| Patents for F16L 47 - Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics (7,981) |
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| 07/27/1989 | DE3800711A1 Transition coupling between a plastic pipe and a metal pipe, in particular in gas lines |
| 07/26/1989 | CN1034255A Pipe joint element |
| 07/25/1989 | US4851647 Process for welding butt-jointed plastic tubes and welding device for performing the process |
| 07/13/1989 | DE3744632A1 Connection for drainage pipes |
| 07/12/1989 | EP0323793A1 Method for connecting plastic pipes |
| 07/11/1989 | US4845819 Method for coupling two plastic constructive parts used in valve, joint and pipe devices |
| 07/05/1989 | EP0323387A1 T-joint for pipes |
| 07/05/1989 | EP0322508A1 Pipe joint element |
| 07/04/1989 | CA1256663A1 Heat-fusion pipe fitting system |
| 06/29/1989 | WO1989005721A1 Method for manufacturing a composite seal, pipe part provided with such a seal and also a pipe connection comprising such a composite seal |
| 06/27/1989 | US4842548 Plastic conduit connector for flexible conduit |
| 06/27/1989 | US4842305 Pipe joint connecting plastic pipes and process of making such joint |
| 06/13/1989 | US4838491 Coupling |
| 06/06/1989 | CA1255239A1 Tubular article |
| 05/30/1989 | US4834430 Pipe socket insert |
| 05/30/1989 | US4834398 Pipe gasket |
| 05/16/1989 | US4830410 Pipe connecting member of plastics material |
| 05/16/1989 | US4830409 Composite pipe coupling |
| 05/05/1989 | WO1989003956A1 Tube joint |
| 05/05/1989 | WO1989003955A1 Electrofusion joint |
| 05/03/1989 | EP0314225A2 A pipe socket and a method of forming a pipe socket |
| 05/02/1989 | US4825534 Method of manufacturing heat-weldable thermoplastic fittings |
| 04/26/1989 | EP0313543A1 Joining piece for the connection of a metallic fitting on a plastic pipe carrying liquids |
| 04/19/1989 | EP0312023A2 Method for fixing a connecting piece to a product made of a composite material, and a connecting piece used in the method |
| 04/19/1989 | EP0311635A1 Method of joining tubes having a corrugated wall of plastic material. |
| 04/18/1989 | US4822080 Rotatably adjustable pipe joint/coupling seal |
| 04/12/1989 | EP0311296A1 Pipe couplings |
| 04/11/1989 | US4820561 Recoverable article for encapsulation |
| 04/06/1989 | DE3731222A1 Pipe screw-connection for pipe connections or the like, in particular for the construction work of heating systems |
| 03/30/1989 | DE3731003A1 Process for joining together double pipelines which are straight-running in different directions and are made in particular of thermoplastic and device for joint heating of conduit parts, to be joined together according to the process and made of thermoplastic, of double pipelines |
| 03/23/1989 | DE3828971A1 Sealing ring for sealing glass-fibre-reinforced-plastic pipes |
| 03/22/1989 | EP0307531A1 Sealing fittings for fluids |
| 03/21/1989 | US4813715 End connectors for filament wound tubes |
| 03/21/1989 | US4813457 Flanged pipe part made of fiber-reinforced thermosetting synthetic resin with protective layer preventing crack formation in an angular intersection |
| 03/15/1989 | EP0307199A2 Heat recoverable article |
| 03/15/1989 | EP0306770A1 Sticking joint for compressed air lines out of plastic |
| 03/15/1989 | EP0306689A1 Gas and fluid tight connection |
| 03/15/1989 | EP0306554A1 Bonding system |
| 03/14/1989 | US4811957 Device for accomplishing at least a liquid tight joint and a method for manufacturing such a device |
| 03/08/1989 | EP0305462A1 Device for bonding tubular plastic parts. |
| 03/07/1989 | US4809735 Valve and tapping tee apparatus and method |
| 03/07/1989 | US4809418 Apparatus for applying a coupling connector to a plastic liquid-conveying member |
| 03/01/1989 | EP0184658B1 Pipe element, in particular a saddle |
| 02/28/1989 | US4807912 Pipe coupling |
| 02/22/1989 | EP0304290A1 Moulding of plastics material |
| 02/22/1989 | EP0303909A2 Method of manufacturing an electrofusion coupler |
| 02/21/1989 | US4806181 Method for moulding a thermoplastics member with a fusion pad |
| 02/09/1989 | DE3810097C1 Transition piece |
