Vertical press for the moulding of plastics materials, particula

Details Vertical press for the moulding of plastics materials, particula Vertical press for the moulding of plastics materials, particula

1988-11-18

1990-02-27

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Press forming apparatus having opposed press members

4254512, 4254519, 425454, 425457, 425589, 425DIG223, 249162, B29C 4567, B29C 3324

Patent

active

049041770

ABSTRACT:
A vertical press for the moulding of plastics materials, particularly thermosetting plastics materials includes a fixed plate and a movable plate slidable on guide columns, a first fluid-operated actuator for moving the movable plate along the guide columns, fluid-operated clamps associated with the movable plate for clamping the movable plate relative to the guide columns, and a second fluid-operated actuator acting on the guide columns to move the columns vertically relative to the fixed plate.

REFERENCES:
patent: 3507507 (1970-04-01), Tobler et al.
patent: 3663027 (1972-05-01), Klipping
patent: 4552524 (1985-11-01), Schmidts et al.
patent: 4565517 (1986-01-01), Brinkman et al.
patent: 4693448 (1987-09-01), Proksa et al.
patent: 4725214 (1988-02-01), Piazza et al.

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