The present invention relates to an apparatus for processing a workpiece, said apparatus comprising at least one pressing device having a first tool half and a second tool half that can be moved towards one another, in particular for reshaping and/or for press hardening the workpiece, and at least one setting device for fastening at least one functional element in a setting movement at a setting point to the workpiece, wherein the setting device is arranged at the first tool half or the second tool half. The setting device can be operated independently of the pressing device.
The present invention relates to an apparatus for processing a workpiece, said apparatus comprising at least one pressing device having a first tool half and a second tool half that can be moved towards one another in a pressing movement, in particular for reshaping and/or for press hardening the workpiece, and at least one setting device for fastening at least one functional element in a setting movement at a setting point to the workpiece, wherein the setting device is arranged at the first tool half or the second tool half. The first and/or the second tool half has/have a conditioning device with which the first tool half and/or the second tool half can be thermally influenced, in particular selectively thermally influenced.
A functional element for pressing into a workpiece comprises a functional section; and a fastening section having an abutment surface for introducing a press-in force into the functional element; a workpiece contact surface that is disposed opposite the abutment surface; and a sealing region for receiving displaced material of the workpiece, said sealing region being disposed between the workpiece contact surface and the functional section and forming a contact surface for the displaced material to seal a connection between the functional element and the workpiece.
The present invention relates to a functional element that is configured for attachment to a workpiece, in particular to a sheet metal part, said functional element comprising a head part having a contact surface that contacts the workpiece in a fastened state of the functional element, A fastening section extends in an axial direction from the head part, in particular a rivet section, for fastening the functional element to the workpiece. The fastening section comprises a wall that bounds a hollow space in a peripheral direction and that has a free edge at a side facing away from the head par. The wall has opposing curved sections terminating at the free edge. The free edge lies along a peripheral curved line that has curved peaks and valleys which is endless and continuous. The peaks and valleys may be axially or radially extending, or both.
The present invention relates to a setting device for fastening a functional element to a workpiece, in particular to a sheet metal component. The setting device comprises a die for receiving and supporting the workpiece and a setting head having a setting die which cooperates with the functional element and by which the functional element can be fastened to the workpiece in an axial setting movement. The setting device further comprises a checking device for determining the quality of a connection of the functional element to the workpiece, wherein the checking device has a sensor having a first contact section, which can be electrically conductively contacted with the functional element, and having a second contact section that can be electrically conductively contacted with the workpiece. The present invention furthermore relates to a corresponding method of fastening a functional element to a workpiece.
The present invention relates to an apparatus for fastening a functional element to a section of a workpiece and/or for reshaping a section of the workpiece, comprising a support device for supporting the workpiece, wherein the workpiece section has a first surface facing the support device and a second surface facing away from the support device. The support device comprises a first support element having a first workpiece support surface that is associated with the first surface, and a second support element having a second workpiece support surface that faces away from the first workpiece support surface and that is associated with a supporting surface. The first and the second support element are movable relative to one another by a spreading device such that the first and the second workpiece support surface can be moved away from one another in an axial direction, in particular wherein the axial direction extends perpendicular to the first and/or second workpiece support surface.
A self-punching functional element serves for the fastening to a workpiece and comprises a head part that has an abutment surface for introducing a punching force directed in a punching direction into the functional element and a rivet section that extends away from the head part in the punching direction and that comprises a free end that is provided with a first punching edge for punching a slug out of the workpiece. The functional element further comprises a functional section that has a punching pilot that is radially surrounded by the rivet section, that extends away from the head part in the punching direction, and that has a second punching edge for punching a hole into the slug. The second punching edge is set back with respect to the first punching edge in the punching direction.
The invention relates to a functional element, in particular to a bolt element, for attachment to a workpiece, in particular a sheet metal part. The functional element comprises a fastening section that has a reshaping section that can be reshaped to fasten the functional element to the workpiece, in particular wherein the reshaping section is a rivet section, and a functional section having a functional region, wherein the functional section is connected, in particular is rotationally fixedly connected, to the fastening section. The fastening section and the functional section are produced from different materials.
A self-punching functional element serves for fastening to a workpiece, in particular to a high-strength sheet metal part, and comprises a functional section; and a fastening section that has a contact surface for an engagement of a setting device, an end face remote from the contact surface, and an outer peripheral surface connecting the contact surface and the end face. The end face is radially outwardly bounded by a punching edge for punching a slug out of the workpiece, and at least one projection is provided at the outer peripheral surface adjacent to the contact surface, said projection rising from the outer peripheral surface in a radial direction and extending further outwardly in the radial direction than the punching edge.
A functional element for pressing into a workpiece comprises a functional section; and a fastening section having an abutment surface for introducing a press-in force into the functional element; a workpiece contact surface that is disposed opposite the abutment surface; and a sealing region for receiving displaced material of the workpiece, said sealing region being disposed between the workpiece contact surface and the functional section and forming a contact surface for the displaced material to seal a connection between the functional element and the workpiece, wherein the contact surface has a first part surface, which extends obliquely to an axial direction and which converges viewed in a press-in direction of the functional element, and a second part surface that adjoins the first part surface, that extends obliquely to the axial direction of the functional element, and that diverges viewed in the press-in direction of the functional element.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
37 - Construction and mining; installation and repair services
Goods & Services
Metal fasteners, namely, nuts, press nuts, rivet nuts,
screws, washers, rivets, pins, joinery fittings. Machine tools as well as machines for applying fasteners and
their parts, namely punching heads, setting heads and dies;
conveying and/or sorting machines for fasteners. Maintenance and repair of machines and tools for applying
fasteners in the vehicle body work.
12.
Functional unit with fastening element and fixing element
The invention relates to a functional unit for attachment to a workpiece, in particular to a sheet metal part, said functional unit comprising a fastening element having a fastening section for the rotationally fixed fastening of the functional unit to the workpiece and having a head part that adjoins the fastening section in an axial direction and that has a functional section and a head part support surface remote from the fastening section; and a fixing element that can be fixed to the functional section of the head part of the fastening element by means of a rotational movement and that has a fixing element support surface that, in a state of the fixing element installed at the fastening element, faces the head part support surface such that an attachment part can be clamped between the head part support surface and the fixing element support surface.
An electrical connection element for a form-fitted or welding attachment to a sheet metal part and for receiving a cable connection device is characterized by a metallic ring that surrounds a contact region and that closely contacts the contact region by means of a permanent ring stress produced in the ring. The ring has an outer surface that forms a contact surface for the cable connection device.
H01R 4/64 - Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
H01R 4/30 - Clamped connectionsSpring connections using a screw or nut clamping member
H01R 13/629 - Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure
H01R 43/16 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
The present invention relates to a fastening unit for fastening to a workpiece, said fastening unit comprising a rivet element and a reshaping element coupled to the rivet element and movable relative thereto, wherein the rivet element has a rivet section and the reshaping element has a reshaping section and a support section, which is arranged at a region of the reshaping element remote from the reshaping section, for axially supporting the fastening unit at an abutment. The rivet section and the reshaping section are designed such that, on an axial relative movement between the rivet element and the reshaping element that is produced by an introduction movement, the rivet section cooperates with the reshaping section and can be reshaped by it in a radial direction.
