Images of the wire spring (10) are acquired from multiple cameras (150) mounted at different positions. Then, a parametric 3D shape model is fitted to the acquired images. The parametric 3D shape model is defined by a plurality of reference points which, by said fitting, are aligned with a course of the wire spring (10) in the images.
G01B 11/24 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
G01B 11/245 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
Method For Transferring Coil Springs From A Coil Winding Device To A Conveyor Belt Of A Pocketed Coil Assembly Machine A mechanism for transferring coil springs from a coil winding device to a conveyor belt of a pocketed coil assembly machine comprises a magnetic lift platform for engaging a coil spring before being released at an output of the coil winding device. Further, the mechanism comprises a drive mechanism for moving the lift platform between the output of the coil winding device and the conveyor belt.
A mechanism for producing coil springs (10) includes a winding stage (110) for engaging with a wire (20) and deforming the wire (20) to coil windings as the wire (20) moves through the winding stage (110). Further, the mechanism comprises a feed mechanism (120) configured to feed the wire (20) to the winding stage (110). Further, the mechanism comprises a rotary cutter (130). The rotary cutter (130) is configured to cut the deformed wire (20) into portions forming separate coil springs (10) and a blade (135) which is driven for rotation about a stationary rotation axis.
A mechanism for transferring coil springs from a coil winding device to a conveyor belt of a pocketed coil assembly machine comprises a magnetic lift platform for engaging a coil spring before being released at an output of the coil winding device. Further, the mechanism comprises a drive mechanism for moving the lift platform between the output of the coil winding device and the conveyor belt.
For forming a multi-layer strand of pocketed springs, a first strand (11) of pocketed springs (21) and a second strand of pocketed springs (22) are connected to each other. For this purpose a first pocketed spring (21) of the first strand (11) is aligned in a coaxial manner with a second pocketed spring (22) of the second strand (12) so that a first seam portion (31) of pocket material at an end of the first pocketed spring (21) overlaps with a second seam portion (32) at an end of the second pocketed spring (22), and the first seam portion (31) is welded to the second seam portion (32), e.g., using ultrasonic welding.
B68G 9/00 - Placing upholstery springs in pocketsFitting springs in upholstery
A47C 27/06 - Spring inlays or spring units therefor
B23K 20/10 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
B68G 15/00 - Auxiliary devices or tools specially for upholstery
A mechanism for producing coil springs (10) includes a winding stage (110) for engaging with a wire (20) and deforming the wire (20) to coil windings as the wire (20) moves through the winding stage (110). Further, the mechanism comprises a feed mechanism (120) configured to feed the wire (20) to the winding stage (110). Further, the mechanism comprises a rotary cutter (130). The rotary cutter (130) is configured to cut the deformed wire (20) into portions forming separate coil springs (10) and a blade (135) which is driven for rotation about a stationary rotation axis.
A mechanism for producing coil springs (10) includes a winding stage (110) for engaging with a wire (20) and deforming the wire (20) to coil windings as the wire (20) moves through the winding stage (110). Further, the mechanism comprises a feed mechanism (120) configured to feed the wire (20) to the winding stage (110). Further, the mechanism comprises a rotary cutter (130). The rotary cutter (130) is configured to cut the deformed wire (20) into portions forming separate coil springs (10) and a blade (135) which is driven for rotation about a stationary rotation axis.
In order to manufacture an innerspring unit comprising pocketed springs and having an increased stability at its edge regions, in a first step, an innerspring main body comprising a plurality of first strings of pocketed springs is provided. In a subsequent second step, at least one second string of pocketed springs is attached to a lateral surface of the innerspring main body, so that the at least one second string of pocketed springs extends in a longitudinal direction of the innerspring main body. The springs of the at least one second string of pocketed springs have a spring characteristic or a spring geometry different from the springs of the plurality of first strings of the innerspring main body. The at least one second string of pocketed springs forms together with the innerspring main body the innerspring unit.
For forming a multi-layer strand of pocketed springs, a first strand (11) of pocketed springs (21) and a second strand of pocketed springs (22) are connected to each other. For this purpose a first pocketed spring (21) of the first strand (11) is aligned in a coaxial manner with a second pocketed spring (22) of the second strand (12) so that a first seam portion (31) of pocket material at an end of the first pocketed spring (21) overlaps with a second seam portion (32) at an end of the second pocketed spring (22), and the first seam portion (31) is welded to the second seam portion (32), e.g., using ultrasonic welding.
