Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1982-12-15
1985-05-07
Hall, Carl E.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
100162B, 100170, 384 99, B21B 1302
Patent
active
045148872
ABSTRACT:
A calender roll wherein a hollow rotary cylindrical shell surrounds a stationary carrier and the latter supports a set of hydraulic cylinder and piston units serving to urge the external surface of a bearing element toward the internal surface of the shell. The external surface of the bearing element is formed with liquid-filled pockets each of which communicates with the cylinder chamber of a pressure generating unit. The cylinder chambers receive pressurized liquid from a pump via first conduits whose resistance to the flow of liquid is more pronounced than that of second conduits which directly connect the cylinder chambers with one or more hydropneumatic accumulators.
REFERENCES:
patent: 2474512 (1949-06-01), Bechtold et al.
patent: 2691339 (1954-10-01), Edwards
patent: 2897538 (1959-08-01), Shapiro et al.
patent: 3231046 (1966-01-01), Ohrnberger
patent: 3578766 (1971-05-01), Diolot
patent: 3885465 (1975-05-01), Bergendahl
patent: 4198905 (1980-04-01), Lehmann
patent: 4228571 (1980-10-01), Biondetti
Pav Josef
Rauf Richard
Scholl Klaus
Burtch John T.
Hall Carl E.
Kleinewefers GmbH
Kontler Peter K.
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