Presses

Details Presses Presses

1978-10-03

1980-11-25

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Means responsive to abnormal condition completely stop...

4254512, 425590, 100269R, 188266, 188268, 188269, 188297, B29C 300, B30B 1516

Patent

active

042355761

ABSTRACT:
A mechanical press has a self-adjusting device for automatically setting the position of the mould in the correct position with respect to the stroke of the pressram. The device is located between a fixed platen and a mould carrier and comprises a cylinder having at one end a stiffly resilient plug which normally covers a valve port in the cylinder; a volume of liquid is located between a piston in the cylinder and the plug. If the mould is incorrectly set for the ram stroke, the pressure generated in the liquid so compresses the plug to expose the port for release of sufficient liquid to reposition the mould.

REFERENCES:
patent: 2856035 (1958-10-01), Rohacs
patent: 3571855 (1971-03-01), Hafer et al.
patent: 3712774 (1973-01-01), Parker

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