Method and apparatus for blow molding containers

Details Method and apparatus for blow molding containers Method and apparatus for blow molding containers

1978-10-26

1980-03-25

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

264540, 425525, 425532, B29C 1707

Patent

active

041950534

ABSTRACT:
A method and apparatus are disclosed for blow molding a container with an angular neck from a parison of thermoplastic material at a single station at which extrusion of the parison, compression molding of the neck of the container and blowing of the parison occurs. In the method, the mold sections, which have a cavity that defines the container with the angular neck, are pivotally mounted so that the parison can be positioned between the open mold sections in the desired location, and after the mold sections are closed on the parison, the mold sections are pivoted so that the angular neck is aligned to receive a blow pin for performing the compression molding and blowing operations.

REFERENCES:
patent: 3508295 (1970-04-01), Hough
patent: 3781395 (1973-12-01), Uhlig

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