| Patents for F16L 21 - Joints with sleeve or socket (9,147) |
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| 07/12/1988 | US4756784 Extruding elastomer through die to produce flexible strip, curing, cutting, forming gasket around pipe by adhering free ends together |
| 06/30/1988 | DE3642880A1 Plug-in seal which is concreted into the socket wall of a pipe |
| 06/28/1988 | US4753461 Coupling for coupling tubular members |
| 06/22/1988 | CN87214992U Joint without thread |
| 06/09/1988 | DE3640690A1 Pipe with a widened, reinforced end, and apparatus for its production |
| 06/02/1988 | WO1988004006A1 Band clamp with oversize bolt holes |
| 05/11/1988 | EP0267067A1 Method and device for quickly coupling a tube or pipe to a rigid joining part |
| 05/10/1988 | US4743422 Method for manufacturing a sealing body for a pipe joint |
| 05/04/1988 | EP0266270A1 Device to tightly fix a tube or hose on a spigot |
| 05/04/1988 | CN87210353U Tube connector |
| 05/03/1988 | US4741560 Seal assembly for connecting two pipe sections |
| 05/03/1988 | CA1236141A1 Pipe joint glands |
| 04/28/1988 | DE3635100A1 Device for plugging together two pipes |
| 04/27/1988 | EP0159997B1 Coupling device for the permanent connection of pipes |
| 04/20/1988 | EP0264207A2 Gasket for segmented pipe couplings |
| 04/19/1988 | CA1235437A1 Weldless high pressure pipe fitting |
| 03/31/1988 | DE3730968A1 Verriegelbare rohrverbindung Lockable pipe connection |
| 03/31/1988 | DE3632164A1 Sealing sleeve |
| 03/24/1988 | DE3631265A1 Plug-in seal for socket pipes |
| 03/24/1988 | DE3631027A1 Pipe connection |
| 03/16/1988 | EP0259483A1 Clamp |
| 03/09/1988 | EP0259145A2 Fire resistant seal |
| 03/08/1988 | US4729582 Pipe coupling |
| 02/24/1988 | CN87200335U Movable joint for tubes |
| 02/23/1988 | US4726611 Flexible pipe coupling |
| 02/16/1988 | US4725082 Coupling |
| 02/10/1988 | EP0120938B1 Clamping and high pressure containment devices |
| 02/10/1988 | CN86210919U Double-insurance sealing quick opening joint |
| 02/10/1988 | CN86205232U Joint for quick connecting pipe |
| 02/03/1988 | CN87200426U Pipe joint with tooth outline cone |
| 01/26/1988 | US4721330 For the compression of a sealing gasket |
| 01/12/1988 | US4718701 Pipe coupling apparatus with split ring and clamps |
| 12/29/1987 | US4715626 Clamping sleeve with a clamping screw |
| 12/29/1987 | CA1230903A2 Flexible conduit system |
| 12/22/1987 | US4714578 Molding of integral socket connection in centrifugally cast fiberglass reinforced pipe |
| 11/17/1987 | US4706529 A method of making a clamping ring for use in a pipe joint |
| 11/11/1987 | CN86209050U Pipes connector without threading |
| 11/07/1987 | CN86208703U Sliding-sleeve pipe connector |
| 11/03/1987 | US4703940 Joint sleeve for pipe with contoured inner surface |
| 10/28/1987 | EP0243331A2 A mould and sealing ring |
| 10/27/1987 | US4702500 Fire resistant seal |
| 10/22/1987 | WO1987006322A1 Coupling for coupling tubular members |
| 10/15/1987 | DE3626289C1 Pipe coupling and process for producing a securing device for this pipe coupling |
| 10/14/1987 | EP0240646A1 Clamp |
| 10/13/1987 | US4699405 Coupling for coupling tubular members |
| 09/30/1987 | CN87102169A Jointing disposition between tubes having male end and sleeve |
| 09/29/1987 | CA1227511A1 Tubular joint |
| 09/24/1987 | WO1987005678A1 Clamp |
