Mechanical part

Details Mechanical part Mechanical part

1987-02-26

1989-08-01

Herbert, Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428336, 428457, 428464, 428465, 428469, 428492, 428500, 4285375, 428701, B32B 1504, B32B 1506, B32B 1508, B32B 2706

Patent

active

048532843

ABSTRACT:
A mechanical part brought into contact with a member selected from the group consisting of paper, rubber, plastics, resin, ceramics, and metal, comprises a substrate of an iron series metal and a surface layer formed on a surface of the substrate and containing chromium oxide (Cr.sub.2 O.sub.3) as a major constituent. The chromium oxide (Cr.sub.2 O.sub.3) is a material converted by heating a chromium compound, and an intermediate layer containing a reaction product between the substrate and chromium oxide in the surface layer is formed at an interface between the surface layer and the substrate.

REFERENCES:
patent: 3956531 (1976-05-01), Church et al.
patent: 3985916 (1976-10-01), Church et al.
patent: 4525425 (1985-06-01), Church

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