| 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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| 07/10/1990 | US4940259 Swivel lug pipe joint connections |
| 07/05/1990 | DE3844295A1 Connection unit and process for the production of a connection unit |
| 07/04/1990 | EP0376773A2 Device for detecting the variations of the physical state of the thermoplastic material of a socket for joining pipes during welding |
| 07/04/1990 | EP0375868A1 Pipe joint |
| 07/04/1990 | EP0375681A1 Multiple fluid path junction device. |
| 06/27/1990 | EP0375577A1 Sealing joint for conduits, especially in concrete, and pipe provided with such a joint |
| 06/26/1990 | CA1270612A1 Method of manufacturing heat-weldable thermoplastic fittings |
| 06/12/1990 | US4933037 Method of producing a molded connection piece, in particular a boring saddle |
| 06/12/1990 | US4932114 Method of making a rotating adapter for catheters |
| 06/05/1990 | US4931119 Method for making a reinforced thermosetting resin structure with integral unflanged nozzle |
| 06/05/1990 | US4931116 Heat-recoverable coupler |
| 05/30/1990 | CN1008203B Method for coupling two plastic constructive parts |
| 05/29/1990 | US4929817 For connecting plastic pipes with each other |
| 05/29/1990 | US4929408 Method of locating an electrical conductor between a first extruded tube and an extruded lining |
| 05/29/1990 | CA1269625A1 Plastic pipe with integral end connection and method for joining |
| 05/22/1990 | US4927476 Method for making a reinforced thermosetting resin structure with integral flanged nozzle |
| 05/22/1990 | US4927184 Pipes base on polyolefin resin for manufacturing pipelines and couplings for assembling them |
| 05/22/1990 | US4927183 Adapting piece of thermoplastic material |
| 05/08/1990 | CA1268719A1 Tubular article |
| 05/02/1990 | EP0365821A1 Pipe joint made of resin |
| 05/01/1990 | US4921648 Method of joining an article comprising a conductive polymer composition to a polymeric substrate |
| 04/19/1990 | DE3901929A1 Process and apparatus for welding plastic pipes |
| 04/17/1990 | US4917407 Plastic part provided with a metal threaded element |
| 04/11/1990 | CN1041128A Plastic pipe body of thermoplastic material connected with sealing body of thermoplastic elastomer, pipe part or fitting connected with such plastic pipe body and method and mould for manufacturing |
| 04/10/1990 | US4915990 Sealing cable splice; encapsulation in stretch sheet of a curable elastomer and curing |
| 04/10/1990 | US4915425 Pipe connecting element |
| 04/10/1990 | US4915417 Thermally assembled conduitry |
| 04/04/1990 | EP0361639A2 Bar-like molding made of fiber-reinforced plastic material and method of manufacturing the same |
| 04/03/1990 | US4913183 Thermo plastic carbonated water manifold and method of making same |
| 03/29/1990 | DE3832733A1 Pipe connector |
| 03/28/1990 | EP0360312A1 Branching connection |
| 03/27/1990 | CA1267175A1 Joint for connecting a spigot to the bell of a pipe or coupling |
| 03/22/1990 | WO1990002902A1 A device and a method of providing a joint between two components and the use of such a joint |
| 03/13/1990 | US4907749 Coupling |
| 03/07/1990 | EP0357551A1 Plastic profile for tubings |
| 03/06/1990 | US4906427 Assembly for covering an object |
| 03/06/1990 | US4906313 Fusion weld method and assembly for forming a fusion welded joint between pipe sections |
| 03/06/1990 | US4905766 Adapter for plastic pipe |
| 02/28/1990 | EP0356364A1 Coupling especially for plastic pipes |
| 02/28/1990 | CN1007005B Modeled drilling joint for connecting branch line to pipe |
| 02/27/1990 | US4903999 Clamp for securing a flexible hose to a water pipe for poultry, small animals and like watering systems |
| 02/27/1990 | US4903397 Process for producing a heating element |
| 02/13/1990 | US4900072 Fiber-reinforced pipe flange |
| 02/07/1990 | EP0353912A2 Heat fusion pipe fitting system |
| 02/06/1990 | US4898705 Method for producing synthetic resin union joint |
| 01/30/1990 | US4896904 Heat shrinkable device with adhesive barrier for connecting elongate objects |
| 01/24/1990 | EP0352128A2 Electrofusion socket with fusion state indicating means |
