Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1979-08-22
1981-04-14
Spruill, R. L.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29460, 92172, 164111, 164DIG8, 264273, B23P 1510
Patent
active
042610885
ABSTRACT:
A method of producing a piston cylinder assembly for use in a windmill in which a compression ring is formed by casting molten metal around a piston head having a number of drilled holes on its side surface while the piston head is positioned within the cylinder. The compression ring formed is attached to the piston head by solidified metal within the drilled holes.
REFERENCES:
patent: 890736 (1908-06-01), Wagner
patent: 1426913 (1922-08-01), Sackman
patent: 1570837 (1926-01-01), Hoy et al.
patent: 1691450 (1928-11-01), Soulis et al.
patent: 1862279 (1932-06-01), Sandler
Batten, Jr. J. Reed
Ruano William J.
Spruill R. L.
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