Oil ring assembly

Details Oil ring assembly Oil ring assembly

1990-09-18

1992-11-10

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277136, 277141, 277215, F16J 906, F16J 920, F16J 924

Patent

active

051618052

ABSTRACT:
In a method of manufacturing a side rail of a compound steel oil ring assembly in which a linear, strip-like wire material is passed between a plurality of pins and bent into an annular shape, a side of the side rail that will become the inner circumferential side thereof is brought into pressured contact with at least one pin formed to have a corrugated surface, thereby forming corrugations in the side of the side rail that will become the inner circumferential side thereof.

REFERENCES:
patent: 2300518 (1942-11-01), Phillips
patent: 3131944 (1964-05-01), Sanon
patent: 3189986 (1965-06-01), Mayfield
patent: 3295857 (1967-01-01), Lutz

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