Method of making plastic container having a deep-inset base

Details Method of making plastic container having a deep-inset base Method of making plastic container having a deep-inset base

B - Operations, Transporting

29

C

B29C 49/48 (2006.01) B29C 49/06 (2006.01) B29C 49/12 (2006.01) B29C 49/54 (2006.01)

Patent

CA 2746260

A method of plastic container (10) having a deep inset base (20) of the type that has a standing ring (18) for supporting the container (10) on a flat surface includes steps of molding a container blank having a standing ring (18) and a base projection portion (20) that is formed beneath the standing ring (10) and relatively displacing the base projection portion (20) upwardly with respect to the standing ring (10) until the base projection portion (20) is positioned above the standing ring (10). An improved plastic container (10) having a deep inset base (20) is also disclosed.

L'invention porte sur un procédé de fabrication d'un contenant en matière plastique (10) qui présente une base rapportée profonde (20) du type qui comprend un anneau de support (18) pour porter le contenant (10) sur une surface plate. Ledit procédé comprend les étapes de moulage d'une ébauche de contenant présentant un anneau de support (18) et une partie de saillie de base (20) qui est formée sous l'anneau de support (10), et de déplacement relatif de la partie de saillie de base (20) vers le haut par rapport à l'anneau de support (10) jusqu'à ce que la partie de saillie de base (20) soit positionnée au-dessus de l'anneau de support (10). L'invention porte également sur un contenant en matière plastique amélioré (10) ayant une base rapportée profonde (20).

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