Blow-molding unit for synthetic plastic materials

Details Blow-molding unit for synthetic plastic materials Blow-molding unit for synthetic plastic materials

1978-10-25

1981-02-03

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

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

Including means to close or lock blow mold

4254501, 4254519, B29C 116, B29C 1707

Patent

active

042485835

ABSTRACT:
The novel blow molding unit has mold sections movable toward and away from each other between open and closed positions. A motion-imparting arrangement is coupled with the mold sections for moving them between these positions. A clamping arrangement is located upwardly of the points where the motion-imparting arrangement is coupled with the mold sections and serves to bias the mold sections towards one another either when they are in the closed position or just before they reach the same.

REFERENCES:
patent: 2319479 (1943-05-01), Ryder
patent: 2916768 (1959-12-01), Quere et al.
patent: 3277534 (1966-10-01), McDonald et al.
patent: 3608152 (1971-09-01), Fink et al.
patent: 3825396 (1974-07-01), Kontz
patent: 3964852 (1976-06-01), Marfiewicz

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