Parison molding apparatus in an injection stretching blow moldin

Details Parison molding apparatus in an injection stretching blow moldin Parison molding apparatus in an injection stretching blow moldin

1980-02-08

1982-06-01

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

425526, 425533, 425567, 425574, 425576, 425589, B29C 1707, B29F 106

Patent

active

043325440

ABSTRACT:
In an injection molding apparatus in which an injection device imposes a touching force on an injection mold in a direction perpendicular to the direction of the clamping force for closing the mold cavity, an apparatus is provided which imposes a force on the injection mold of an equal magnitude an in an opposite direction to the injection device touching force. The apparatus can be a hydraulic ram which is driven by fluid from the same line that supplies fluid to drive the touching motion of the injection device.

REFERENCES:
patent: 1588023 (1926-06-01), Gutteridge
patent: 3337667 (1967-08-01), Ninneman
patent: 3357045 (1967-12-01), Ninneman
patent: 3850562 (1974-11-01), Takeuchi et al.
patent: 4105391 (1978-08-01), Aoki

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