F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 47/26 (2006.01) B29C 65/02 (2006.01) B29D 23/00 (2006.01)
Patent
CA 2484763
A method of forming a branch in a pipe made of polymeric material that allows a joint to another pipe to be formed at the branch.The method comprises the following steps: - making a hole in the wall of a pipe of polymeric material - heating the pipe surface by means of a liquid softening the polymeric material in a highly localised manner. - pulling a cylindrical former or pin having a conical nose through the softened material to deform the pipe wall against a mould or collar to thus form a homogenous branch.A system for carrying out the method is also disclosed.
Cette invention se rapporte à un procédé servant à former une ramification dans un tuyau en matériau polymère et permettant de former au niveau de la ramification un joint avec un autre tuyau. Ce procédé comprend les étapes suivantes: pratiquer un trou dans la paroi du tuyau en matériau polymère, chauffer la surface du tuyau au moyen d'un liquide qui ramollit le matériau polymère de façon fortement localisée, et introduire par traction une forme ou une tige cylindrique présentant un bout conique dans le matériau ainsi ramolli, pour déformer la paroi du tuyau contre un moule ou une bride, afin de former une ramification homogène. Un système de réalisation de ce procédé est également décrit.
Mccarthy Tetrault Llp
Oy Kwh Pipe Ab
LandOfFree
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