Ornamental part

Details Ornamental part Ornamental part

1986-03-07

1987-10-13

Swisher, Nancy A.

Stock material or miscellaneous articles

Composite

Of metal

428698, 428699, 428627, 428657, B32B 1504

Patent

active

046998500

ABSTRACT:
The present device relates to an ornamental part utilized in watchcases, watchbands, spectacle frames, accessories and such, wherein the material of the member is heat-resisting material such as metal, ceramics, or plastic, the material being covered by a three-layer structure coating, the successively formed layers being; a layer which has gold colored titanium nitride as its main component; a layer which has gold colored zirconium nitride as its main component; and a gold or gold alloy layer formed on the outer layer.

REFERENCES:
patent: 3242664 (1966-03-01), Lederrey
patent: 4101703 (1978-07-01), Schintlmeister
patent: 4252862 (1981-02-01), Nishida
patent: 4591418 (1986-05-01), Snyder
patent: 4640869 (1987-02-01), Toth

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