Two-piece piston and method of manufacturing the same

Details Two-piece piston and method of manufacturing the same Two-piece piston and method of manufacturing the same

1989-10-19

1991-11-19

Gorski, Joseph M.

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29888044, 92208, 92222, 92231, B23P 1510

Patent

active

050655086

ABSTRACT:
A method for the manufacture of a two-piece piston wherein the top portion and the pin boss portion, which define the piston head, are fabricated separately by cold or hot forming, casting or sintering, and joined together by welding such as, for instance, friction welding. The top portion and the pin boss portion may be of the same material or different materials, and obtained by the same method or by different methods.

REFERENCES:
patent: 1061922 (1913-05-01), Patrick
patent: 1233726 (1917-07-01), Talbot
patent: 1377453 (1921-05-01), Bandle
patent: 3152523 (1964-10-01), Whitfield et al.

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