Blow mold for forming a refillable polyester container

Details Blow mold for forming a refillable polyester container Blow mold for forming a refillable polyester container

1992-09-03

1993-03-30

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

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

215 1C, 220606, 425525, B29C 4920

Patent

active

051982480

ABSTRACT:
This relates to a returnable/refillable container in the form of a blow molded polyester biaxially oriented bottle wherein the container includes a domed base construction wherein the wall thickness gradually and smoothly increases to a maximum at the center of the dome. This also relates to a specially configurated preform which is blow molded to form the container and a specially configurated blow mold cavity for receiving a preform having a lower axial projection in the form of an elongated gate without crushing.

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