The present invention relates to a self-punching functional element that is adapted for punching into a workpiece, in particular into a sheet metal part. It comprises a head part forming a flange and having a contact surface for contact with the workpiece; and a punching section that extends away from the head part, in particular from the contact surface, and that is in particular arranged coaxially to a central longitudinal axis of the functional element. The punching section has a peripheral punching edge at its free end for punching through the workpiece and surrounds a cavity in a peripheral direction, said cavity having an opening defined by the punching edge. An inner wall of the punching section facing the cavity has at least one elevated slug securing portion projecting radially inwardly into the cavity, in particular wherein the elevated portion has the form of a rib extending in an axial direction.
The invention relates to a self-punching fastening element for connecting a first workpiece to a second workpiece. The fastening element comprises a ring section that surrounds an opening of the fastening element in a peripheral direction and that has a workpiece contact surface, which is bounded at a radial outer side by a punching edge, and a shaft section that is connected to the ring section by means of a coupling section, that is arranged coaxially with the opening, that extends from the side of the ring section remote from the workpiece contact surface, and that has an outer contour that is designed complementary to an inner contour of the opening such that the shaft section can be guided at least partly through the opening after a separation of the connection with the ring section. Furthermore, the invention relates to a component assembly, comprising a self-punching fastening element as well as a first workpiece and possibly a second workpiece, and to a method of manufacturing the component assembly.
The present invention relates to a self-punching functional element that is configured for punching into a workpiece, comprising a head part forming a flange; and a punching section that extends away from the head part, and that has a peripheral punching edge, wherein the head part has a contact surface for contact with the workpiece, said contact surface at least sectionally surrounding the punching section at a radial outer side, and a boundary section that at least sectionally bounds the contact surface at the radial outer side and that extends away from the contact surface in the same direction as the punching section. The invention further relates to a component assembly comprising a self-punching functional element, and a workpiece.
A method of connecting a first component and a second component with the aid of an auxiliary joining part, wherein the auxiliary joining part is formed from a pin and a plate. A position of intended fracture is present between the plate and the pin. The first component, the second component and the auxiliary joining part are brought into a stacked arrangement such that the plate contacts the first component and the pin projects away from the side of the plate remote from the first component. A force is exerted on the pin of the auxiliary joining part in the direction towards the stacked components which leads to a fracture at a position of intended fracture and the pin is used in order to pierce slugs from the stacked components. The end of the pin which is pressed through the second component, and/or a washer which is optionally provided there, is deformed in order to provide a form-locked connection to the second component or to a washer which is provided there. Furthermore, an auxiliary joining part is claimed.
B21J 15/14 - Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
F16B 17/00 - Fastening means without screw-thread for connecting constructional elements or machine parts by a part of or on one member entering a hole in the other
F16B 5/04 - Joining sheets or plates to one another or to strips or bars parallel to them by means of riveting
The present invention relates to a fastening unit for fastening to a workpiece, comprising a rivet element and a reshaping element coupled to the rivet element and movable relative thereto, the rivet element having a rivet portion and the reshaping element having a reshaping portion and a support portion arranged on a region of the reshaping element facing away from the reshaping portion for axially supporting the fastening unit on a stop. The rivet portion and the reshaping portion are designed in such a way that, during an axial relative movement produced between the rivet element and the reshaping element by an insertion movement, the rivet portion interacts with the reshaping portion and is reshaped thereby in a radial direction.
B21K 25/00 - Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components
F16B 37/06 - Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
The invention relates to a joining element comprising a shaft to be placed into a component; a head provided at a first end of the shaft; and a punching element attached in a losable manner to a second end of the shaft remote from the head.
An apparatus and a method for attaching functional elements, e.g. composed of metal, to a component, in particular to a component comprising fiber-reinforced plastic, while using a setting head, wherein the functional element has a contact surface provided with adhesive and wherein the adhesive can be supplied to the setting head in individual depots adapted to the functional elements on a carrier band is characterized in that the functional elements are taken over by a guide device and are each pressable to an adhesive depot and are subsequently guidable with the adhering adhesive depots and separately from the carrier band in the setting head to the setting position in front of a setting die.
B29C 65/48 - Joining of preformed partsApparatus therefor using adhesives
F16B 27/00 - Bolts, screws, or nuts formed in integral series but easily separable, particularly for use in automatic machines
B23P 19/06 - Screw or nut setting or loosening machines
B29C 65/78 - Means for handling the parts to be joined, e.g. for making containers or hollow articles
B29C 65/00 - Joining of preformed partsApparatus therefor
F16B 11/00 - Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
B32B 7/05 - Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
B29C 53/62 - Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis
B29C 53/80 - Component parts, details or accessoriesAuxiliary operations
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
23.
Self-piercing rivet element a component assembly comprising the rivet element and a component a method for the manufacture of the component assembly and a die button
PROFIL Verbindungstechnik Gmbh & Co., KG (Germany)
Inventor
Mahlme, Amer
Abstract
A self-piercing rivet element is provided with a body part having a thread cylinder and with a hollow rivet section to be pressed into an as yet unpierced component. In this arrangement, the rivet section is designed to be at least regionally dilatable by means of a die button and tapers in the direction of the central longitudinal axis and away from the body part. The hollow rivet section has, in the region of the transition to the body part, a diameter, which is larger than the outer diameter of the thread cylinder. Furthermore, the rivet section has a closed peripheral wall and an opening at its free end which corresponds at least substantially in diameter to the core diameter of the thread cylinder. Furthermore a component assembly, a method for the manufacture of the component assembly and the die button are claimed.
F16B 5/04 - Joining sheets or plates to one another or to strips or bars parallel to them by means of riveting
24.
Component assembly comprising a component and an element having a head part and a collar arranged at one side of the head part as well as manufacturing methods
A component assembly is described which consists of a component and an element attached to the component and formed as an alignment element. The element has a head part, a component contact surface provided at an end face of the head part and a collar arranged inside the component contact surface and projecting away from it. The collar has a cross-sectional shape which is non-circular. The collar is inserted with clearance into an aperture of the component formed complimentary to the cross-sectional shape of the collar and has outer surfaces which converge in the direction of the said end face of the head part and with respect to the central longitudinal axis of the element and form an acute angle with the latter. The marginal region of the aperture of the component adjacent to the component contact surface extends into recesses formed between the collar and the end face of the head part but does not reach the base of the recesses, with a free space arising which ensures a lateral alignment movement of the element relative to the component. An axial separation of the element from the component is prevented as a result of material overlap of the component material with the collar within the recesses. Elements and methods for manufacture of the component assembly are also claimed.
