Die opening device for molding machine

Details Die opening device for molding machine Die opening device for molding machine

1986-09-19

1987-10-13

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Mold opening and closing means and segmented female mold

425454, 425589, 249162, B29C 4564, B29C 4566

Patent

active

046995846

ABSTRACT:
This invention discloses a die opening device for a molding machine. One upper die segment is attached to the underside of an upper die plate tiltable relative to the surface of a floor on which the molding machine is installed and, at the same time, one lower die segment is opposed to the upper die segment and attached to a lower die plate adapted to be reciprocated vertically in a substantially perpendicular direction by a hydraulic cylinder. The upper die plate and the lower die plate are cooperatively connected to each other with connection means in such a manner that a descent of the lower die plate will tilt the upper die plate and raise the worker side thereof. Owing to the inclination thus produced, the molding groove in the upper die segment is opposed to the worker.

REFERENCES:
patent: 3123857 (1964-03-01), Wacker
patent: 3981671 (1976-09-01), Edwards
patent: 4009983 (1977-03-01), Jacobs
patent: 4013392 (1977-03-01), Smith
patent: 4069948 (1978-01-01), Saaty et al.
patent: 4191523 (1980-03-01), Niederst et al.

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