B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/00 (2006.01) B29C 45/17 (2006.01) B29C 45/26 (2006.01) B29C 49/06 (2006.01)
Patent
CA 2079317
Disclosed is an injection-molded hollow article having large hollow portions 1 which securely provide the strength required by the injection-molded hollow article without depending upon ribs as more solid remaining portions being unstable in position and size. A melted resin and pressurized fluid are injected under pressure into a metal mold cavity 4, a movable core 5 projected into the metal mold cavity 4 is moved and then a support portion 2 is formed at the position from which the movable core 5 is moved. The position and size of the support portion 2 can be determined by selecting the position and size of the movable core 5.
Pièce à corps creux moulée par injection comportant d'importantes parties creuses 1 qui fournissent la résistance nécessaire à la pièce à corps creux moulée par injection sans dépendre de nervures, les parties restantes plus solides variant en position et en taille. On injecte sous pression une résine fondue et un fluide pressurisé dans la cavité d'un moule métallique 4, on déplace un tiroir 5 en saillie dans la cavité du moule métallique 4, ce qui permet de former une pièce de soutien 2 à la position à partir de laquelle le tiroir 5 est déplacé. La position et la taille de la pièce de soutien 2 peuvent être déterminées en choisissant la position et la taille du tiroir 5.
Horikoshi Maki
Nishiura Keiji
Tanaka Yuji
Asahi Kasei Kogyo Kabushiki Kaisha
Goudreau Gage Dubuc
LandOfFree
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