A method of connecting a first component and a second component with the aid of an auxiliary joining part, wherein the auxiliary joining part is formed from a pin and a plate. A position of intended fracture is present between the plate and the pin. The first component, the second component and the auxiliary joining part are brought into a stacked arrangement such that the plate contacts the first component and the pin projects away from the side of the plate remote from the first component. A force is exerted on the pin of the auxiliary joining part in the direction towards the stacked components which leads to a fracture at a position of intended fracture and the pin is used in order to pierce slugs from the stacked components. The end of the pin which is pressed through the second component, and/or a washer which is optionally provided there, is deformed in order to provide a form-locked connection to the second component or to a washer which is provided there. Furthermore, an auxiliary joining part is claimed.
B21J 15/14 - Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
F16B 17/00 - Fastening means without screw-thread for connecting constructional elements or machine parts by a part of or on one member entering a hole in the other
F16B 5/04 - Joining sheets or plates to one another or to strips or bars parallel to them by means of riveting
A method of manufacturing a hole in a component consisting of a composite material, such as a fiber or fabric reinforced plastic part, wherein the component, having first and second oppositely disposed sides, is placed with its first side on a support having an iris diaphragm. A tip which diverges in the axial direction is pressed from the second side of the component through the component, which optionally has a pre-piercing, for formation of the hole or for enlargement of the pre-piercing. The iris diaphragm has a smaller starting opening which receives a narrower region of the tip and opens into a larger opening with increasing penetration of the component by the tip, the component is supported during hole formation over an as large as possible area from the first side. A piercing aid in the form of an iris diaphragm or a die button is likewise claimed.
Hole punch and also a method for the piercing of a workpiece which is present as a foam material and/or as a sandwich material and also a method for the manufacture of the hole punch
A hole punch and a method for piercing a workpiece wherein a hole punch includes a sheet metal part and a piercing body attached thereto which carries out the piercing function and which is provided with a thread cylinder or can be provided with a thread cylinder, for example by pressing a threaded pin into a centrally arranged passage of the hole punch, wherein the hole punch can also be formed in one piece as a piercing body with a sheet metal-like flange. Furthermore a method is claimed for the manufacture of the hole punch.
F16B 27/00 - Bolts, screws, or nuts formed in integral series but easily separable, particularly for use in automatic machines
28.
Hole punch and also a method for the piercing of a workpiece which is present as a foam material and/or as a sandwich material and also a method for the manufacture of the hole punch
A hole punch and a method for piercing a workpiece wherein a hole punch includes a sheet metal part and a piercing body attached thereto which carries out the piercing function and which is provided with a thread cylinder or can be provided with a thread cylinder, for example by pressing a threaded pin into a centrally arranged passage of the hole punch, wherein the hole punch can also be formed in one piece as a piercing body with a sheet metal-like flange. Furthermore a method is claimed for the manufacture of the hole punch.
A component assembly having a stacked arrangement comprising an upper and lower sheet part, of which at least one is formed as an organic sheet composite part, with an auxiliary joining part and with at least one apertured metal washer, wherein the auxiliary joining part has a functional section having an undercut at one end and also has a piercing section at the other end having a lateral shaft surface and a shaft recess formed therein, wherein the metal washer contacts a surface of the organic sheet composite part, with the functional section or the piercing section extending through an aperture of the metal washer and wherein washer material has been driven into the undercut or into the at least one shaft recess.
A functional element having a section that has a flange, that projects away from a side of the flange, and is adapted for an aperture-free punching into a sheet metal part and having a shaft part that projects away from a side of the flange opposite the first side, that satisfies a function and that is provided with a longitudinal axis. The flange and the section are arranged at least substantially coaxially to the shaft part. The section is formed as a hollow cylinder that has notches extending in parallel with the longitudinal direction at at least one of its outer jacket surface and its inner jacket surface. The section has a diverging frustoconical shape that runs out at least substantially at the free end at the inner side of the section in the region of its free end and that serves for the widening of the section on the punching in the sheet metal part. A component assembly and a method of producing the latter is also claimed.
F16B 39/08 - Locking of screws, bolts, or nuts in which the locking takes place after screwing down with a cap interacting with the nut, connected to the bolt by a pin or cotter-pin
A die button for the punching in and fastening of a fastener element having a piercing section to a planar workpiece, in particular a sheet metal part. The die button includes a jacket. Also included is a die plunger movably arranged in the jacket. Further included is a biasing device for pressing the plunger against the workpiece when the workpiece is supported on the jacket with a pressing force made available by the biasing device and selected such that the die plunger first moves when a slug has been detached from the workpiece by the piercing section of the fastener element.
B23P 19/06 - Screw or nut setting or loosening machines
B21D 39/03 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of sheet metal otherwise than by folding
B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
F16B 37/06 - Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
An apparatus and a method are provided for attaching functional elements of metal to a component, in particular to a component comprising fiber reinforced plastic, using a setting head, wherein the functional element has a contact surface (12) provided with adhesive. In this respect, the adhesive within the setting head is applied to the functional element before the attachment of the functional element to the component.
A method of fastening a rivet element to a workpiece, which has a preshaped hole provided for a reception of a rivet section of the rivet element and which is made planar at least in the region around the preshaped hole. Prior to the fastening process, the workpiece is positioned at a well-defined spacing from a contact surface of a die by at least one movably and/or elastically configured spacer of the die for a reshaping of the rivet section, so that a gap is formed between a wall of the hole and a punch of the die, which is provided for the reshaping of the rivet section. The rivet section is introduced into the gap in a course of the fastening process and is reshaped by the punch in order to engage behind the workpiece in the region of the hole.
The invention relates to a method of fastening a rivet element to a workpiece which has a preshaped hole provided for the reception of a rivet section of the rivet element and which is made planar at least in the region around the preshaped hole. Prior to the fastening process, the workpiece is positioned at a well-defined spacing from a contact surface of a die by means of at least one spacer which is fixedly connected to the die for the reshaping of the rivet section during the fastening process, so that a gap is formed between a wall of the hole and a punch of the die, which is provided for the reshaping of the rivet section. The rivet section is introduced into the gap in the course of the fastening process and is reshaped by the punch in order to engage behind the workpiece in the region of the hole.
A finished component assembly includes a sheet metal part, a sheet metal element and a rivet element. The rivet element is provided with a head part of larger diameter, which serves as a thread carrier and which forms a sheet metal contact surface, as well as with a hollow cylindrical rivet section of smaller diameter. The rivet section projects from the head part at the side of the sheet metal contact surface and extends through an aperture and a collar of the sheet metal part as well as through a hole of the sheet metal element and is shaped into an at least L-shaped, preferably U-shaped, rivet bead at the side of the sheet metal element remote from the sheet metal part, with the sheet metal contact surface contacting the side of the sheet metal part remote from the sheet metal element.
A method for the manufacture of a hole in a component consisting of a composite material, such as a fiber reinforced plastic part or a fabric reinforced plastic part, which is characterized in that the component having first and second oppositely disposed sides is placed with its first side on a support having an iris diaphragm, in that a tip which diverges in the axial direction is pressed coming from the second side of the component through the component, which optionally has a pre-piercing, for the formation of the hole or for the enlargement of the pre-piercing and in that the iris diaphragm has a smaller starting opening which receives a narrower region of the tip and opens into a larger opening with increasing penetration of the component by the tip, whereby the component is supported during the hole formation over an as large as possible area from the first side. A piercing aid in the form of an iris diaphragm or a corresponding die button is likewise claimed.