| 02/08/1989 | EP0302185A2 Apparatus for applying pressure during the manufacture of a welded joint between the extremities of two thermoplastic pipes |
| 02/07/1989 | US4803103 Recoverable article |
| 02/01/1989 | EP0301864A1 Electrofusion joint |
| 01/25/1989 | EP0300795A1 Adaptor for pressure testing |
| 01/03/1989 | CA1247824A1 Fibre reinforced polymeric article |
| 12/27/1988 | US4793638 Plastic pipe to metal pipe fitting |
| 12/20/1988 | US4792374 Apparatus for fusion joining plastic pipe |
| 12/15/1988 | WO1988009898A1 Connections for tubes made of composite materials |
| 12/15/1988 | DE3744693A1 Valve drilling clamp |
| 12/13/1988 | US4790573 Sealing system between a metal insert and plastic coupling, and resulting product |
| 12/07/1988 | EP0294008A2 An induction weldable socket and a process and apparatus for manufacturing such a socket and a process for connecting said socket to a penetrating pipe part |
| 11/30/1988 | EP0292998A1 Pipe with threaded ends |
| 11/15/1988 | US4784412 Molded fluid conduit fitting with integral swivel nut |
| 11/15/1988 | US4784409 Tubular connection construction |
| 11/15/1988 | US4784185 Pipe for gases and liquid with screw flange |
| 11/09/1988 | EP0289831A1 Connection piece made of plastics |
| 11/08/1988 | US4783353 Recoverable article |
| 11/08/1988 | CA1244503A1 Tube coupling |
| 11/02/1988 | CN88101847A Apparatus and method for fusion joining plastic pipe |
| 10/25/1988 | US4779902 Plastic pipe with integral end connection |
| 10/19/1988 | EP0286718A2 Thermoplastic band for covering a welding zone and method for its fabrication |
| 10/19/1988 | EP0058175B1 Electric fusion pipe fittings |
| 10/18/1988 | US4778981 Electrically weldable sleeve for joining thermoplastic pipeline parts |
| 10/18/1988 | US4778204 Pipeline connector for plastic instruments |
| 10/18/1988 | US4778202 Tubular component made out of quartz glass with a flange |
| 10/13/1988 | DE3712355A1 Thermoplastic band for covering a joint and process for the production thereof |
| 10/06/1988 | DE3709605A1 Pipe plug-in connection |
| 10/06/1988 | DE3708705A1 Verfahren und vorrichtung zum verschweissen rohrfoermiger kunststoffteile Method and device for weld rohrfoermiger plastic parts |
| 10/05/1988 | EP0284834A2 Apparatus and method for welding plastic tubular elements |
| 10/04/1988 | US4775501 Fusion using electricity |
| 09/28/1988 | EP0283478A1 Polyethylene pipe with integrated heating resistance for connection by electric welding |
| 09/27/1988 | US4773956 Process for connecting bodies having hollow sections to molded bodies made of thermoplastic |
| 09/27/1988 | CA1242399A1 Fusion pad |
| 09/22/1988 | WO1988006966A1 Process and device for bonding tubular plastic parts |
| 09/22/1988 | WO1988006901A1 Multiple fluid path junction device |
| 09/15/1988 | DE3707341A1 Connection member for pipe ends |
| 09/13/1988 | US4770442 Electroweld fitting or electroweld collar |
| 09/07/1988 | EP0281353A2 Method of, and elastomeric composition for protecting a substrate |
| 09/06/1988 | CA1241679A1 Pipe joint |
| 08/25/1988 | DE3703948A1 Sealing arrangement for valves |
| 08/24/1988 | CN88100633A Method and apparatus for making welded joint made of plastic |
| 08/17/1988 | EP0278553A1 Welding sleeve made of thermoplastic and method for forming a welding sleeve of this type |
| 08/10/1988 | EP0277575A1 Pipe coupling |
| 08/02/1988 | US4761193 Recoverable article for encapsulation |
| 08/02/1988 | US4761024 Clamp assembly |
| 07/28/1988 | DE3701196A1 Process and device for welding a branch onto a pipeline |
| 07/27/1988 | EP0191023B1 Tubular quartz-glass element with a flange |
| 07/20/1988 | EP0139712B1 Method for assembling a plurality of members, particularly connection members for fluid connectors |
| 07/06/1988 | EP0273224A1 Method of making a hollow pressure vessel around an elongate substrate |
| 07/05/1988 | US4755406 Having sleeve to lock male and female end pieces together while engaging stop portion seals and circumferential winding |
| 07/05/1988 | CA1238758A1 Recoverable article |
| 07/05/1988 | CA1238757A1 Method of bonding plastic pipes |