Face seal with long-wearing sealing surface

Details Face seal with long-wearing sealing surface Face seal with long-wearing sealing surface

1984-03-29

1990-06-19

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277236, 277DIG6, 428678, 428941, 748 63, 427253, F16J 1534, C23C 902

Patent

active

049342541

ABSTRACT:
Mechanical seals are imroved in wear properties, erosion, corrosion and galling resistance by forming a diffusion coating in the seal structure surface comprising an intermetallic compound of the seal structure iron, nickel or cobalt base metal and one or more of aluminum, boron, silicon and carbon.

REFERENCES:
patent: 3029162 (1962-04-01), Samuel et al.
patent: 3257230 (1966-06-01), Wachtell et al.
patent: 3575433 (1971-04-01), Beyer et al.
patent: 3622374 (1971-11-01), Pike
patent: 3810637 (1974-05-01), Bonvin
patent: 3935034 (1976-01-01), Hayes
patent: 3947046 (1976-03-01), Maruyama et al.
patent: 4122240 (1978-10-01), Banas et al.
patent: 4132419 (1979-01-01), Sunami et al.
patent: 4157923 (1979-06-01), Yen et al.

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