A piercing nut element having a strength in the range between 700 and 900 MPa which is designed to be pressed into the sheet metal part. The nut element is characterized in that the self-piercing attachment of the nut element into a sheet metal part of higher strength, or into a sheet metal part with a thickness greater than 3.5 mm, the nut element is designed in such a way that the piercing section has a peripheral extending groove below the sheet metal contact surface and in that the piercing section has a piercing edge at its free end face with the piercing edge being spaced from the boundary of the groove adjacent to the piercing section by a peripheral surface having an axial height which corresponds to at least 30% and preferably to at least 50% of the sheet metal thickness, wherein the radial wall thickness of the piercing section in the region of its free end face from the outer side of the piercing section up to the nominal diameter of the thread corresponds to a thickness between 1.2 to 1.8 and preferably 1.5 times the intended sheet metal thickness.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
42 - Scientific, technological and industrial services, research and design
Goods & Services
Fastener elements of metal, namely, nuts, studs, pierce nuts, rivet nuts, press-in nuts, earthing nuts, pierce studs, rivet studs, press-in studs, rivets, pins, earthing studs and oil pan nuts; metal panels, namely metal panels that include the foregoing fasteners Power-operated machines and machine tools for the treatment of materials and for manufacturing, namely, for punching holes in sheet metal parts and for inserting fasteners into holes and sheet metal parts and connecting them to sheet metal parts by a riveting action, either by single stroke operation or by multiple hammering operations; machine presses; robot-operated drilling machines and parts therefor in the form of tongs for installation on jigs or fixtures for inserting fasteners, setting heads, punching heads and riveting heads for use in machine presses; robotic power drivers for use as fasteners, namely, hammer drivers; metal working machines; machines for working plastic; machines for the insertion and fixing of fasteners and fastener elements, setting heads, piercing heads and machines for supplying fastener elements to other machines and presses for the insertion and fixing of fasteners and fastener elements; machines for sorting metal fasteners, feeding units for metal fasteners, progressive tooling, cold heading tools, dies, riveting dies and piercing dies and removing non-conforming materials; and machine parts in the nature of plungers and rams for the aforementioned machines and machine tools Construction drafting and technical consultancy for machines and tools, namely, consulting in the field of designing machines and tools for attaching connection elements, for the construction and manufacture of shaped pieces, in particular parts of sheet metal, original, solid or tension formed parts, mainly for the sheet metalworking industry
39.
Fastener element for attachment to a component, component assembly including the fastener element and method for the manufacture of the component assembly
A fastener element for attachment to a component, wherein the fastener element has a contact surface which contacts the component in the installed state. Furthermore, the fastener element has a mounting recess which faces the component in the dismantled state. The mounting recess is bounded by at least one sidewall and by a base section. The sidewall is, at least regionally, provided with at least one undercut which is effective in the axial direction of the fastener element. The base section is formed free of any aperture.
A method for the connection of sheet parts, of which at least one is formed as an organic sheet part, with the aid of an auxiliary joining part and an apertured metal washer, the auxiliary joining part having a functional section with an undercut and a piercing section with a shaft surface and a shaft recess. The sheet parts and the metal washer are brought into a stacked arrangement in such a way that the metal washer contacts the organic sheet part. The piercing section slugs are punched out of the stacked sheet parts. The auxiliary joining part is joined to the metal washer. The other of the undercut or of the shaft recess is brought into a holding engagement with a sheet part not formed as an organic sheet metal part or with a further metal washer.
Punch rivet and also a method and apparatuses for attachment of individual components to one another of which at least one component is formed by a workpiece of composite material
The invention relates to a rivet element (10) to be fastened to a component (51), in particular to a fiber composite component. Said rivet element has a flange portion (21), which, when fastened, rests against the component, and a rivet portion (11). The rivet portion comprises a tip (12a), converging away from the flange portion, a flared end portion (12b) being provided at the end of the tip which is remote from the flange portion.
Hole punch and also a method for the piercing of a workpiece which is present as a foam material and/or as a sandwich material and also a method for the manufacture of the hole punch
A hole punch and a method for piercing a workpiece wherein a hole punch includes a sheet metal part and a piercing body attached thereto which carries out the piercing function and which is provided with a thread cylinder or can be provided with a thread cylinder, for example by pressing a threaded pin into a centrally arranged passage of the hole punch, wherein the hole punch can also be formed in one piece as a piercing body with a sheet metal-like flange. Furthermore a method is claimed for the manufacture of the hole punch.
Punch rivet and method for the attachment of individual components to one another of which at least one component is formed by a workpiece of composite material
A punch rivet for fastening individual components to one another of which at least one component is formed by a workpiece, with the punch rivet having a flange of larger diameter, a rivet section of smaller diameter and a ring-like component contact surface at the side of the flange adjacent the rivet section and surrounding the rivet section, with the rivet section having at its free end a ring surface for the piercing of the two workpieces which stands at least substantially perpendicular to the central longitudinal axis of the punch rivet and an inner concave ring surface which forms the transition from the end of the punch rivet into the hollow internal space of the rivet section. Ribs extending parallel to the longitudinal axis are provided at the generally cylindrical outer surface of the rivet section and extend up to the free end face of the rivet section.
The present invention relates to a method for the punching in and attachment of the fastener element to a planar workpiece, in particular to a sheet metal part. During the punching in of the fastener element in the workpiece a movably arranged die plunger of the die button is pressed with a predetermined pressing force against the workpiece. The pressing force is adapted such that the die plunger first moves once a slug has been cut out of the workpiece by a piercing section of the fastener element.
B21D 39/03 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of sheet metal otherwise than by folding
B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
B23P 19/06 - Screw or nut setting or loosening machines
F16B 37/06 - Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
46.
Functional element for attachment to a plastic component and a component assembly
PROFIL VERBINDUNGSTECHNIK GMBH & CO., KG (Germany)
Inventor
Diehl, Oliver
Humpert, Richard
Abstract
A functional element of metal having a flange of larger diameter from an attachment surface and a centering section arranged inside the attachment surface and extending away from the flange, characterized in that an adhesive is arranged around the cylindrical section and adjacent to the attachment surface.
A hollow element such as a hollow rivet or a nut element for attachment to a component consisting of a composite material such as a fiber reinforced plastic part or a fabric reinforced plastic part is presented. The element has a flange part and a shaft part extending away from the flange part and/or a rivet section, wherein the rivet section, is present, can also be formed at the free end of the shaft part, with the a hollow element furthermore having a central passage, which is optionally provided with a thread cylinder. The hollow element is used in combination with an auxiliary tip which is either inserted from the flange side of the element through the passage, or from the side of the free end of the shaft part of the rivet section into the passage, such that a conically converging region of the auxiliary tip projects from the free end of the shaft part or of the rivet section.
