A clamp assembly includes two curved clamp halves terminating in two clamp members, one or more fasteners for fastening the clamp members towards each other so as to apply a radially-inward clamping force, and a multiple-degree-of-freedom hinge that couples the clamp halves to each other so that the clamp halves can translate and rotate with respect to each other.
A pipe coupling encapsulation assembly includes an elastomeric ring including two elastomeric annular pipe interface portions that extend from two opposite axial ends of an elastomeric intermediate annular portion. The elastomeric annular pipe interface portions have a smaller annular radius than an annular radius of the elastomeric intermediate annular portion. Each of the elastomeric annular pipe interface portions and the elastomeric intermediate annular portion includes edges that face each other when the elastomeric ring is placed around a pipe. A repair coupling includes a band and opposing clamp members extending outwards from ends of the band, the elastomeric ring being radially inwards of the band.
F16L 55/172 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
3.
Pipe coupling for large pipe diameters with radial force grippers
A pipe coupling includes two or more partially annular clamp housings, each of which includes two opposing clamp members and one or more tightening elements for tightening the clamp members towards each other in a direction transverse to an axial length of the annular clamp housings. An elastomeric seal assembly is located in seal housings at opposite axial ends of a cylindrical shell. Tightening the clamp members towards each other causes the elastomeric seal assembly to apply a radially-inward clamping force on a pipe or pipes clamped by the pipe coupling. Radial force grippers are spaced about a circumference of each of the annular clamp housings. Radially-inward forces of the radial force grippers create axially-directed forces on the pipe or pipes clamped by the pipe coupling.
F16L 25/06 - Construction or details of pipe joints not provided for in, or of interest apart from, groups comprising radial locking means
F16L 17/06 - Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges
F16L 23/08 - Flanged joints the flanges being connected by members tensioned in the radial plane connection by tangentially arranged pin and nut
F16L 23/22 - Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
An accessory for a clamp assembly includes a grip element which has a base portion including two opposite end faces, rows of teeth that protrude from the base portion, the teeth being arranged in rows with gaps separating them, wherein each of the teeth has a shape as viewed from one of the end faces which includes a first shape portion which has straight sides each of which extends from the base portion to an end, wherein a junction of each of the straight sides with the base portion has a radius, wherein the straight sides form borders of the gaps. Each of the teeth includes another shape portion that extends inwards, away from the gaps. The ends of the straight sides of the first shape portion and the other shape portion cooperate to grip a pipe.
F16L 37/091 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
A seal includes a sealing ring constructed with a first portion folded over a second portion so as to define at least one inner annular space bounded by the first and second portions. At least one hollow portion is at least partially annular, and is formed in the sealing ring in at least one of the first portion and the second portion.
A pipe coupling assembly includes a band having an inner annular seal element wrappable around a pipe, opposing clamp members that extend from the band, at least one tightening element for clamping together the clamp members, and a bridge secured to the band with one or more bridge securing fasteners. The bridge spans a gap between the opposing clamp members. Anti-shearing structure is coupled to the bridge and the band, configured to prevent shearing or deformation of the bridge securing fasteners.
A pipe coupling includes a pipe housing formed with an annular groove spaced axially from a first end of the pipe housing, a grooved coupling including a ring member that includes a coupling key received in the annular groove, and a grip ring assembly positioned at a second end of the pipe housing opposite to the first end. The grip ring assembly includes two clamp members arranged to be fastened and tightened towards each other by a fastener.
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
F16L 21/03 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
8.
PIPE COUPLING CAPSULATION ASSEMBLY WITH RETAINING ELEMENTS
A pipe coupling capsulation assembly (10) includes a band (12) having an inner annular seal element (14) wrappable around a pipe, opposing clamp members (18) that extend from the band (12), at least one tightening element (20) for clamping together the clamp members (18), and a plurality of retaining elements (30) extending from the band (12). Each retaining element (30) overlies a portion (35) of an adjacent one of the retaining elements (30).
