Apparatus for blow molding

Details Apparatus for blow molding Apparatus for blow molding

2008-03-04

2008-03-04

Davis, Robert B. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

C425S195000, C425S522000

Reexamination Certificate

active

07338272

ABSTRACT:
A mold assembly for blow molding comprises first, second and third mating mold components, molding surfaces of each of the first and second mold components being open to a mating face of the mold component and defining a portion of the exterior of an article to be molded, molding surfaces of the third mold component defining a portion of a closed end of the article to be molded, the mold assembly accepting at least one height insert selected according to a desired longitudinal extension of the molded article, and indexable adjusting means for altering the position of the molding surfaces of the third mold component to accommodate the effective longitudinal extension of the article to be molded. A blow molding machine comprises a press mechanism for operating a mold assembly and a mold assembly according to the invention, each mold component being mounted to a movable member of the press.

REFERENCES:
patent: 4584158 (1986-04-01), Nilsson et al.
patent: 4815960 (1989-03-01), Rudolf
patent: 5411699 (1995-05-01), Collette et al.
patent: 5968560 (1999-10-01), Briere et al.
patent: 6277321 (2001-08-01), Vailliencourt et al.
patent: 6428302 (2002-08-01), Tsau
patent: 7258538 (2007-08-01), Miller

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