For forming a multi-layer strand of pocketed springs, a first strand (11) of pocketed springs (21) and a second strand of pocketed springs (22) are connected to each other. For this purpose a first pocketed spring (21) of the first strand (11) is aligned in a coaxial manner with a second pocketed spring (22) of the second strand (12) so that a first seam portion (31) of pocket material at an end of the first pocketed spring (21) overlaps with a second seam portion (32) at an end of the second pocketed spring (22), and the first seam portion (31) is welded to the second seam portion (32), e.g., using ultrasonic welding.
A pocket spring core unit includes a plurality of adjustable pocketed spring elements (20). The adjustable pocketed spring elements (20) each include a first coil spring (22), a second coil spring (23), and a pocket (21) enclosing the first coil spring (22) and the second coil (23) spring to pre-tension the first coil spring (22) and the second coil spring (23) against each other. Further, the pocket spring core unit includes an adjustment mechanism (25) for adjusting, for each of the adjustable pocket spring elements (20), a degree of pre-tensioning of the first coil spring (22) relative to a degree of pre-tensioning of the second coil spring (23).
A cover layer of a fleece material for an innerspring unit comprising a plurality of pocketed springs is manufactured by supplying at least two longitudinal fleece webs, which extend substantially parallel in a longitudinal direction and are spaced from one another, and repeatedly attaching a transverse fleece web, which extends between the longitudinal fleece webs in a direction substantially perpendicular to the longitudinal direction, to the longitudinal fleece webs. The transverse fleece web segments are attached to the longitudinal fleece webs such that they form together with the longitudinal fleece webs a frame-like structure serving as the cover layer.
In order to manufacture an innerspring unit comprising pocketed springs and having an increased stability at its edge regions, in a first step, an innerspring main body comprising a plurality of first strings of pocketed springs is provided. In a subsequent second step, at least one second string of pocketed springs is attached to a lateral surface of the innerspring main body, so that the at least one second string of pocketed springs extends in a longitudinal direction of the innerspring main body. The springs of the at least one second string of pocketed springs have a spring characteristic or a spring geometry different from the springs of the plurality of first strings of the innerspring main body. The at least one second string of pocketed springs forms together with the innerspring main body the innerspring unit.
A mechanism (300) for transferring coil springs from a coil winding device (110) to a conveyor belt (210) of a pocketed coil assembly machine comprises a magnetic lift platform (310) for engaging a coil spring (10′) before being released at an output of the coil winding device (110). Further, the mechanism comprises a drive mechanism (315) for moving the lift platform (310) between the output of the coil winding device (110) and the conveyor belt (210).
A mechanism for inserting coil springs (10) produced by multiple coil winding devices of a pocketed coil assembly machine (100) between fabrics (21, 22) for forming pockets enclosing the coil springs (10) is provided. The mechanism comprises belt conveyor mechanisms (200) with multiple parallel conveyor belts, which may be individually controlled. Each of the conveyor belts is associated with a respective one of the coil winding devices and is configured to receive coil springs (10) produced by the respective coil winding device. The mechanism further comprises a push mechanism (420) configured to push the coil springs (10) arranged on the conveyor belts, in a direction transversal to a conveying direction of the conveyor belts, between the fabrics and into a welding stage (500) of the pocketed spring assembly machine (100).
A feed mechanism for pocketed spring strands is provided with at least one index wheel having a plurality of blades. The feed mechanism is provided with a motor. The at least one index wheel includes a first support member which is rotatable about a first rotation axis and carries a first support element which supports a shaft element of the blade to be tiltable about a tilt axis extending in parallel to the first rotation axis. The at least one index wheel includes a second support member which is rotatable about a second rotation axis which extends in parallel to the first rotation axis and carries a second support element which is slidable along the shaft element of the blade and supports the shaft element to be tiltable about the tilt axis.
B21F 23/00 - Feeding wire in wire-working machines or apparatus
B65B 63/04 - Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for folding or winding articles, e.g. gloves or stockings
B65B 65/00 - Details peculiar to packaging machines and not otherwise provided forArrangements of such details
B65B 35/30 - Arranging and feeding articles in groups
B68G 9/00 - Placing upholstery springs in pocketsFitting springs in upholstery
B68G 15/00 - Auxiliary devices or tools specially for upholstery
18.
Apparatus for manufacturing a cover layer of a fleece material, for an innerspring unit
A cover layer (23) of a fleece material for an innerspring unit (20) comprising a plurality of pocketed springs (29) is manufactured by supplying at least two longitudinal fleece webs (24, 25), which extend substantially parallel in a longitudinal direction and are spaced from one another, and repeatedly attaching a transverse fleece web (26, 27), which extends between the longitudinal fleece webs (24, 25) in a direction substantially perpendicular to the longitudinal direction, to the longitudinal fleece webs (24, 25). The transverse fleece web segments (26, 27) are attached to the longitudinal fleece webs (24, 25) such that they form together with the longitudinal fleece webs (24, 25) a framelike structure (21) serving as the cover layer (23).