A functional element in the form of a press-in element for attachment to a sheet metal part is disclosed which has a head part and a shaft part, the head part has a ring-like sheet metal contact surface within which is a ring-like axial recess which surrounds the shaft part at the transition of the head part into the shaft part. The shaft part has a plurality of peripherally distributed radial recesses extending in the axial direction between which are axially extending and radially projecting noses having raised material portions which form undercuts with the head part in the region of the ring-like recess, the undercuts being present at the positions of the radial recesses at their axial ends adjacent to the head part. Radially extending ribs providing security against rotation, or other anti-rotation security features, are provided in the base region of the ring-like recess.
Profil Verbindungstechnik GmbH & Co., KG (Germany)
Inventor
Babej, Jiri
Humpert, Richard
Abstract
The invention relates to a rivet nut (10) with a base part (12) and a cylindrical rivet section (14), the base part having a central threaded cylinder (16), an annular contact surface (18) that is coaxial to the threaded cylinder in a plane (20) perpendicular to the longitudinal axis (22) of the threaded cylinder, and that has an axially aligned annular groove (24), said groove being arranged radially inside the annular contact surface and radially outside the cylindrical rivet section and said groove blending on the radially inner side, into the outer surface of the cylindrical rivet section, and anti-rotation ribs (42) being provided in the area of the annular groove.
F16B 39/28 - Locking of screws, bolts, or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
PROFIL VERBINDUNGSTECHNIK GMBH & CO., KG. (Germany)
Inventor
Ellis, Adrian
Humpert, Richard
Abstract
A functional element having a head part with a flange and a section projecting away from a first side of the flange which is punching into a sheet metal part without piercing the sheet metal part and also having a shaft part with a longitudinal axis which satisfies a function and which projects away from the side from the flange opposite to the first side. The flange and the section are arranged at least substantially coaxial to the shaft part, with the section, which is formed as a hollow cylinder having ribs extending parallel to the longitudinal direction at its outer jacket surface. At the inner side the section has a diverging truncated cone shape which substantially runs out at the free end, with the truncated cone shape serving for the dilation of the section during punching into the sheet metal part. A component assembly and a method of manufacturing it are also claimed.
B32B 3/06 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers togetherLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for attaching the product to another member, e.g. to a support
51.
Press-in element, pre-installation component, component assembly and method
The present invention relates, amongst other things, to a punch-in element having a hollow head part of larger transverse dimension and a hollow shaft part of smaller transverse dimension which projects away from one side of the head part, wherein a ring-like sheet metal contact surface is formed at the said side of the head part and surrounds the shaft part, with a plurality of ribs at the outer periphery of the shaft part which extend in the axial direction along the shaft part from the sheet metal contact surface to close to the free end of the shaft part. A pre-installation component, a component assembly and a method is also claimed.
A method for the manufacture of a hole in a component consisting of a composite material, such as a fiber reinforced plastic part or a fabric reinforced plastic part, which is characterized in that the component having first and second oppositely disposed sides is placed with its first side on a support having an iris diaphragm, in that a tip which diverges in the axial direction is pressed coming from the second side of the component through the component, which optionally has a pre-piercing, for the formation of the hole or for the enlargement of the pre-piercing and in that the iris diaphragm has a smaller starting opening which receives a narrower region of the tip and opens into a larger opening with increasing penetration of the component by the tip, whereby the component is supported during the hole formation over an as large as possible area from the first side. A piercing aid in the form of an iris diaphragm or a corresponding die button is likewise claimed.
PROFIL VERBINDUNGSTECHNIK GMBH & CO., KG (Germany)
Inventor
Diehl, Oliver
Humpert, Richard
Lembach, Andreas
Sowa, Christian
Abstract
A method for the attachment of a bolt element to a component is described. The bolt element has a head part having a contact surface and a shaft part extending away from the head part, the shaft part having a tip provided at its end remote from the head part, the tip merging into a thread cylinder, optionally via a cylindrical region. The bolt element is pressed with the tip to the fore against the component and the tip is pressed through the component until the side of the component adjacent the head part of the bolt element enters to contact the thread cylinder and the tip thereby generates a hole in the component. The bolt element is subsequently turned so that the thread of the thread cylinder forms an internal thread in the wall of the hole. A bolt element is also claimed.
F16B 25/10 - Screws performing an additional function to thread-forming, e.g. drill screws
F16B 37/06 - Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
F16B 19/14 - Bolts or the like for shooting into concrete constructions, metal walls, or the like by means of detonation-operated nailing tools
B23P 19/00 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes
B23P 19/06 - Screw or nut setting or loosening machines
54.
Combination of functional element and pressure plate
The invention relates to a combination of a functional element having a flange section and a connection section, in particular a rivet element, and a pressure plate, in particular a pressure plate having an opening, for attachment to a component, in particular to a panel of composite material or sheet metal, wherein the functional element and the pressure plate are formed to be arranged on opposite sides of a hole of the component and are to be connected together via the connection section which extends through the hole, in particular by riveting, in order to clamp a region of the component surrounding the hole between the flange section and the pressure plate and wherein the pressure side of the pressure plate confronting the component in the attached state is provided with a means providing security against rotation.
A method for the attachment of a hollow element such as a hollow rivet or a nut element to a component consisting of a composite material, with the element having a flange part and a shaft part or rivet section extending away from the flange part, wherein a rivet section can also be formed at the free end of a shaft part. The hollow element has a central passage which is optionally provided with a thread cylinder. In the method an auxiliary tip is either passed from the flange side of the element remote from the shaft part and/or the rivet section through the passage or is introduced from the side of the free end of the shaft part and/or of the rivet section into the passage such that a conically converging region of the auxiliary tip projects from the free end of the shaft part or of the rivet section. The hollow element is pressed with the tip to the fore against the component and the tip is pressed through the component until the component comes into engagement with the side of the flange part adjacent to it and the tip has produced a hole in the component.
B23P 19/00 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes
F16B 37/06 - Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
A hollow element such as a hollow rivet or a nut element for attachment to a component consisting of a composite material such as a fiber reinforced plastic part or a fabric reinforced plastic part is presented. The element has a flange part and a shaft part extending away from the flange part and/or a rivet section, wherein the rivet section, is present, can also be formed at the free end of the shaft part, with the a hollow element furthermore having a central passage, which is optionally provided with a thread cylinder. The hollow element is used in combination with an auxiliary tip which is either inserted from the flange side of the element through the passage, or from the side of the free end of the shaft part of the rivet section into the passage, such that a conically converging region of the auxiliary tip projects from the free end of the shaft part or of the rivet section.
A spacer element which is designed at both ends for the attachment to a sheet metal part or to a hollow section for the formation of a component assembly and which optionally has a fastener section with an internal thread or external thread for the attachment of a component to the component assembly by means of a screw or a nut, is characterized in that the spacer element is not deformable or at least substantially not deformable on attachment to the sheet metal part or to the hollow section and in that the spacer element is provided at both end faces with respective undercuts for the form-fitted reception of sheet metal material or of the wall material, whereby the spacer element is secured to the sheet metal part or to the hollow section and preferably also secured against, rotation. Various variants, component assemblies and methods are likewise described and claimed.
