Presses – Automatic or material triggered control – Of actuating means
Patent
1975-04-29
1977-01-11
Feldman, Peter
Presses
Automatic or material triggered control
Of actuating means
100 51, 100118, 100153, 425136, 425145, 425149, 425371, B30B 1516, B29C 306, B29C 1500
Patent
active
040021149
ABSTRACT:
A dual press having hydraulic units which are controlled to regulate the pressure exerted on material being treated. A control system includes sensing means along the path of materials passing to the press and sensing means along the path of materials passing from the press. Thus, sensing means control the hydraulic units and regulate the pressure so as to maintain a predetermined maximum pressure when a continuous supply of material is passing through the press. The pressure is reduced or removed completely when the supply of material is decreased or interrupted.
REFERENCES:
patent: 2646745 (1953-07-01), Seltzer
patent: 3557403 (1971-01-01), Lemelson
patent: 3594866 (1971-07-01), Skinner et al.
patent: 3706516 (1972-12-01), Kisteneich et al.
patent: 3885901 (1975-05-01), Reiners
patent: 3907473 (1975-09-01), DeMets
patent: 3942929 (1976-03-01), DeMets
Feldman Peter
Sandco Ltd.
Stults Harold L.
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