F16L 55/172 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
F16L 55/178 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by clamping an outer gasket against a joint with sleeve or socket
A pipe coupling capsulation assembly includes a band having an inner annular seal element wrappable around a pipe, opposing clamp members that extend from the band, at least one tightening element for clamping together the clamp members, and a plurality of retaining elements extending from the band. Each retaining element overlies a portion of an adjacent one of the retaining elements.
F16L 55/172 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
F16L 21/02 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
A pipe system includes a first pipe section and a second pipe section arranged, and together defining a total length, along a longitudinal axis. The first and second pipe sections are movable with respect to each other so as to shorten or lengthen the total length. A fixation member clamps a portion of the second pipe section to a portion of the first pipe section. The fixation member includes an insulator which is electrically insulating and passes no electrical current between the first and second pipe sections.
F16L 25/04 - Construction or details of pipe joints not provided for in, or of interest apart from, groups comprising a collar or ring having a threaded pin rigid with the pipe-encircling member
F16L 58/18 - Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings
F16L 21/03 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
F16L 27/12 - Adjustable jointsJoints allowing movement allowing substantial longitudinal adjustment or movement
F16L 21/08 - Joints with sleeve or socket with additional locking means
11.
Seal for range of pipe diameters with interlocking layers
A pipe coupling includes a clamp housing and a seal assembly mounted in at least one end of the clamp housing. The seal assembly includes an outer sealing layer connected to an inner sealing layer with interlocking mating structures that abut against each other in radial and axial directions and prevent the inner and outer sealing layers from separating from each other in the radial and axial directions.
F16L 17/035 - Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket having annular axial lips the sealing rings having two lips parallel to each other
F16L 17/04 - Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket with longitudinally split or divided sleeve
F16L 21/02 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
F16L 25/14 - Joints for pipes of different diameters or cross-section
A pipe coupling encapsulation assembly includes a repair coupling including an elastomeric seal, clamp members and one or more tightening elements for tightening the clamp members towards each other, and a grip member assembled in the repair coupling. The grip member is formed into an at least partially circumferential band. The band includes a plurality of pipe interface members with protrusions capable of digging into an outer surface of a pipe being sealed. The grip member includes a plurality of radially inner and radially outer bends. The pipe interface members and the protrusions are located at radially inward surfaces of the inner bends.
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
F16L 55/172 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
F16L 37/26 - Couplings of the quick-acting type in which the connection is made by transversely moving the parts together, with or without their subsequent rotation
F16L 55/178 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by clamping an outer gasket against a joint with sleeve or socket
F16L 21/08 - Joints with sleeve or socket with additional locking means
F16L 25/14 - Joints for pipes of different diameters or cross-section
A method for pipe coupling encapsulation includes placing two elastomeric partial rings around pipes on opposite sides of a leaking joint coupling, taking a repair coupling, which includes a band and opposing clamp members extending outwards from ends of the band, and placing the band around the leaking joint coupling such that opposite end portions of the band overlie the elastomeric partial rings, and tightening the opposing clamp members towards each other with one or more tightening elements.
F16L 55/172 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
F16L 55/178 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by clamping an outer gasket against a joint with sleeve or socket
A pipe repair fitting (10) includes a pair of opposed generally semi-cylindrical sleeve members (12, 14) including side flanges (16, 18) and first fasteners (20) that engage the side flanges (16, 18) for fastening and encircling the sleeve members (12, 14) together onto a pipe to be repaired. Each sleeve member includes a central longitudinal semi-cylindrical portion (22). A first seal member (26) is disposed in at least one of the longitudinal semi-cylindrical portions (22) for sealing the sleeve members (12, 14) with respect to each other. Semi-annular clamp housings (24, 25) extend from opposite ends of the longitudinal semi-cylindrical portion (22). Ends of the semi-annular clamp housings (24, 25) include opposing clamp members (27). One or more second fasteners (30) tighten the clamp members (27) towards each other so as to apply a clamping force on the pipe to be repaired. At least one end seal (28) is disposed in the semi-annular clamp housings (24, 25).
