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| Number | Title | Issue Date |
| 7775561 | Exhaust pipe joint with insert A connection assembly for pipes is provided. The assembly includes a pipe, a corrugated conduit, a circumferentially contractible seal positioned between portions of the conduit and the pipe, a clamp encircling the conduit, seal and pipe, and a plurality of discrete... | 08/17/2010 |
| 7484775 | Pipe joint restraint A pipe joint restraint (16) includes a pocket (74) having a fulcrum (92) a fixed distance from the centerline (26) of an annular retaining gland (22) and about which a gripping element (76) pivots to move a gripping edge ( | 02/03/2009 |
| 7354073 | Pipe joint A pipe joint includes a push ring having a tapered receptacle and fitted to a junction pipe; a pipe joint main body having a pipe receptacle and fitted to the junction pipe; a clamp for moving the push ring toward the joint main body; a packing ring disposed between... | 04/08/2008 |
| 7351899 | Quick action drum lug assembly and method Lug assemblies and associated methods of attaching a drum head to a drum body. The lug assembly may comprise a lug body having a seating surface; an elongate link having a proximate end disposed proximate the drum head and a distal end disposed distal from the drum ... | 04/01/2008 |
| 7341288 | Restrained sleeve pipe coupling A restrained sleeve coupling assembly for interconnecting pipe sections includes a generally cylindrical sleeve body, a generally cylindrical adaptor body and opposed end rings which are sleeved over the respective pipe sections to be joined. The generally cylindric... | 03/11/2008 |
| 7328493 | Self restrained fitting for PVC and ductile iron pipe A combination sealing and restraint system for an as-cast ductile iron fitting is shown for both sealing and preventing separation of an iron pipe fitting and a mating male pipe. The restraint system includes both a sealing ring and a combination gripping ring which... | 02/12/2008 |
| 7272204 | Method and apparatus for clamping a riser brace assembly in nuclear reactor An apparatus and method are provided which are designed to structurally replace welds that attach a riser brace assembly to a jet pump riser pipe. The riser brace assembly may include an upper clamp assembly, a lower clamp assembly, and a plurality of mechanical fas... | 09/18/2007 |
| 7266875 | Joint restraint assembly A joint restraint assembly for connecting pipe ends together, or to other objects, which includes a body encircling the pipe. The body has a plurality of cavities adjacent to the pipe with a segment configured to fit into each cavity. One or more threaded bores are ... | 09/11/2007 |
| 7255373 | Coupling or transition fitting for the connection of metal or plastic pipes A pipe coupling having a radially deformable housing, wherein a pipe is freely insertable into the housing bore and a nut causes engagement of the grip ring with the pipe. The housing bore including a plurality of outwardly extending projections. The grip ring inclu... | 08/14/2007 |
| 7252310 | Pipe coupling with tongue and groove sealing sleeve A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside the band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the co... | 08/07/2007 |
| 7225837 | Casing spacer with joint restraint An integrated casing spacer and joint restraint unit is attached to each of a pair of pipe sections adjacent to an end-to-end connection of the pipe sections by means of first and second spacer/retainer ring members. Disposed on the outer periphery of each ring memb... | 06/05/2007 |
| 7219934 | Pipe coupling A pipe coupling for coupling the ends of pipe sections together end to end, wherein the coupling includes a barrel member, at least one coupling member, at least one elastomeric sealing ring, a tangentially extending bolt and interacting members. The barrel member s... | 05/22/2007 |
| 7207606 | Mechanical pipe joint, gasket, and method for restraining pipe spigots in mechanical pipe joint bell sockets A mechanical pipe joint, restraining gasket, and method for restraining pipe spigots within adjacent bell sockets. The restraining gasket is composed of two axially-separate components: a sealing portion and a restraining portion made of a plurality of arcuate locki... | 04/24/2007 |
| 7192187 | In-line thermometer An improved temperature measuring device for the in-line temperature measurement of fluids which does not require intimate contact of the fluid with the temperature sensing element. In addition, the invention contains no internal cavities or crevices making it very ... | 03/20/2007 |
| 7185924 | Joint restraint assembly A joint restraint assembly for connecting pipe ends together, or to other objects, which includes a body encircling the pipe. The body has a plurality of cavities adjacent to the pipe with a segment configured to fit into each cavity. One or more threaded bores are ... | 03/06/2007 |
| 7134204 | Integral restraint system and method of manufacture for plastic pipe A method and apparatus for restraining pipe against internal forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining/sealing mechanism. The restraining/sealing mechanism includes a ... | 11/14/2006 |
| 7125054 | Self restraining gasket and pipe joint A sealing and restraining gasket for preventing separation of a pipe joint used to join a bell end of a female pipe to the male end of a mating pipe. The gasket is formed from a compressible body of elastomeric material and carries a rigid ring with gripping teeth f... | 10/24/2006 |
| 7108206 | Valve assembly and fuel injector using same The present invention broadly applies to any fluid valve made up of a plurality of body components that create sealing lands where the body components are clamped together. The invention is further applicable to any such valves in which pressure differentials within... | 09/19/2006 |
| 7108289 | Restraining gasket for mechanical joints of pipes A gasket for connecting two lengths of pipe in a standard mechanical joint is disclosed, which gasket maximizes the advantages of both restrained push-on joints as well as mechanical joints, as are known commonly in the art. The invention has application to long-run... | 09/19/2006 |
| 7104573 | Energized restraining gasket for mechanical joints of pipes A gasket for converting a standard mechanical joint into a restrained mechanical joint without the need for altered configuration of the bell, spigot, or gland of the joint, and without the need for additional fittings or devices. In the practice of the present inve... | 09/12/2006 |