A mechanism for inserting coil springs (10) produced by multiple coil winding devices of a pocketed coil assembly machine (100) between fabrics (21, 22) for forming pockets enclosing the coil springs (10) is provided. The mechanism comprises belt conveyor mechanisms (200) with multiple parallel conveyor belts, which may be individually controlled. Each of the conveyor belts is associated with a respective one of the coil winding devices and is configured to receive coil springs (10) produced by the respective coil winding device. The mechanism further comprises a push mechanism (420) configured to push the coil springs (10) arranged on the conveyor belts, in a direction transversal to a conveying direction of the conveyor belts, between the fabrics and into a welding stage (500) of the pocketed spring assembly machine (100).
A mechanism (300) for transferring coil springs from a coil winding device (110) to a conveyor belt (210) of a pocketed coil assembly machine comprises a magnetic lift platform (310) for engaging a coil spring (10') before being released at an output of the coil winding device (110). Further, the mechanism comprises a drive mechanism (315) for moving the lift platform (310) between the output of the coil winding device (110) and the conveyor belt (210).
A mechanism (300) for transferring coil springs from a coil winding device (110) to a conveyor belt (210) of a pocketed coil assembly machine comprises a magnetic lift platform (310) for engaging a coil spring (10') before being released at an output of the coil winding device (110). Further, the mechanism comprises a drive mechanism (315) for moving the lift platform (310) between the output of the coil winding device (110) and the conveyor belt (210).
A mechanism for inserting coil springs (10) produced by multiple coil winding devices of a pocketed coil assembly machine (100) between fabrics (21, 22) for forming pockets enclosing the coil springs (10) is provided. The mechanism comprises belt conveyor mechanisms (200) with multiple parallel conveyor belts, which may be individually controlled. Each of the conveyor belts is associated with a respective one of the coil winding devices and is configured to receive coil springs (10) produced by the respective coil winding device. The mechanism further comprises a push mechanism (420) configured to push the coil springs (10) arranged on the conveyor belts, in a direction transversal to a conveying direction of the conveyor belts, between the fabrics and into a welding stage (500) of the pocketed spring assembly machine (100).
A spring feeding device configured to feed a spring (9) comprises a feeding member (60) delimiting a channel (68), a pusher (70) configured to push the spring (9) along the channel (68) delimited by the feeding member (60), and a drive mechanism con-figured to displace both the feeding member (60) and the pusher (70) such that the feeding member (60) and the pusher (70) move in opposite directions (91, 92).
B68G 9/00 - Placing upholstery springs in pocketsFitting springs in upholstery
B65B 63/02 - Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for compressing or compacting articles or materials prior to wrapping or insertion in containers or receptacles
B65B 9/073 - Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web having intermittent motion
25.
METHOD AND APPARATUS FOR MANUFACTURING AN INNERSPRING UNIT AND CORRESPONDING INNERSPRING UNIT
In order to manufacture an innerspring unit (31 ) comprising pocketed springs and having an increased stability at its edge regions, in a first step, an innerspring main body (30) comprising a plurality of first strings (14) of pocketed springs is provided. In a subsequent second step, at least one second string (13c, 13d) of pocketed springs is attached to a lateral surface of the innerspring main body (30), so that the at least one second string (13c, 13d) of pocketed springs extends in a longitudinal direction of the innerspring main body (30). The springs (13) of the at least one second string (13c, 13d) of pocketed springs have a spring characteristic or a spring geometry different from the springs of the plurality of first strings of the innerspring main body (30). The at least one second string (13c, 13d) of pocketed springs forms together with the innerspring main body (30) the innerspring unit (31 ).
A cover layer (23) of a fleece material for an innerspring unit (20) comprising a plurality of pocketed springs (29) is manufactured by supplying at least two longitudinal fleece webs (24, 25), which extend substantially parallel in a longitudinal direction and are spaced from one another, and repeatedly attaching a transverse fleece web (26, 27), which extends between the longitudinal fleece webs (24, 25) in a direction substantially perpendicular to the longitudinal direction,to the longitudinal fleece webs (24, 25). The transverse fleece web segments (26, 27) are attached to the longitudinal fleece webs (24, 25) such that they form together with the longitudinal fleece webs (24, 25) a framelike structure (21) serving as the cover layer (23).