F16L 55/172 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
F16L 23/16 - Flanged joints characterised by the sealing means
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
A clamping ring includes first and second clamping ring members, each of which includes: a) an inner curved contour with a circumferential span of at least 90° that extends from a lower face to an upper face, the upper face being formed with an aperture for receiving therein a fastener for tightening the first and second clamping ring members towards each other, and b) an inner groove for receiving therein a seal. The first clamping ring member includes a first connecting member that extends circumferentially beyond the lower face. The second clamping ring member includes a second connecting member that couples the first connecting member with the second clamping ring member.
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
F16B 2/10 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using pivoting jaws
17.
Axial-restraint pipe coupling with individual grip elements
A pipe coupling includes an annular seal disposed in an annular clamp housing, which has an opening for inserting therein a pipe and which includes clamp members and tightening elements operative to fasten and tighten the clamp members towards each other in a direction transverse to an axial length of the annular clamp housing so as to apply a radially-inward clamping force on the pipe. Grip elements are located about an inner perimeter of the opening. Each of the grip elements includes a static wedge, which is fixed to the annular clamp housing, and a movable wedge, which is covered by a grip member having gripping teeth, arranged to slide axially relative to the static wedge.
A pipe coupling includes a clamp housing including at least one end having two opposing clamp members and one or more tightening elements for tightening the clamp members towards each other in a direction transverse to an axial length of the clamp housing so as to apply a radially-inward clamping force on a pipe being clamped in the clamp housing. An at least partially annular seal is mounted in the at least one end of the clamp housing. The seal has a folded-inwards configuration in which a foldable portion of the seal is folded inwards to create a first inner diameter, and a folded-outwards configuration in which the foldable portion of the seal is unfolded outwards to create a second inner diameter larger than the first inner diameter.
F16L 25/12 - Joints for pipes being spaced apart axially
F16L 25/06 - Construction or details of pipe joints not provided for in, or of interest apart from, groups comprising radial locking means
F16L 21/02 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
F16L 25/14 - Joints for pipes of different diameters or cross-section
06 - Common metals and ores; objects made of metal
Goods & Services
Metal pipe couplings and joints; Metal pipe connectors; Clips of metal for cables and pipes; Fittings of metal for pipes; Metal clamps; Metal pipe clips; Structure joint connectors of metal
06 - Common metals and ores; objects made of metal
Goods & Services
Metal pipe couplings and joints; Metal pipe connectors; Clips of metal for cables and pipes; Fittings of metal for pipes; Metal clamps; Metal pipe clips; Structure joint connectors of metal
A pipe clamp including an annular clamp housing having an opening for inserting therein a pipe, opposing clamp members located near ends of the annular clamp housing, one or more tightening elements for fastening and tightening the clamp members towards each other in a direction transverse to an axial length of the annular clamp housing, and an annular seal placed in an inner perimeter of the annular clamp housing, wherein one portion of the annular seal is attached to the annular clamp housing with one or more mechanical fasteners and another portion of the annular seal is slidingly attached to the annular clamp housing with one or more mechanical fasteners so that the annular seal is permitted to move and expand radially about as the pipe clamp is tightened by one or more tightening elements.
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
F16L 17/03 - Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket having annular axial lips
F16L 55/172 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
F16L 21/03 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
A grip element has a wedge shape including a wedging surface. One or more sets of elongate teeth are on the wedging surface. Another set of teeth with pointed corners are spaced from the elongate teeth in the circumferential direction. The grip element may be non-stamped.
F16L 19/065 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring
F16B 2/14 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using wedges
F16L 35/00 - Special arrangements used in connection with end fittings of hoses, e.g. safety or protecting devices
F16L 19/06 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
F16L 37/084 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking
A pipe coupling capsulation assembly includes a band having an inner annular seal element wrappable around a pipe, opposing clamp members that extend from the band, and one or more tightening elements for clamping together the clamp members. Retaining elements are assembled to the annular seal element.
