B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 35/16 (2006.01) B29C 45/72 (2006.01)
Patent
CA 2596979
A cooling tube assembly for operating on a malleable molded plastic part. The cooling tube assembly comprising a porous tube/insert having a profiled inner conditioning surface, and a vacuum structure configured to cooperate with the porous tube. In use, the vacuum develops a reduced pressure adjacent the inner conditioning surface to cause an outer surface of the malleable molded plastic part, locatable within the cooling tube assembly, to contact the inner conditioning surface of the porous insert so as to allow a substantial portion of the outer surface of the malleable part, upon cooling, to attain a profile substantially corresponding to the profile of the inner conditioning surface. The cooling tube assembly having a simplified cooling structure that includes a cooling channel configured on the porous insert, the surface of which include a surface treatment for a sealing thereof to substantially avoid a leakage of coolant therethrough.
L'invention concerne un groupe opérant sur une pièce en plastique moulée malléable. Un groupe de refroidissement de tuyau comprend un tube poreux possédant une surface intérieure profilée de conditionnement et une structure de vide configurée pour coopérer avec le tubage poreux. En fonction, le vide crée une pression réduite au voisinage de la surface externe de la pièce de plastique moulée malléable, placée pour contacter la surface de conditionnement interne de manière à permettre à une partie significative de la surface extérieure de la partie malléable d'atteindre un profil pratiquement correspondant au profil de la surface de conditionnement interne lors du refroidissement. Le groupe de tuyautage de refroidissement possède une structure de refroidissement simplifiée comprenant un canal de refroidissement dont la surface comporte un composé de traitement de surface pour le scellage dudit canal, ceci afin d'éviter les fuites de liquide de refroidissement par ladite structure de refroidissement.
Ansari Omeir Shahid
Neter Witold
Romanski Zbigniew
Husky Injection Molding Systems Ltd.
Husky Intellectual Property Services
LandOfFree
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