The invention relates to a rivet element, in particular for attachment to components of fiber composite materials, having a rivet section which is formed at least regionally as a spike which tapers in the direction towards a tip and which can be dilated by means of a die button.
F16B 13/04 - Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
B29C 65/00 - Joining of preformed partsApparatus therefor
59.
Functional element having features providing security against rotation and also a component assembly consisting of the functional element and a sheet metal part
A functional element having a shaft part and a head part has at least one feature providing security against rotation which is provided in the region of a sheet metal contact surface of the functional element. The functional element is characterized in that each feature providing security against rotation comprises a recess provided in the sheet metal contact surface of the functional element with a raised portion disposed at least substantially centrally in the recess or with a raised portion surrounding the recess. With this design the functional element can be straightforwardly be inserted in a thick sheet metal part or in a sheet metal part of higher strength and thus a security against rotation of high quality can be achieved.
B32B 3/30 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
F16B 17/00 - Fastening means without screw-thread for connecting constructional elements or machine parts by a part of or on one member entering a hole in the other
F16B 19/00 - Bolts without screw-threadPins, including deformable elementsRivets
F16B 19/04 - RivetsSpigots or the like fastened by riveting
F16B 21/00 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread
F16B 39/282 - Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
F16B 37/06 - Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
F16B 19/10 - Hollow rivetsMulti-part rivets fastened by expanding mechanically
60.
Component assembly comprising a sheet metal part and a nut element attached thereto and also a method for the manufacture of such a component assembly
PROFIL VERBINDUNGSTECHNIK GMBH & CO., KG (Germany)
Inventor
Diehl, Oliver
Vieth, Michael
Abstract
A component assembly comprising a sheet metal part and a nut element attached thereto, the nut element being arranged in an opening of the sheet metal part and being adapted to receive a bolt element having a shaft part with a thread and a head part of larger radial dimensions is wherein the sheet metal part has at least one hole adjacent to the nut element which is not covered over by the nut element but can be covered over by the head part of the screwed-in bolt element. A component assembly of this kind is in particular suitable for an oil pan since the oil can flow through the holes. A method is also claimed.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
37 - Construction and mining; installation and repair services
Goods & Services
Connectors of metal, in particular nuts, punch rivets, punch
bolts, punch riveting nuts, screws, punch riveting bolts,
washers, rivets, pins, jointing parts, auxiliary jointing
parts. Machine tools and machines for attaching connectors, and
parts therefor, punching heads, die heads and die plates,
conveying and/or sorting machines for connectors. Maintenance and repair of machines and tools for attaching
connectors.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
37 - Construction and mining; installation and repair services
Goods & Services
Connectors of metal, in particular nuts, punch rivets, punch
bolts, punch riveting nuts, screws, punch riveting bolts,
washers, rivets, pins, jointing parts, auxiliary jointing
parts. Machine tools and machines for attaching connectors, and
parts therefor, punching heads, die heads and die plates,
conveying and/or sorting machines for connectors. Maintenance and repair of machines and tools for attaching
connectors.
63.
Component assembly consisting of a fastener element and a sheet metal part and also a method for manufacturing such a component assembly
A component assembly comprises a sheet metal and a fastener element. A flange has a larger diameter and a shaft of smaller diameter extends away from the flange and merges at its end remote from the flange into a cylindrical rivet section. The fastener element is used with sheet metals with thicknesses in the range of 3 mm and larger. With thin sheet metal parts the sheet metal has a smooth pierced cylindrical opening with a diameter corresponding to the diameter of the shaft. The cylindrical rivet section is reshaped to a rivet bead contacting the sheet metal underside. Medium thickness sheet metal parts have a stepped hole with the hole region of larger diameter receiving the rivet bead. For thick sheet metal parts the sheet metal has a conical pierced hole and the cylindrical rivet section is reshaped to a conical rivet bead wedged in the conically diverging hole.
The invention relates to a functional element in the form of a press-in element for attachment to a sheet metal part, wherein the functional element has a head part and a shaft part, the head part has a ring-shaped sheet metal contact surface at the side adjacent the shaft part and a ring-shaped axial recess inside this ring-shaped sheet metal contact surface and surrounding the shaft part at the transition from the head part into the shaft part. In accordance with the invention the shaft part has a plurality of circumferentially distributed radial recesses extending in the axial direction and between these noses which likewise extend axially and project radially, wherein raised material portions are present at the positions of the radial recesses at their axial ends adjacent the head part and form undercuts with the head part in the region of the ring-shaped recess.
A guide and setting device for elements, in particular fastener elements comprising a hollow guide piece, a plunger axially displaceably arranged within the guide piece and holding members which are displaceably guided perpendicular to the plunger and biased in the direction towards the longitudinal axis of the plunger and/or of the guide piece. In a retracted loading position of the plunger one element can be inserted between the holding members and the free end of the plunger. The holding members can be opened as a result of the axial advanced movement of the plunger and the respective element moved in the axial direction past the holding members. Further holding members following the first named holding members are provided which hold the element during a setting stroke. Furthermore, latching elements are provided which prevent opening of the further holding members during the setting stroke but after the completion of the setting stroke allow the opening of the further holding members to release the element. A method is also claimed.
Profil Verbindungstechnik GmbH & Co., KG (Germany)
Inventor
Babej, Jiri
Abstract
Described is a press-in element for pressing into a non-pierced or pre-pierced component. The press-in element has a head part having a ring surface confronting the component and a neck part which projects away from the ring surface, i.e. from the component contact side. The head part further has a ring-like projection surrounding the neck part with a radial spacing and projecting away from the ring surface. The neck part has a radially outwardly projecting ring bead, which can be formed as a continuous ring bead or as a ring bead interrupted at points. The apex of the ring bead has an axial spacing from the ring surface which is larger than the axial spacing of the apex of the ring-like projection from the ring surface, which lies radially within this projection and together with it and the ring bead forms a pocket which receives material of the component.
A functional element of metal having a flange of larger diameter from an attachment surface and a centering section arranged inside the attachment surface and extending away from the flange, characterized in that an adhesive is arranged around the cylindrical section and adjacent to the attachment surface.
A functional element of metal having a flange of larger diameter forming an attachment surface and having a centering section arranged inside the attachment surface and extending away from the flange, is characterized in that an adhesive which hardens under pressure is arranged around the centering section and adjacent to the attachment surface.
PROFIL VERBINDUNGSTECHNIK GMBH & CO., KG (Germany)
Inventor
Babej, Jiri
Sowa, Christian
Humpert, Richard
Vieth, Michael
Abstract
A self-piercing nut element having a strength in the range between 700 and 900 MPa is designed for press fitting into a sheet metal part, for the self-piercing attachment of the nut element into a higher strength sheet metal part, such that the piercing section merges directly into the sheet metal contact surface and such that the piercing section has a piercing edge at its free end face, with the piercing edge being spaced apart from the sheet metal contact surface by a peripheral surface having an axial height which corresponds to at least 30%, and preferably at least 50%, of the sheet metal thickness. The radial wall thickness of the piercing section in the region of its free end face from the outer side up to the nominal diameter of the thread corresponds to a thickness between 1.2 times, to 1.8 times, the provided sheet metal thickness.