A cover layer (23) of a fleece material for an innerspring unit (20) comprising a plurality of pocketed springs (29) is manufactured by supplying at least two longitudinal fleece webs (24, 25), which extend substantially parallel in a longitudinal direction and are spaced from one another, and repeatedly attaching a transverse fleece web (26, 27), which extends between the longitudinal fleece webs (24, 25) in a direction substantially perpendicular to the longitudinal direction, to the longitudinal fleece webs (24, 25). The transverse fleece web segments (26, 27) are attached to the longitudinal fleece webs (24, 25) such that they form together with the longitudinal fleece webs (24, 25) a framelike structure (21) serving as the cover layer (23).
A spring setting device (30) comprises a setting guide (31; 40) configured to receive a spring, an abutment member (32; 50) positioned adjacent to the setting guide (31; 40) and configured to abuttingly engage the spring, and a pusher (35; 71 ) which is configured to displace the spring along the setting guide (31; 40) and to compress the spring against the abutment member (32; 50). The abutment member (32; 50) may be rotatably mounted.
A coil spring winding apparatus (1) comprises a stator and a rotor (10) which is supported on the stator so as to be rotatable about a rotation axis (13). The rotation axis (13) extends along a spring axis of a coil spring wound by the coil spring winding apparatus. At least one winding tool (21, 22) is supported on the rotor (10) so as to rotate about the rotation axis (13) of the rotor (10) upon rotation of the rotor (10). The at least one winding tool (21, 22) is configured to bend a wire (8) to form the coil spring upon rotation of the rotor (10). The at least one winding tool (21, 22) is adjustable relative to the rotor (10).
A spring feeding device configured to feed a spring (9) comprises a feeding member (60) delimiting a channel (68), a pusher (70) configured to push the spring (9) along the channel (68) delimited by the feeding member (60), and a drive mechanism con- figured to displace both the feeding member (60) and the pusher (70) such that the feeding member (60) and the pusher (70) move in opposite directions (91, 92).
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
20 - Furniture and decorative products
37 - Construction and mining; installation and repair services
Goods & Services
Metal coil springs, metal coil spring assemblies and
pocketed spring assemblies comprised of encased grouped
metal springs, in particular metal springs for the
production of mattresses, reclining and seating furniture. Machinery and parts for the production of springs, pocket
springs, innerspring units, mattresses and cushions; pocket
spring machines; spring coiling machines; wire forming
machines; assembly machines for innerspring units; packing
machinery; automatic wire straighteners; pneumatic clipping
machines; pneumatic bending machines; roll packing machines;
roll pack opening machines; pocket strand layering machines;
frame bending machines. Mattresses; spring mattresses. Installation and repair services for machinery for the
production of springs, pocket springs, innerspring units,
mattresses and cushions; installation and repair services
for wire forming machines, assembly machines for innerspring
units, packing machinery, automatic wire straighteners,
pneumatic clipping machines, pneumatic bending machines,
roll packing machines, roll pack opening machines, pocket
strand layering machines and frame bending machines.
32.
Apparatus and method for transporting springs, and machine for producing a string of pocket springs
An apparatus for transporting springs comprises a transport device configured to receive a spring and a retaining mechanism configured to retain the spring received by the transport device. The retaining mechanism has at least one retaining member which comprises a magnetic material and which is mounted to be displaceable relative to the transport device. The apparatus comprises a release mechanism configured to release the spring received by the transport device. The release mechanism is configured to cause a relative displacement between the transport device and the at least one retaining member. The invention also relates to a method of transporting springs.
