Metal treatment – Process of modifying or maintaining internal physical... – Producing or treating layered – bonded – welded – or...
Patent
1990-12-21
1993-06-01
Dean, R.
Metal treatment
Process of modifying or maintaining internal physical...
Producing or treating layered, bonded, welded, or...
205118, 205120, 205171, 205209, 205212, 205224, C25D 700
Patent
active
052156060
ABSTRACT:
A method for preparing decorative lacquered Ti-based articles is disclosed, which method comprises the steps of: (a) heating to 900.degree. to 1300.degree. in vacuum a base of titanium or its alloy whose surface serves as a base material, to grow the crystal grains on the surface of the base while simultaneously thermally etching the surface, so as to make the base surface uneven; (b) cooling the base; (c) etching the surface of the base with an etchant to enlarge the unevenness of the surface; (d) anodizing the base; (e) applying an undercoat onto the surface of the base; (f) optionally heating the undercoat to cure the same; and (g) further applying a coating onto the undercoat and then drying it. The method makes it possible to prepare decorative lacquered Ti-based articles having a Raden-, Hyomon- or Heidatsu, Kyushitsu- or Makie-like appearance utilizing titanium or its alloy as a base material.
REFERENCES:
patent: 3309291 (1967-03-01), Icxi
patent: 3450606 (1969-06-01), Darrow
patent: 3839163 (1974-10-01), Kaneda et al.
patent: 3989876 (1976-11-01), Moji et al.
patent: 4309461 (1982-01-01), Shibata
Metadex Abstract 86(9)55-1870 1986.
Nippon Shikko, Nippon No Shikko (Urushi Industries in Japan, Urushi Arts and Crafts of Japan), Item 1.
Patent Abstracts of Japan, vol. 11, No. 185 (C-428)(2632) JP 62-10299 (Jan. 19, 1987).
Patent Abstracts of Japan, vol. 11, No. 268(C-444)(2715) JP 62-70599 (Apr. 1, 1987).
Dean R.
Phipps Margery S.
Zivaco, Co., Ltd.
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