A piercing nut element having a strength in the range between 700 and 900 MPa which is designed to be pressed into the sheet metal part. The nut element is characterized in that the self-piercing attachment of the nut element into a sheet metal part of higher strength, or into a sheet metal part with a thickness greater than 3.5 mm, the nut element is designed in such a way that the piercing section has a peripheral extending groove below the sheet metal contact surface and in that the piercing section has a piercing edge at its free end face with the piercing edge being spaced from the boundary of the groove adjacent to the piercing section by a peripheral surface having an axial height which corresponds to at least 30% and preferably to at least 50% of the sheet metal thickness, wherein the radial wall thickness of the piercing section in the region of its free end face from the outer side of the piercing section up to the nominal diameter of the thread corresponds to a thickness between 1.2 to 1.8 and preferably 1.5 times the intended sheet metal thickness.
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
The bringing together, for the benefit of others, of a variety of goods, enabling customers to conveniently view and purchase those goods in the field of metal fasteners Maintenance and repair of industrial machines and tools used in attaching fasteners to other products Manufacture of automotive parts, sheet metal products and metal fasteners to the order and specification of others; Forging of metal goods to the order and specification of others; Sheet metal stamping services; Sheet metal treatment services; Sheet metal fabrication and finishing services; Material treatment in the nature of attaching metal fasteners to sheet metal parts by mechanical joining for others Advisory and consultancy services, namely, design of sheet metal processing machines and tools for others all for use in the attachment of fastener elements, Design of machines and tools for others for use in attaching fastener elements to sheet metal parts
74.
Press-in element, component assembly consisting of a press-in element and a sheet metal part and also methods for the manufacture and attachment of a self-piercing press-in nut
A self-piercing hollow press-in element, in particular a nut element for attachment to a sheet metal part, wherein the press-in element has a flange part of a larger diameter and a shaft part of a smaller diameter. The shaft part extends away from the flange part and has a circular piercing edge at its end face remote from the flange part. The side of the flange part facing the shaft part forms a sheet metal contact surface in ring shape and features providing security against rotation are provided at the shaft part which extend approximately from the level of the sheet metal contact surface over a part of the length of the shaft part along the latter. A ring-like recess is provided radially within the ring-shaped sheet metal contact surface in the flange part and excess material for the shaft part which arises during manufacture of the ribs providing security against rotation is located within the ring recess. Further designs of the press-in element and also of a component assembly and methods for the manufacture of the press-in element and of the component assembly are described.
Profil Verbindungstechnik GmbH & Co., KG (Germany)
Inventor
Diehl, Oliver
Humpert, Richard
Abstract
A method and an apparatus for the attachment of a fastener element to a component, for example a sheet metal part, wherein the fastener element is a nut element and has an axis of symmetry, a head part having a contact surface which enters into contact with the component, a threaded bore and also at least one undercut which receives the material of the component, and wherein the material of the component is pressed against the contact surface and into the undercut by means of a first tool having a die button shape matching the design of the nut element. A local force is exerted on the head part of the nut element or onto the tool to the side of the axis of symmetry and is moved circularly around the axis of symmetry while simultaneously carrying out a relative feed movement between the tool and the nut element between which the component is arranged in order to press the material of the component into the undercut.
Profil Verbindungstechnik GmbH & Co., KG (Germany)
Inventor
Babej, Jiri
Abstract
A method for the manufacture of a component assembly comprising a sheet metal part and a functional element attached to it by a riveting process or by a riveting and piercing process or by a press-in process, wherein the sheet metal part is provided with an imprint, is wherein the imprint is produced prior to attachment of the functional element and consists of a sequence of regions which are raised and recessed relative to one another and wherein, during the attachment of the functional element this is pressed against the sheet metal part in such a way that the imprint of the sheet metal part leads to a complementary shaping of the functional element in the region of the functional element which comes into contact with the imprint. A sheet metal part and a functional element are also claimed.
A component assembly comprising a sheet metal part and a fastener element which has a flange part of larger diameter and a shaft part of smaller diameter which extends away from the flange part and merges at its end remote from the flange part into a cylindrical rivet section is characterized in that the fastener element is designed for use with sheet metal parts with thicknesses in the range of 3 mm and larger. With relatively thin sheet metal parts the sheet metal part has a smooth pierced cylindrical opening which has a diameter corresponding to the diameter of the shaft part, with the cylindrical rivet section being reshaped to a rivet bead which contacts the underside of the sheet metal part. With sheet metal parts of medium thickness the sheet metal part has a stepped hole with the hole region of larger diameter receiving the rivet bead. For relatively thick sheet metal parts the sheet metal part has a conical pierced hole and the cylindrical rivet section is reshaped to a conical rivet bead which is wedged in the conically diverging hole.
Profil Verbindungstechnik GmbH & Co., KG (Germany)
Inventor
Babej, Jiri
Humpert, Richard
Abstract
The invention relates to a rivet nut (10) with a base part (12) and a cylindrical rivet section (14), the base part having a central threaded cylinder (16), an annular contact surface (18) that is coaxial to the threaded cylinder in a plane (20) perpendicular to the longitudinal axis (22) of the threaded cylinder, and that has an axially aligned annular groove (24), said groove being arranged radially inside the annular contact surface and radially outside the cylindrical rivet section and said groove blending, on the radially inner side, into the outer surface of the cylindrical rivet section, and antirotation ribs (42) being provided in the area of the annular groove. The invention is characterized in that the annular groove, when seen in an axial cross-sectional plane, has a U-shaped cross-section with a radially outer lateral wall (30) which is relatively steep and which has, at the steepest point (33), an inclination to the center longitudinal axis of the rivet nut in the range of approximately 45° to approximately −20°, preferably of approximately 30° to approximately 0°. The volume of the annular groove is chosen in such a manner that across a range of sheet thicknesses adapted to the respective thread size there is room for the volume of the respective folded region of the rivet section inside the annular recess (80) that is formed by molding the sheet part (60) into the annular groove of the element and that it does not project beyond the side (82) of the molded sheet facing away from the annular contact surface.
Profil Verbindungstechnik GmbH & Co., KG (Germany)
Inventor
Babej, Jiri
Abstract
A press-in element for pressing into a non-pierced or pre-pierced component, in particular a sheet metal part is described. The press-in element has a head part having a ring surface confronting the component and a neck part which projects away from the ring surface, i.e. from the component contact side. The head part further has a ring-like projection surrounding the neck part with a radial spacing and projecting away from the ring surface and the neck part has a radially outwardly projecting ring bead, which can be formed as a continuous ring bead or as a ring bead interrupted at points, with the apex of the ring bead having an axial spacing from the ring surface which is larger than the axial spacing of the apex of the ring-like projection from the ring surface, which lies radially within this projection and together with it and the ring bead forms a pocket which receives material of the component.
