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