| 7097210 | Method and apparatus for providing a transition connector to introduce outside air and vent flue for boiler combustion A method and apparatus for sealing a combustion intake for a boiler from inside air is provided. A method and apparatus for providing a transition piece for venting fresh air to and combusted gas away from a boiler is also provided. A method of connecting a transiti... | 08/29/2006 |
| 7093863 | Restraining gasket for mechanical joints of pipes A gasket for connecting two lengths of pipe in a standard mechanical joint, which gasket maximizes the advantages of both restrained push-on joints as well as mechanical joints, as are known commonly in the art. The invention has application to long-run pipe lengths... | 08/22/2006 |
| 7056053 | Bolting arrangement including a two-piece washer for minimizing bolt bending A two-piece washer to allow tilting movement of the washer elements. One annular washer element includes a convex annular surface that engages with a concave annular surface of a second annular washer element. When the convex and concave surfaces of the respective w... | 06/06/2006 |
| 7052052 | Sealing gasket for a clamp A device for sealing a lap joint between two conduits is disclosed herein. The device includes a band clamp. The device also includes a packet or other type of container secured to the band clamp. The packet contains a sealant which moves or flows to void areas betw... | 05/30/2006 |
| 7048309 | Pipe coupling A coupling for attachment to the end portion of a pipe includes jaw members adapted to slide along an inner end taper in the coupling body so that linear movement of the jaw members toward the end of the inner end taper adjacent an end of the coupling body causes mo... | 05/23/2006 |
| 7028383 | Method for joining and sealing conduits The apparatus for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge trim. The s... | 04/18/2006 |
| 7025393 | Pipe coupler with tongue and groove sealing sleeve A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside to band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the con... | 04/11/2006 |
| 7004511 | Pipe coupling device The pipe coupling device includes a sleeve having an end adapted for receiving a pipe. The end has a sealing cavity defined between the outer surface of the pipe and the interior surface of the sleeve. A sealing gasket is adapted for arrangement within the sealing c... | 02/28/2006 |
| 6983960 | Mechanical joint bell adapter for polyethylene pipe A pipe coupling is shown for coupling adjacent ends of a pair of pipe sections where one of the pipe sections is formed of a polyolefin and the other pipe section is formed of a different material. The coupling includes an adapter formed of a length of pipe having a... | 01/10/2006 |
| 6979027 | Toilet carrier A toilet carrier for supporting a wall-hung toilet can include a smooth pipe nipple that attaches a toilet to a waste pipe. A seal can be formed with the pipe nipple at the waste pipe end using a gasket compression seal, where a gasket is compressed between two oppo... | 12/27/2005 |
| 6974162 | Pipe coupling A coupling assembly for plastic pipes including a nut, a body, a grip-ring, and a seal. The nut can engage the body through appropriate threads and includes a hooked projection having a sloping surface adapted to abut against and provide a force on a corresponding s... | 12/13/2005 |
| 6974160 | Self restraining gasket and pipe joint A restraining element for preventing separation of a pipe joint used to join a bell end of a female plastic pipe to the male end of a mating pipe. The restraining element is formed from a compressible body of elastomeric material, the compressible body having a segm... | 12/13/2005 |
| 6945570 | Self restraining gasket and pipe joint A restraining element for preventing separation of a pipe joint used to join a bell end of a female plastic pipe to the male end of a mating pipe. The restraining element is formed from a compressible body of elastomeric material, the compressible body having a segm... | 09/20/2005 |
| 6773040 | Spacer-less type pipe joint and packing ring used for the same A spacer-less type pipe joint comprises a press ring which has a protruding portion at its outer periphery and is fitted to an outer periphery of one end side of jointed pipe, a joint main body which has a protruding portion opposing the protruding portion of the pr... | 08/10/2004 |
| 6739631 | Torque-limiting bolt-and-nut assembly A torque-limiting bolt-and-nut assembly is provided for actuating a pipe-pressing member in order to secure two pipe ends together. The bolt includes a threaded shank, a secondary drive head, and a shearable drive head designed to be sheared-off by a torque exceedin... | 05/25/2004 |
| 6688652 | Locking device and method for securing telescoped pipe A locking segment for use in connecting two lengths of pipe has a radically extending heel that serves as a rotational brake. By mating the brake into an annular trough, that is, by placing it between two walls, the rotation of the segment can continue on... | 02/10/2004 |
| 6685238 | Method and device for sealed mechanical connection A mechanical joint including a circular seal (4), a gland ring (5), an elastic ring (6) and a back-up ring (7), as well as a body (1), with closure and backing part (2), while the joint can further contain a counterseal as an option, the body can further ... | 02/03/2004 |
| 6641178 | Jointing system for pipes A copper pipe has a circumferential groove formed in an outer wall to receiver an O-ring seal. The groove is formed a pre-set distance from a free end of the pipe. Two pipe lengths are jointed together by a coupling having a housing with pipe seal-receivi... | 11/04/2003 |
| 6533332 | Coupling for connecting a tubular fitting to a pipe The coupling includes a peripheral locking gasket for the pipe, the gasket being elastically deformable from a state in which it has a nominal inside diameter; an outer clamping ring placed on the end of the pipework element and surrounding the gasket; an... | 03/18/2003 |
| 6508491 | Exhaust manifold clamp with vibration disconnecting effects for flange connections in exhaust lines and method of making same A vibration-decoupling flange connection in an exhaust gas pipeline of motor vehicles includes flanges pretensioned by means of a tensioning device with springy means so as at least to swivel and to seal on a position, corresponding to a precalculated pos... | 01/21/2003 |
