Manufacture of improved electrical contact materials

Details Manufacture of improved electrical contact materials Manufacture of improved electrical contact materials

1977-02-07

1978-09-05

Rutledge, L. Dewayne

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

29630C, 72258, 148 63, 428632, 428647, 428658, 428673, 428929, B21C 2330

Patent

active

041121970

ABSTRACT:
Improved electrical contact materials and a method for manufacturing same are disclosed. The improved materials comprise mechanically elongated billets composed of at least a first metal and the oxide of a second metal. The billets include a plurality of alternating substantially coaxial zones of metal-metal oxide and zones devoid of the metal oxide. The zones devoid of the metal oxide serve as slip zones and render the contact material readily formable into any desired electrical contact shape.

REFERENCES:
patent: 3215512 (1965-11-01), Coad
patent: 3545067 (1970-12-01), Haarbye et al.
patent: 3570118 (1971-03-01), Reynolds et al.
patent: 3579800 (1971-05-01), Packard
patent: 3625662 (1971-12-01), Roberts et al.
patent: 3666428 (1972-05-01), Haarbye
patent: 3932935 (1976-01-01), Harmsen et al.
patent: 3969156 (1976-07-01), Wallbaum
patent: 4050956 (1977-09-01), DEBruin et al.
Ryshkewitch, E.; Oxide Ceramics, Academic Press, New York, pp. vii, viii, 3-11 (1960).
Dodd, A.E.; Dictionary of Ceramics, Philosphical Library Inc., New York, N. Y. p. 53, (1965).
U.S. Patent Office Classification Manual pp. 106-111.

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