Method of manufacture of hydraulic cylinders utilizing bronze ov

Details Method of manufacture of hydraulic cylinders utilizing bronze ov Method of manufacture of hydraulic cylinders utilizing bronze ov

1983-07-11

1985-01-22

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Obtaining plural product pieces from unitary workpiece

29417, 291564R, 295272, 219 7614, B23P 1700, B23P 1500

Patent

active

044942940

ABSTRACT:
The method of manufacture of a hydraulic cylinder in which a piston for the cylinder is formed from a steel workpiece which is rotated and a bronze overlay fused into its surface while it is rotating, the overlay being continuously monitored and machined to a precise diameter. Thereafter, spaced ring grooves are cut into the piston.

REFERENCES:
patent: 1217633 (1917-02-01), Putnam
patent: 2877540 (1959-03-01), Austen
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patent: 3095130 (1963-06-01), Schultz
patent: 3156968 (1964-11-01), White
patent: 3703112 (1972-11-01), Selby
patent: 3808956 (1974-05-01), Knapp
patent: 3947607 (1976-03-01), Gazzard et al.
patent: 4221141 (1980-09-01), Oliver
patent: 4233490 (1980-11-01), Shalai et al.

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