Blow head valve

Details Blow head valve Blow head valve

1981-10-28

1983-09-13

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

425535, B29C 1707

Patent

active

044039409

ABSTRACT:
This relates to a blow head to be utilized in combination with a multiple cavity blow mold for introducing blowing gas to the individual preforms positioned within the mold cavities. There is a blow head for each mold cavity and each blow head, although the blow heads are carried by a single blow beam, are actuated to supply blowing gas only if a preform is present within the respective mold cavity. This abstract forms no part of the specification of this application and is not to be construed as limiting the claims of the application.

REFERENCES:
patent: 738622 (1903-09-01), Miller
patent: 2261705 (1941-11-01), Weaver
patent: 3850562 (1974-11-01), Takeuchi et al.
patent: 3993427 (1976-11-01), Kauffman et al.

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