Method of manufacturing piston rings

Details Method of manufacturing piston rings Method of manufacturing piston rings

1981-04-30

1984-08-07

Crane, Daniel C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29558, 82 40R, 82 45, B23P 1506

Patent

active

044634870

ABSTRACT:
The manufacture of piston rings for internal combustion engines comprises making a ring blank of which the diameter over the outer periphery is greater, and the diameter within the inner periphery is less than that required in the finished ring. A gap is cut in the ring blank to afford two free ends and the ring blank is held in a closed position by the application of a force only to each of the free ends of the ring blank. One or more ring blanks are then clamped in a closed position and machined so that the inner and outer peripheries are circular. This enables a ring to be produced which conforms very closely to a required shape and which thus, in use, provides a good seal between a piston and the associated cylinder of an internal combustion engine.

REFERENCES:
patent: 831151 (1906-09-01), Gaeth
patent: 1561336 (1925-11-01), McGlenn
patent: 2377960 (1945-06-01), Phillips
patent: 2530615 (1950-11-01), Hutto
patent: 2741017 (1956-04-01), Junker
patent: 3323808 (1967-06-01), Newhouser
patent: 4125043 (1978-11-01), Leutgab
patent: 4154555 (1979-05-01), Skrentner

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