Presses – Reciprocating press construction – Fluid pressure actuation
Patent
1981-12-02
1983-06-21
Wilhite, Billy J.
Presses
Reciprocating press construction
Fluid pressure actuation
100 93P, 100 99, 100290, 100295, 1565831, B30B 1506
Patent
active
043888607
ABSTRACT:
A belt press has at least one upper and at least one lower traverse respectively having lower and upper traverse faces, connectors extending vertically between the upper and lower traverses and securing the lower traverse to the upper traverse, upper and lower press platens carried on and between the traverses and having respective upper and lower platen faces respectively confronting the lower and upper traverse faces, and a hydraulic actuator for displacing the platens toward each other and thereby pressing the platens against a belt engaged therebetween. At least one of the traverses is formed of box section. The hydraulic actuator is engaged between the traverse face of the one box-section traverse and the confronting platen face and has a U-section pressure plate having a base bearing on the confronting platen face and a pair of flanges extending toward the one traverse face, at least one cushion forming at least one substantially closed chamber and lying between the flanges, and a pump for pressurizing the chamber. The cushion bears in one direction in surface contact on the pressure plate and in the opposite direction in surface contact at least indirectly on the face of the one traverse.
REFERENCES:
patent: 2363779 (1944-11-01), Duffy et al.
patent: 2411043 (1946-11-01), Klassen
patent: 3808968 (1974-05-01), Notin
Dubno Herbert
Ross Karl F.
Wagener Schwelm GmbH & Co.
Wilhite Billy J.
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