The invention relates to a rivet nut (10) with a base part (12) and a cylindrical rivet section (14), the base part having a central threaded cylinder (16), an annular contact surface (18) that is coaxial to the threaded cylinder on a plane (20) perpendicular to the longitudinal axis (22) of the threaded cylinder, and that has an axially aligned annular groove (24), said groove being arranged radially inside the annular contact surface (18) and radially outside the cylindrical rivet section (14) and said groove blending, on the radially inner side, into the outer surface of the cylindrical rivet section, and anti-rotation ribs (42) being provided in the area of the annular groove. The invention is characterized in that the annular groove, when seen in an axial cross-sectional plane, has a U-shaped cross-section with a radially outer lateral wall (30) which is relatively steep and which has, at the steepest point (33), an inclination to the center longitudinal axis of the rivet nut in the range of approximately 45° to approximately -20°, preferably of approximately 30° to approximately 0°.
The invention relates to a rivet nut (10) with a base part (12) and a cylindrical rivet section (14), the base part having a central threaded cylinder (16), an annular contact surface (18) that is coaxial to the threaded cylinder in a plane (20) perpendicular to the longitudinal axis (22) of the threaded cylinder, and that has an axially aligned annular groove (24), said groove being arranged radially inside the annular contact surface and radially outside the cylindrical rivet section and said groove blending, on the radially inner side, into the outer surface of the cylindrical rivet section, and antirotation ribs (42) being provided in the area of the annular groove. The invention is characterized in that the annular groove, when seen in an axial cross-sectional plane, has a U-shaped cross-section with a radially outer lateral wall (30) which is relatively steep and which has, at the steepest point (33), an inclination to the center longitudinal axis of the rivet nut in the range of approximately 45° to approximately -20°, preferably of approximately 30° to approximately 0°. The volume of the annular groove is chosen in such a manner that across a range of sheet thicknesses adapted to the respective thread size there is room for the volume of the respective folded region of the rivet section inside the annular recess (80) that is formed by molding the sheet part (60) into the annular groove of the element and that it does not project beyond the side (82) of the molded sheet facing away from the annular contact surface.
A method and an apparatus for the attachment of a fastener element to a component, for example a sheet metal part, wherein the fastener element has an axis of symmetry, a head part having a contact surface which enters into contact with the component, a fastening section having a thread and also at least one undercut which receives the material of the component, and wherein the material of the component is pressed against the contact surface and into the undercut by means of a first tool having a die button shape matching the design of the fastener element, are characterized in that a local force is exerted on the head part of the fastener element or onto the tool to the side of the axis of symmetry and is moved circularly around the axis of symmetry while simultaneously carrying out a relative feed movement between the tool and the fastener element between which the component is arranged in order to press the material of the component into the undercut.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
08 - Hand tools and implements
20 - Furniture and decorative products
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Fastener elements of metal in particular nuts, pierce and rivet nuts, bolts, pierce and rivet bolts, washers, rivets, pins power-operated tools, namely pneumatically, hydraulically and/or electrically energized, robot-operated tools for punching holes in sheet metal parts and/or for inserting fasteners into holes and sheet metal parts and connecting them to sheet metal parts by a riveting action, either by single stroke operation or by multiple hammering operations, and machine presses; robot-operated tongs installed in jigs or fixtures; drill-type machines for inserting fasteners, setting heads, punching heads and riveting heads for use in machine presses and robots; and power drivers for fasteners [ hand tools, namely drill-type tools, lever-operated tools, namely lazy tongs, scissor-action tongs, pilier-type tongs, and lever-operated tongs, all for inserting and removing fastener elements ] [ Plastic fastener elements, namely nuts, bolts, washers, rivets and pins, and composite fastener elements, namely, nuts, bolts, washers, rivets and pins, comprised of a metal core surrounded by plastic ] [ maintenance and repair of machines and tools for the attachment of fastener elements ] [ consultation services in the fields of design and construction for others of machines and tools for the attachment of fastener elements; and consultation services in the field of design and manufacture of shaped parts, namely sheet metal parts, primary shaped parts, cold-formed, forged upset and electro-formed parts, and parts formed by chip forming machines predominantly for the sheet metal processing industry ]
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
08 - Hand tools and implements
20 - Furniture and decorative products
Goods & Services
Fastener elements of metal, namely, nuts, bolts, washers, rivets, pins power-operated tools, namely pneumatically, hydraulically and/or electrically energized, robot-operated tools for punching holes in sheet metal parts and/or for inserting fasteners into holes and sheet metal parts and connecting them to sheet metal parts by a riveting action, either by single stroke operation or by multiple hammering operations, and machine presses; robot-operated tongs installed in jigs or fixtures; drill-type machines for inserting fasteners, setting heads, punching heads and riveting heads for use in machine presses and robots; and power drivers for fasteners [ Hand tools, namely drill-type tools, lever-operated tools, namely lazy tongs, scissor-action tongs, plier-type tongs, and lever-operated tongs, all for inserting and removing fastener elements ] [ Plastic fastener elements, namely nuts, bolts, washers, rivets and pins, and composite fastener elements composed of a metal core surrounded by plastic ]
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
19 - Non-metallic building materials
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Fasteners of metal, in particular nuts, anchoring and
punching nuts, screws, anchoring and punching bolts,
washers, rivets, pins. Hand tools and machine tools as well as tools for securing
fasteners. Fasteners not of metal, in particular nuts, anchoring and
punching nuts, screws, anchoring and punching bolts,
washers, rivets, pins. Maintenance and repair of machines and tools used for
securing fasteners. Planning and advice regarding construction and design for
machines and tools for securing fasteners, technical advice
for the design and production of shaped parts (in particular
sheet metal parts), namely parts formed originally, in bulk
or by removal, generally intended for use in the sheet metal
processing industry.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
08 - Hand tools and implements
20 - Furniture and decorative products
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Éléments d'assemblage en métal ou en métal associé à des
matières plastiques, notamment écrous, vis, rondelles,
rivets, goupilles. Outils pour machines ainsi que machines pour la mise en
place d'éléments d'assemblage. Outils à main. Éléments d'assemblage en matières plastiques ou en matières
plastiques associées à du métal, notamment écrous, vis,
rondelles, rivets, goupilles. Entretien et réparation des machines et outils cités dans
les classes 7 et 8. Étude de projets et conseils en matière de construction et
de montage de machines et d'outils pour la mise en place
d'éléments d'assemblage; conseils techniques pour la
construction et la fabrication de pièces moulées, notamment
de pièces moulées en tôle, prototypes, pièces massives ou
usinées avec enlèvement de copeaux, notamment pour
l'industrie de transformation de la tôle.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
08 - Hand tools and implements
20 - Furniture and decorative products
Goods & Services
Fastener elements made of metal or of metal combined with
plastic material (for the most part made of metal), namely
nuts, screws, washers, rivets and pins. Tools operated by a mechanical or electric motor; machines
for processing the fastener elements listed in classes 6 and
20. Hand tools. Fastener elements made of plastic material or of plastic
material combined with metal (for the most part made of
plastic material), namely nuts, screws, washers, rivets and
pins.
