Belt press with hose-type actuator

Details Belt press with hose-type actuator Belt press with hose-type actuator

1981-07-24

1983-07-19

Wilhite, Billy J.

Presses

With alarm, signal, indicator, or test means

100 93P, 100258A, 100269A, 100270, 100290, 100295, 1565831, B30B 1506

Patent

active

043937667

ABSTRACT:
A belt press comprises a plurality of upper and a plurality of lower traverses respectively having lower and upper traverse faces, upper and lower press platens carried on and between these traverses and having respective upper and lower platen faces respectively confronting the lower and upper traverse faces, and a hydraulic actuator for displacing these traverses toward each other and thereby pressing the platens against a belt engaged therebetween. The hydraulic actuator is engaged between one of the platen faces and the confronting traverse face and has a pressure plate bearing on the one platen face, a plurality of diametrally compressible but circumferentially unstretchable hydraulic hoses forming at least one substantially closed chamber and bearing in one direction in surface contact on the pressure plate and in the opposite direction in surface contact at least indirectly on the confronting traverse face, and a system for pressurizing this chamber. The hoses have in uncompressed condition a predetermined hose diameter but are partially flattened between the plate and the confronting traverse face so as to engage same in the above-described surface contact.

REFERENCES:
patent: 2363779 (1944-11-01), Duffy et al.
patent: 2411043 (1946-11-01), Klassen
patent: 3808968 (1974-05-01), Notin

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