System for molding a footed plastic bottle

Details System for molding a footed plastic bottle System for molding a footed plastic bottle

1998-01-13

2000-02-01

Davis, Robert

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

Including means to prepare parison

198394, B29C 3108

Patent

active

060195916

ABSTRACT:
A process for forming a footed plastic container, comprising the steps of providing a preform having a neck portion with an open top end, an elongated cylindrical body portion with inner and outer walls and a lower end, wherein the lower end includes a plurality of thickened portions; providing a blow mold in the shape of a footed container having an elongated sidewall, wherein the blow mold includes a plurality of separate container foot forming cavities; inserting the preform into the blow mold; placing each of the thickened portions in a predetermined position relative to the foot forming cavities; and stretch blow molding the preform, and displacing material from each of the thickened portions into one of the foot forming cavities to form the plastic container.

REFERENCES:
patent: 4212841 (1980-07-01), Michel
patent: 4451426 (1984-05-01), Branchadell
patent: 5035603 (1991-07-01), Unterlander et al.
patent: 5160059 (1992-11-01), Collette et al.
patent: 5229142 (1993-07-01), Yokobayashi
patent: 5282526 (1994-02-01), Gibbemeyer
patent: 5498152 (1996-03-01), Unterlander et al.

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