F16L 21/03 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
F16L 55/172 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
A pipe clamp assembly includes a band having an inner annular seal element wrappable around a pipe, opposing clamp members extending from the band, and tightening elements for clamping together the clamp members. The tightening elements are positioned at or near opposite ends of each of the clamp members. A stiffening element is constructed of an elongate beam with mounting holes near opposite ends of the beam. The tightening elements pass through the mounting holes of the stiffening element. There are no tightening elements along a length of the stiffening element between the mounting holes.
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
F16L 21/02 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
F16L 21/03 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
A pipe coupling includes an annular clamp housing that has ends which are provided with two opposing clamp members. One or more tightening elements are provided for tightening the clamp members towards each other in a direction transverse to an axial length of the annular clamp housing so as to apply a radially-inward clamping force on a pipe being clamped in the annular clamp housing. An annular seal is mounted in the annular clamp housing. The annular clamp housing includes one or more enhanced circumferential stiffening elements.
F16L 17/00 - Joints with packing adapted to sealing by fluid pressure
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
F16L 21/02 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
F16L 21/03 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
F16L 25/14 - Joints for pipes of different diameters or cross-section
A method for making a gasket including molding an elastomeric material in a mold to form a gasket that includes an outer portion folded over an inner portion so as to define an inner annular space between and bounded by the outer and inner portions, and wherein one or more apertures are formed in a side wall of the gasket, which are in fluid communication with the inner annular space.
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
F16J 15/02 - Sealings between relatively-stationary surfaces
B29D 99/00 - Subject matter not provided for in other groups of this subclass
F16L 17/035 - Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket having annular axial lips the sealing rings having two lips parallel to each other
An accessory for a clamp assembly including a clamp bridge including a plurality of curved bridge elements attached to one another by a joint that permits relative motion between neighboring bridge elements.
A multilayer annular seal assembly including at least one outer sealing ring including at least one inner annular space and at least one inner sealing ring formed with one or more inner annular chambers.
F16L 17/00 - Joints with packing adapted to sealing by fluid pressure
F16L 17/035 - Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket having annular axial lips the sealing rings having two lips parallel to each other
F16L 17/10 - Joints with packing adapted to sealing by fluid pressure the packing being sealed by the pressure of a fluid other than the fluid in or surrounding the pipe
F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
F16J 15/02 - Sealings between relatively-stationary surfaces
F16J 15/48 - Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings influenced by the pressure within the member to be sealed
An improved clamp assembly that has two adjacent annular clamps and the user has the choice of tightening just one of them or both of them. A bridge element is provided that presses against one or more sealing rings when tightening the annular clamp.
A mechanical joint restraint including a clamping ring for pressing against a seal of an annular flange, the clamping ring having an annular lip, a pipe grip ring assembly including a yoke with a pair of transverse fastener receiving members, one or more transverse fasteners for fastening the transverse fastener receiving members to one another, and a plurality of grip elements, tightenable against an outer surface of a pipe, wherein the annular inner surfaces of the yoke include adjoining abutment surfaces that form an acute angle, and the grip elements have a wedge shape that is received in and abuts against the adjoining abutment surfaces and one of the abutment surfaces has an extension which is an annular lip that fits over and abuts against the annular lip of the clamping ring.
A pipe clamp assembly including a band having an inner annular seal element wrappable around a pipe, opposing clamp members extending from the band, tightening elements for clamping together the clamp members, the tightening elements passing through holders located at ends of the clamp members, and a keeper fastened to one of the holders at a first end of at least one of the tightening elements, the keeper having a cover portion that lies over the first end.
A pipe coupling including an annular clamp having an opening at at least one end of its axial length for inserting therein a pipe, the annular clamp including two clamp members, an annular seal disposed in the annular clamp, and a mechanical fastener that includes a threaded shaft with a washer flange, the washer flange having a lower rim, wherein when nuts are tightened on both ends of the threaded shaft, the lower rim bites into the annular seal.
06 - Common metals and ores; objects made of metal
Goods & Services
Metal Pipe couplings and metal pipe joints; metal connectors for pipes, accessories for pipes, namely, metal clips for cables and pipes; pipe clamps of metal; clamp connectors of metal for pipes
