Method and apparatus for injection blow molding an article with

Details Method and apparatus for injection blow molding an article with Method and apparatus for injection blow molding an article with

1979-05-21

1981-09-01

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

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

Including means to prepare parison

B29C 1707

Patent

active

042869404

ABSTRACT:
An injection blow molding apparatus and method produces articles by injecting a settable material at high pressure into the cavity of an injection mold to form a parison and then expanding the parison in a blow mold defining the configuration of the article. The injection mold defines intricate detail in the walls of the injection cavity and produces a parison with the detail formed thereon. Detail on the expanded portion of the parison is preserved in the blow mold and appears on the surface of the blown article without loss of definition.

REFERENCES:
patent: 3191225 (1965-06-01), Polka
patent: 4170623 (1979-10-01), Dubois et al.

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