Method and system for forming a hole through a blow molded...

Details Method and system for forming a hole through a blow molded... Method and system for forming a hole through a blow molded...

2006-12-19

2006-12-19

Davis, Robert B. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

With means to sever product

C425S290000, C264S155000, C264S163000, C264S534000

Reexamination Certificate

active

07150625

ABSTRACT:
A blow molding system for forming a hole through a blow molded article includes a mold that houses an outer core pin and a pin support. During the blow molding process, a compression area is created in the mold. After the compression area is formed, the outer core pin and the pin support cooperatively cut out a portion of the compression area during the blow molding process. After the mold is opened, the cut-out portion of the compression area can be removed to expose the hole.

REFERENCES:
patent: 2449133 (1948-09-01), Lyijynen
patent: 3060509 (1962-10-01), McCubbins, Jr.
patent: 3649728 (1972-03-01), Honsho et al.
patent: 4612153 (1986-09-01), Mangla
patent: 5204127 (1993-04-01), Prusha
patent: 6261504 (2001-07-01), Baker et al.
patent: 6814564 (2004-11-01), Baker et al.
patent: 2002/0155190 (2002-10-01), Romanello

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