Title:
【発明の名称】時計ケース等の装身具類の金属表層及びその形成方法
Document Type and Number:
Japanese Patent JPH0813348
Kind Code:
B2
Abstract:
A metal-made ornamental article, such as watch cases and the like, is provided with a bilayered coating layer highly resistant against scratches and chemicals without decreasing the aesthetic value of the article. The coating layer is composed of an undercoating layer of a specified thickness formed from an aqueous colloidal solution of sodium silicate and silica sol in a specified proportion and a top-coating layer of a specified thickness formed by coating with a solution of a partial hydrolysis-condensation product of an organic silicate ester compound, such as ethyl silicate, followed by baking to effect curing of the coating layer.
Inventors:
Kushida Hachiro
Hamano Kazumi
Yoshitsugu Imasawa
Ken Irie
Hamano Kazumi
Yoshitsugu Imasawa
Ken Irie
Application Number:
JP28206788A
Publication Date:
February 14, 1996
Filing Date:
November 08, 1988
Export Citation:
Assignee:
CITIZEN WATCH CO.,LTD.
Techno Industry Co., Ltd.
Techno Industry Co., Ltd.
International Classes:
G04B37/22; B05D1/38; B05D5/00; B05D7/14; B05D7/24; B32B15/04; C09D1/02; C09D183/02; C23D5/02; (IPC1-7): B05D7/14; B05D1/38; B05D5/00; B05D7/24; C09D1/02; G04B37/22
Domestic Patent References:
| JP5913076A |
Attorney, Agent or Firm:
Ryoichi Yamamoto (1 person outside)