Method of producing seal ring

Details Method of producing seal ring Method of producing seal ring

1982-02-19

1985-05-21

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

219121P, 277 90, 427 34, B23P 1704

Patent

active

045177260

ABSTRACT:
A method of producing a seal ring for a floating seal assembly comprising forming a seal ring base from a low carbon steel, the seal ring base having a sealing portion formed thereon, subjecting the sealing portion to shot blasting, plasma spraying a cermet material on the sealing portion of the seal ring base to form a coated layer of the cermet material thereon, and lapping the coated layer to obtain a finished seal ring product having a plasma sprayed and lapped coating of the cermet material on the sealing portion.

REFERENCES:
patent: 2149253 (1939-03-01), Cooper
patent: 3539192 (1970-11-01), Prasse
patent: 3606359 (1971-09-01), McCormick
patent: 3814447 (1974-06-01), Prasse et al.
patent: 3826506 (1974-07-01), Eckert
patent: 3914573 (1975-10-01), Muchlburger
patent: 4106782 (1978-08-01), Hyde et al.
patent: 4236059 (1980-11-01), McComas et al.
patent: 4256779 (1981-03-01), Sokol et al.

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