| 09/23/1987 | EP0238431A1 Connecting device between pipes having a male and a female part |
| 09/23/1987 | EP0145781B1 Means for sealing the gap between two axially displaceable sealing surfaces |
| 09/23/1987 | CN86208027U Union joint |
| 09/15/1987 | US4693501 Refrigeration tubing joint |
| 09/09/1987 | EP0235818A1 Coupling socket protected against shearing |
| 09/08/1987 | US4691945 Conduit couplings |
| 09/01/1987 | US4690414 Means for sealing the gap between two axially displaceable sealing surfaces |
| 08/19/1987 | EP0232860A1 Pipe coupling |
| 08/19/1987 | EP0232671A1 Gasket for the junction of two pipe units, one with plain end, the other with socket |
| 08/19/1987 | EP0107707B1 High-pressure fire-resistant metal seal |
| 08/11/1987 | US4685708 Axially restrained pipe joint with improved locking ring structure |
| 08/05/1987 | CN86205440U Tube union without screw |
| 08/05/1987 | CN86104548A Tubular article |
| 07/23/1987 | DE3601757A1 Flexible sliding seal |
| 07/23/1987 | DE3601756A1 Sealing arrangement for structural parts |
| 07/21/1987 | US4680923 Composite twine structure |
| 07/14/1987 | US4679830 Tube coupling |
| 07/14/1987 | CA1224229A1 Self-adjusting pipe clamp and coupling |
| 07/07/1987 | US4678211 Joints formed with welded flange pipes |
| 07/07/1987 | US4678208 Gasket for segmented pipe couplings |
| 07/07/1987 | CA1223910A1 Pipe joint coupling |
| 07/01/1987 | EP0227408A2 Fluid flow conduit systems |
| 06/16/1987 | US4673198 Sewer pipes |
| 06/16/1987 | EP0225353A1 Ring-shaped flat gaskets for propulsive pipes |
| 06/11/1987 | DE3543438A1 Device for fastening joint seals on structural parts |
| 06/11/1987 | DE3542802A1 Plug-in sleeve seal for pipes |
| 06/10/1987 | CN86202811U Cast-iron bend linking up plastics tube with other tubes |
| 06/04/1987 | DE3542427A1 Socketed-pipe connection |
| 06/04/1987 | DE3541837A1 Plug collar sealing insert |
| 05/26/1987 | US4667505 Split fittings and pipeline systems using same |
| 05/14/1987 | DE3539595A1 Sealing rings having an insert of water-swellable plastic |
| 05/12/1987 | US4664428 Sealing assembly for pipe joint |
| 05/12/1987 | US4664426 Retainer ring for coupling together water supply pipes or the like |
| 05/12/1987 | US4664422 Pipe coupling |
| 05/05/1987 | US4662663 Tubular member for underwater connection having volume |
| 05/05/1987 | US4662662 Determining the weight of a moving load on the load receiving member |
| 05/05/1987 | US4662660 Weldless high-pressure pipe fitting |
| 04/28/1987 | US4660862 Pipe lap joint with improved pull-apart strength |
| 04/21/1987 | US4659870 Socket-less pipe joints |
| 04/14/1987 | US4657288 Clamping ring for use in a pipe joint |
| 04/14/1987 | US4657287 Grooved connector |
| 04/14/1987 | US4657286 Tube couplings |
| 03/24/1987 | US4652023 Repair coupler |
| 03/17/1987 | CA1219228A1 Fluid flow conduit systems |
| 03/10/1987 | US4648633 For two pipeline elements |
| 03/04/1987 | EP0212851A2 Protection of cables and pipes |
| 03/04/1987 | EP0212763A2 Means for sealing the gap between two axially displaceable sealing surfaces |
| 03/03/1987 | US4647083 Separation preventive pipe joint |
| 02/25/1987 | EP0211158A1 Pipe coupling |
| 02/25/1987 | EP0211003A1 Device for connecting vascular members |
| 02/24/1987 | US4645243 Insulated iron pipe joint |
| 02/24/1987 | CA1218394A1 Grooved connector |