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)
02/1982
02/23/1982US4316870 End capping
02/17/1982EP0045757A1 Method for joining plastics pipes.
02/16/1982US4315630 Sealing ring for spigot and socket pipe joint
02/10/1982EP0045629A1 Device for and method of internal pipeline protection
02/09/1982CA1118011A1 Sleeve made from thermoplastic material for joining thermoplastic line elements
02/03/1982EP0045213A1 Heat recoverable article and process for producing the same
02/03/1982EP0045212A2 Heat-recoverable article and process for producing the same
02/02/1982US4313627 Pipe part with a displaceable abutment edge
02/02/1982CA1117688A1 Method for joining heat-recoverable sheet material
01/1982
01/20/1982EP0014712B1 Welding sleeve of thermoplastic material
01/12/1982US4310184 Polyolefin pipe connector sleeve
01/12/1982US4310182 Internal couplings for plastic solar collectors and the like
01/12/1982US4309807 Method of making composite connector and using same
01/06/1982EP0042885A1 Gas house connection device
12/1981
12/30/1981EP0042550A2 Method and apparatus for forming fiber reinforced coupling sleeves and product thereof
12/23/1981EP0042262A1 Pleated recoverable material
12/22/1981CA1114729A1 Process for producing thick reinforced plastic articles
12/08/1981US4304415 Packing ring for ribbed conduits
12/02/1981EP0040791A1 House-inlet for medium conduits, especially for gas and water conduits
12/01/1981US4303458 Method of joining conduits with a connecting piece and connecting piece for use in the method
11/1981
11/17/1981CA1112682A1 Heat shrinkable sleeve for coupling pipe sections
11/10/1981US4299412 Production of socket ends in thermoplastic pipes
11/03/1981US4298415 Branch-off method
11/03/1981CA1111839A1 Tube mat heat exchanger
10/1981
10/28/1981EP0038659A1 Heat-shrinkable cover sheet
10/27/1981US4296955 Composite coupling device with high recovery driver
10/27/1981US4296949 Rotatable connecting device for I.V. administration set
10/20/1981US4295668 Adapter for connecting plastic pipe system to cast iron pipe system
10/13/1981US4294470 In-line tube junctions
10/07/1981EP0036963A1 Welding socket for thermoplastic materials, method and apparatus for its manufacture
10/06/1981US4293149 Rapid coupling for plastic pipes
10/06/1981US4293147 Method and apparatus for securing a pipe to a fitting
09/1981
09/29/1981US4291903 Connector for tubing
09/22/1981US4290836 Method of making composite pipe having an integral bell end
09/22/1981US4290456 Thermoplastic pipe stub end
09/16/1981EP0035750A2 Weld joint for thermoplastic pipes
09/15/1981US4289168 Method for making pipe of fabric impregnated with resin
09/08/1981US4288107 Termination construction of a cable comprised of bundled tubes
09/03/1981WO1981002459A1 Method for joining plastics pipes
09/01/1981CA1108071A1 Composite pipe having an integral bell end
08/1981
08/26/1981EP0034500A1 Closure assembly for a recoverable wrap-around sleeve
08/18/1981US4284297 Meter riser
08/18/1981CA1107318A1 Pipe joint and method of assembly
08/11/1981US4283239 Bracing method
08/04/1981US4281856 Wet-dry cementable coupling for plastic pipe
07/1981
07/21/1981US4279435 Gas riser apparatus
07/15/1981EP0031978A1 Method for installing a sealing body in a groove of a socket and pipe part of plastics material
07/08/1981EP0031620A2 Method for uniting a plastics fixation part attachable to an end portion of a pipe part with a sealing body, plastics fixation part, plastics pipe provided with said fixation part and apparatus for moulding a fixation part
07/07/1981US4276909 Heat-recoverable wrap-around devices
06/1981
06/30/1981US4275909 Flexible plastic pipe joint
06/23/1981US4274662 Pyrotechnical welding sleeve connector for the joining of molded components, especially pipes, of a thermoplastic synthetic resin
06/10/1981EP0030062A1 A pipe part and a resilient sealing body therefor
06/10/1981EP0029904A2 Insertable-pipe connection with ring sealing
06/02/1981US4270596 Tube mat heat exchanger
05/1981
05/26/1981CA1101905A1 Coupling pipes
05/26/1981CA1101904A1 Flexible plastic pipe joint
05/19/1981US4268559 Heat-shrinkable article
05/19/1981US4268329 Process for preparing a hermetically sealed assembly
05/19/1981US4268041 Sealing device and method
05/19/1981US4267863 Tube reinforced with a synthetic material
05/12/1981US4266997 Method of coupling plastic pipes by welding
05/12/1981US4266815 Connectors
05/12/1981US4266576 Flow control device in a protective housing
05/05/1981US4265280 Connector member for sealed conduits
04/1981
04/28/1981CA1100156A1 Sealing device and method
04/14/1981CA1099310A1 Bell end of a bell and spigot joint and method of making the same
04/08/1981EP0026536A2 Plastics pipe part comprising a self-centering retaining member
04/08/1981EP0026191A1 Method for joining together thermoplastics pipes and pipe fittings.
04/07/1981US4260445 Lamination, scattering fibers, two-step curing, thermosetting resin
04/07/1981US4260094 Method of interconnecting several parts, such as a piece of tubing and a plate, a tube or similar body
04/07/1981CA1098931A1 Filament wound pipe coupling and method of and apparatus for making same
04/07/1981CA1098813A1 Sealing and insulating article and method
03/1981
03/31/1981US4258943 Fluid line connection device
03/31/1981US4258941 Service clamp for plastic pipe or the like
03/31/1981US4258936 Coupling
03/31/1981US4258935 Bell end of a bell and spigot joint
03/31/1981US4258742 Tapping apparatus
03/17/1981US4256525 Method of forming a fitment for a vessel
03/17/1981US4256334 Union for tubes having a smooth end
03/17/1981US4256333 Solvent-bonded joint
03/05/1981WO1981000662A1 Electric heating material and method of manufacturing the same
03/03/1981US4253686 Pipe coupling useful at high fluid pressures
03/03/1981CA1096786A1 Molded resin pipe joint and process for production thereof
02/1981
02/25/1981EP0024179A1 Electrical heating element and process for preparation thereof
02/24/1981US4252849 Heat shrinkable covers
02/24/1981US4252349 High pressure plastic pipe coupling
02/11/1981EP0023788A1 Arrangement and method for covering elongate substrates
02/04/1981EP0023418A1 Jacket for wrapping around a pipe, cable or the like
02/03/1981US4248460 Plastic pipe fitting
01/1981
01/27/1981US4246687 Branch-off method
01/27/1981CA1094278A1 Method and apparatus to form a bell end in a plastic pipe
01/20/1981US4245674 Protective cover for a thermoresponsive tube
01/06/1981US4243457 Method of molding pipe joints of reinforced resin
12/1980
12/30/1980CA1092621A1 Pas de traduction disponible
12/23/1980US4241119 Dimensionally heat-unstable products
12/23/1980US4240470 Composite pipe having an integral bell end
12/16/1980CA1091719A1 Plastics pipe couplings
12/09/1980US4238131 Flushing T for heater hose
12/02/1980US4237174 Wrap-around devices
12/02/1980US4236953 Process for producing thermoplastic multi-walled pipes
1 ... 67 68 69 70 71 72 73 74 75 76 77 78 79 80