F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 47/03 (2006.01) B29C 65/02 (2006.01)
Patent
CA 2598303
A method for joining a multi-layered pipe (37) to a coupling (35) , the multi- layered pipe (37) including at least an outer (1) and an inner (5) layer of thermoplastic material and a core layer (3) of metal or other conductive material, the coupling (35) comprising a thermoplastic material, the method comprising; providing a coupling (35) including a recess (R) for receiving an end of a multi-layered pipe (37) , the recess (R) being configured, in use, to permit the coupling (35) to contact the inner (5) and outermost (1) layers of a multi-layered pipe (37) received in the recess (R) ; fitting an end of the multi-layered pipe (37) into the recess (R) of the coupling (35) ; introducing heat to both the coupling (35) sufficient to cause local melting at the interface between the coupling (35) and either the inner layer (5) alone or both the inner (5) and outer (1) layers of the multi-layered pipe (37) .
L'invention concerne un procédé pour assembler un tuyau multicouche (37) avec un raccord (35), le tuyau multicouche comprenant au moins une couche externe (1) et une couche externe (5) de matériau thermoplastique, et le raccord (35) comportant au moins un matériau thermoplastique. Le procédé selon l'invention consiste : à fournir un raccord (35) qui comporte un creux (R) destiné à accueillir une extrémité d'un tuyau multicouche (37), ce creux (R) étant configuré, lors de l'utilisation, pour permettre au raccord de toucher les couches interne (5) et externe (1) du tuyau multicouche (37) se trouvant dans le creux (R) ; à fixer une extrémité du tuyau multicouche (37) dans le creux (R) du raccord (35) ; à fournir suffisamment de chaleur au raccord (35) pour engendrer une fusion locale au niveau de l'interface entre le raccord (35) et la couche interne (5) seule, ou entre le raccord (35) et les couches interne (5) et externe (1) du tuyau multicouche (37).
Bull Michael
Lilley Graham
Roberts-Moore Paul Clive
Glynwed Pipe Systems Ltd
Robic
LandOfFree
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