High-wear resistant composite seal

Details High-wear resistant composite seal High-wear resistant composite seal

1975-08-13

1976-11-16

Steiner, Arthur J.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29197, 29198, B32B 1518, B32B 1520

Patent

active

039921646

ABSTRACT:
A base metal, such as the aluminum or iron housing of a conventional rotary or reciprocating-piston internal combustion engine, and a sealing member applicable to the pistons or rotor thereof are coated with a layer of a wear-resistant alloy, such as molybdenum-ruthenium or tungsten-ruthenium alloy, either by evaporating the elements of the alloy by electron guns onto the surfaces to be coated or by vaporizing a wire of the same alloy in a vacuum chamber by the application of a high-tension electrical discharge through the wire from an electrical condenser bank. Depositing the alloy is done on a production basis by passing workpiece holders in a circular path through a vacuum chamber beneath the electron gun, followed by a realloying step through a laser beam, an acid dip, a rinsing dip, a drying by heat, and a final honing.

REFERENCES:
patent: 2905512 (1959-09-01), Anderson
patent: 3479161 (1969-11-01), Evans et al.

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