B65G 47/92 - Devices for picking-up and depositing articles or materials incorporating electrostatic or magnetic grippers
B65G 47/84 - Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
B21F 33/04 - Connecting ends of helical springs for mattresses
B21F 27/16 - Making special types or portions of network by methods or means specially adapted therefor for spring mattresses
37 - Construction and mining; installation and repair services
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
20 - Furniture and decorative products
Goods & Services
Installation and repair services for machinery for the production of springs, pocket springs, innerspring units, mattresses and cushions; installation and repair services for wire forming machines, assembly machines for innerspring units, packing machinery, automatic wire straighteners, pneumatic clipping machines, pneumatic bending machines, roll packing machines, roll pack opening machines, pocket strand layering machines and frame bending machines [ Metal coil springs, metal coil spring assemblies and pocketed spring assemblies comprised of encased grouped metal springs, in particular metal springs for the production of mattresses, reclining and seating furniture ] Machinery and parts for the production of springs, pocket springs, innerspring units, mattresses and cushions; pocket spring machines; spring coiling machines; wire forming machines; assembly machines for innerspring units; packing machinery; automatic wire straighteners; pneumatic clipping machines; pneumatic bending machines; roll packing machines; roll pack opening machines; pocket strand layering machines; frame bending machines [Mattresses; spring mattresses]
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
20 - Furniture and decorative products
37 - Construction and mining; installation and repair services
Goods & Services
Metal coil springs, metal coil spring assemblies and pocketed spring assemblies comprised of encased grouped metal springs, in particular metal springs for the production of mattresses, reclining and seating furniture. Machinery and parts for the production of springs, pocket springs, innerspring units, mattresses and cushions; pocket spring machines; spring coiling machines; wire forming machines; assembly machines for innerspring units; packing machinery; automatic wire straighteners; pneumatic clipping machines; pneumatic bending machines; roll packing machines; roll pack opening machines; pocket strand layering machines; frame bending machines. Mattresses; spring mattresses. Installation and repair services for machinery for the production of springs, pocket springs, innerspring units, mattresses and cushions; installation and repair services for wire forming machines, assembly machines for innerspring units, packing machinery, automatic wire straighteners, pneumatic clipping machines, pneumatic bending machines, roll packing machines, roll pack opening machines, pocket strand layering machines and frame bending machines.
37 - Construction and mining; installation and repair services
Goods & Services
Machinery and parts for the production of springs, pocket springs, innerspring units, mattresses and cushions; pocket spring machines; spring coiling machines; wire forming machines; assembly machines for innerspring units; packing machinery; automatic wire straighteners; pneumatic clipping machines; pneumatic bending machines; roll packing machines; roll pack opening machines; pocket strand layering machines; frame bending machines. Mattresses; spring mattresses. Installation and repair services for machinery for the production of springs, pocket springs, innerspring units, mattresses and cushions; installation and repair services for wire forming machines, assembly machines for innerspring units, packing machinery, automatic wire straighteners, pneumatic clipping machines, pneumatic bending machines, roll packing machines, roll pack opening machines, pocket strand layering machines and frame bending machines.
06 - Common metals and ores; objects made of metal
20 - Furniture and decorative products
Goods & Services
Metal springs, in particular metal springs for manufacturing
mattresses, reclining and seating furniture. Mattresses; spring mattresses; springs for reclining and
seating furniture.
06 - Common metals and ores; objects made of metal
20 - Furniture and decorative products
Goods & Services
Metal springs, in particular metal springs for manufacturing
mattresses, reclining and seating furniture. Mattresses; spring mattresses; springs for reclining and
seating furniture.
38.
APPARATUS AND METHOD FOR TRANSPORTING SPRINGS, AND MACHINE FOR PRODUCING A STRING POCKET OF SPRINGS
An apparatus (50) for transporting springs comprises a transport device (51) configured to receive a spring (21) and a retaining mechanism configured to retain the spring (21) received by the transport device (51). The retaining mechanism has at least one retaining member (53) which comprises a magnetic material (54) and which is mounted to be displaceable relative to the transport device (51). The apparatus comprises a release mechanism (57) configured to release the spring (21) received by the transport device (51). The release mechanism (57) is configured to cause a relative displacement (61) between the transport device (51) and the at least one retaining member (53). The invention also relates to a method of transporting springs.
06 - Common metals and ores; objects made of metal
20 - Furniture and decorative products
Goods & Services
Metal springs, in particular metal springs for manufacturing mattresses, reclining and seating furniture. Mattresses; Spring mattresses; Springs for reclining and seating furniture.
06 - Common metals and ores; objects made of metal
20 - Furniture and decorative products
Goods & Services
Metal springs, in particular metal springs for manufacturing mattresses, reclining and seating furniture. Mattresses; Spring mattresses; Springs for reclining and seating furniture.
41.
APPARATUS AND METHOD FOR FORMING A STRING OF POCKET SPRINGS
An apparatus (1) for forming a string (70) of pocket springs comprises a tube forming device (23-25) for forming a tube (50) of pocket material. The apparatus (1) comprises an ultrasonic welding device (30) configured to receive the tube (50) of pocket material and to form a transverse seam which extends between adjacent pockets (71 -74). The apparatus (1) comprises a deflection device (40) configured to deform at least one side portion of the tube (50) of pocket material towards an interior of the tube (50) of pocket material before the ultrasonic welding device (30) forms the transverse seam.
Using a method for producing a spring from a spring wire, turns of a first spring part are produced, wherein said produced turns move in a first direction. Thereafter, turns of a second spring part are produced, wherein said produced turns move in a second direction which is different from, in particular opposite of, the first direction. Such a method can be used to produce a spring having a plurality of spring parts.
