Process for production of oil control rings

Details Process for production of oil control rings Process for production of oil control rings

1976-04-26

1978-08-15

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

123198R, 156154, 156656, 156665, C23F 102

Patent

active

041069773

ABSTRACT:
A process for the production of oil control rings having a scraper edge formed by a layer consisting of a wear-resistant material. The wear-resistant layer is embedded between two softer layers. Thereafter, the scraper edge is machined and the soft layers recessed by etching to expose the scraper edges.

REFERENCES:
patent: 2887766 (1959-05-01), Fike et al.
patent: 3333579 (1967-08-01), Shockley et al.
patent: 3375181 (1968-03-01), Koech
patent: 3634160 (1972-01-01), Van Esdonk
patent: 3945893 (1976-03-01), Ishimori et al.
patent: 3976809 (1976-08-01), Dowell

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