Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1979-01-11
1981-01-13
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29254, B23P 1904
Patent
active
042440920
ABSTRACT:
A shock wave transmitted through the fluid to the piston of hydraulic force apparatus provides additive shock force to steady hydraulic force.
REFERENCES:
patent: 1879883 (1932-09-01), Reinhold
patent: 2331167 (1943-10-01), Brecht et al.
patent: 3038510 (1962-06-01), Vorkoeper et al.
patent: 3208134 (1965-09-01), Krewson
patent: 3390446 (1968-07-01), Eltorre
patent: 3649975 (1972-03-01), Spurgeon
patent: 3912022 (1975-10-01), Smith
patent: 4121671 (1978-10-01), West
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