| 01/16/1990 | US4894521 Electric heating element for fusing thermoplastic materials |
| 01/16/1990 | US4893658 FRP pipe with threaded ends |
| 01/11/1990 | WO1990000236A1 Composite thread coupling for reinforced pipe |
| 01/10/1990 | EP0349745A1 Luer lock-type connector |
| 12/28/1989 | WO1989012545A1 Methods and devices which make use of conductive polymers to join articles |
| 12/27/1989 | CN1006246B Molded tapping member formed of a weldable plastics material |
| 12/27/1989 | CN1006245B Float for actuation of pipe and its mfg. method |
| 12/27/1989 | CA1264010A1 Process for connecting of hollow section bodies with molded bodies made of thermoplastic |
| 12/13/1989 | EP0253966B1 Moulding of a thermoplastic material |
| 12/07/1989 | DE3818582A1 Connecting element for the air-tight and fluid-tight connection of polygonal, in particular square, plastic pipes |
| 12/06/1989 | EP0344217A1 Connections for tubes made of composite materials. |
| 12/05/1989 | CA1263677A1 Coupling device with hinged retaining catches |
| 11/30/1989 | DE3817442A1 Clamp-free pipeline connection |
| 11/29/1989 | EP0343757A2 Method of joining substrates |
| 11/29/1989 | EP0343251A1 Electrofusion joint |
| 11/28/1989 | CA1263425A1 Plastic encased gasket |
| 11/28/1989 | CA1263423A1 Molded tapping fitting for connecting a branch line to a pipeline |
| 11/28/1989 | CA1263422A1 Molded tapping member formed of a weldable plastics material |
| 11/22/1989 | CN1037385A Pipe clamping joint |
| 11/15/1989 | EP0341494A2 Process of manufacturing a branch pipe having a saddle piece |
| 11/07/1989 | US4878697 Compression coupling for plastic pipe |
| 11/02/1989 | EP0340110A1 Connecting device for pipelines made of plastic |
| 11/02/1989 | DE3814779A1 Arrangement for sheathing a substrate having a branching part |
| 10/24/1989 | US4875717 End connectors for filament wound tubes |
| 10/24/1989 | US4875714 Plastic pipe with locking integral end connection |
| 10/24/1989 | US4875710 Abrasive threaded fiberglass pipe joint |
| 10/19/1989 | DE3808734C1 Plastic fitting |
| 10/18/1989 | EP0337037A1 Tubes made of polyolefin resin for the realization of canalisations, sleeve tubes for their joining and method for their manufacture |
| 10/04/1989 | EP0335109A1 Method for making a heating element |
| 09/26/1989 | US4869533 Fitting of weldable thermoplastic material |
| 09/26/1989 | US4868967 Doubled-walled covering filled with a friction-reducing liquid to revolve and slide over a substrate; cable and pipe weatherproofing protection |
| 09/26/1989 | CA1261897A1 Connector assembly for fiber-reinforced plastic pipe members |
| 09/26/1989 | CA1260981A1 Flange connection assembly for fiber-reinforced plastic pipe members |
| 09/26/1989 | CA1260663A1 Electrofusion coupler |
| 09/26/1989 | CA1260413A1 Thermoplastic pipe joints |
| 09/26/1989 | CA1260033A1 Gasket incorporating implants for interfitting pipes |
| 09/21/1989 | DE3808229A1 Sleeve for welding plastic pipes and profiles |
| 09/21/1989 | DE3808228A1 Sleeve for welding plastic pipes and profiles |
| 09/12/1989 | US4865890 Shrinkable elastomeric sleeve |
| 09/12/1989 | US4865674 Method of connecting two thermoplastic pipes using a barbed metal welding sleeve |
| 09/12/1989 | US4865356 Composite material tubular member joint |
| 09/06/1989 | EP0331081A2 Boring apparatus |
| 08/29/1989 | US4860799 Closure for wraparound sleeve |
| 08/24/1989 | DE3903551A1 Connecting part of a pipeline coupling |
| 08/16/1989 | EP0328367A2 Duct seal |
| 08/10/1989 | WO1989007221A1 Clamping joint for pipes |
| 08/10/1989 | DE3802899A1 Pipe-clamping connection |
| 08/09/1989 | EP0327080A1 Pipe coupling |
| 08/09/1989 | EP0326719A1 A sealing ring and a mould for manufacturing the ring |
| 08/08/1989 | US4855574 Welding sleeve with connecting means having an upper and lower part |
| 08/08/1989 | US4854613 Composite connecting member for hydraulic fluid lines |
| 08/01/1989 | US4853165 Method of using heat-recoverable articles comprising conductive polymer compositions |
| 08/01/1989 | US4852914 Plastic pipeline having rapidly fusible joints and method of making same |