Clamping apparatus

Details Clamping apparatus Clamping apparatus

1991-12-16

1993-04-27

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

Mold opening and closing means and segmented female mold

425595, B28B 100

Patent

active

052060381

ABSTRACT:
A wedge type locking member (27) is brought into contact with a first piston (12) for clamping by means of a pushing spring (28). Thereby, the first piston (12) is prevented from returning from the clamping position (X) to the unclamping position (Y). The locking member (27) is provided with two pressure receiving surfaces (F)(S) having substantially equal areas. A fluid pressure within a first actuation chamber (13) for clamping acts upon these pressure receiving surfaces (F)(S). The locking condition of the locking member (27) is cancelled by means of a second piston (39).

REFERENCES:
patent: 5118269 (1992-06-01), Klose et al.

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