Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1977-10-13
1978-05-23
Guest, Alfred R.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
B21B 1302
Patent
active
040902820
ABSTRACT:
Deflection control device, having a stationary supporting member; said supporting member comprising a series of hydrostatic supporting elements; said device also having a shell movable transversely in relation to the series of said supporting elements; ducts being provided in said supporting member for supplying or discharging pressure fluid for said supporting elements; a partition wall separating two of said ducts from one another; the position of said partition wall being variable along the series of said supporting elements.
REFERENCES:
patent: 3119324 (1964-01-01), Justus
patent: 3802044 (1974-04-01), Spillman et al.
patent: 3869774 (1975-03-01), Gallant
patent: 3879827 (1975-04-01), Lehmann
patent: 3990935 (1976-11-01), Lehmann
patent: 4023480 (1977-05-01), Biondetti
patent: 4047273 (1977-09-01), Biondetti
Escher Wyss Limited
Guest Alfred R.
Ostmann Robert A.
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