Enclosed area on a blow molded article and method of making...

Details Enclosed area on a blow molded article and method of making... Enclosed area on a blow molded article and method of making...

B - Operations, Transporting

29

C

B29C 49/20 (2006.01) B29C 49/54 (2006.01) B29C 49/04 (2006.01) B29C 49/48 (2006.01) B29C 49/50 (2006.01) B29C 49/62 (2006.01)

Patent

CA 2442933

A blow molded article is disclosed. The blow molded article includes a body (12) defining a cavity (14), and a wall (24) integrally-formed with the body and defining at least in part, an enclosure. A method of making a blow molded article is also disclosed. The method comprises supplying a preform to a mold having a first cavity and a second cavity, the first cavity having a pin, closing the mold, supplying a fluid to the closed mold, expanding a first portion and a second portion of the preform around the pin, and contacting the first portion and the second portion to provide the enclosure.

L'invention concerne un article moulé par soufflage, qui comprend un corps (12) définissant une cavité (14), et une paroi (24) formée d'une seule pièce avec le corps et définissant, du moins partiellement, une enceinte. L'invention concerne un procédé de fabrication de l'article moulé par soufflage, qui consiste à présenter une préforme à un moule pourvu d'une première et d'une seconde cavités, la première cavité étant dotée d'une tige, à fermer le moule, à alimenter le moule fermé d'un fluide, à étendre une première et une seconde parties de la préforme autour de la tige, et à mettre en prise la première et la seconde parties pour créer l'enceinte.

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