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