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Patent Searching and Data


Title:
MANUFACTURE OF PRECOATED STEEL PLATE HAVING EXCELLENT DESIGN PROPERTY
Document Type and Number:
Japanese Patent JPH1043676
Kind Code:
A
Abstract:

To precisely form a sputtered pattern with a clear outline by successively forming an undercoating film, an intermediate coating film, and an upper coating film applied in a pattern on a chemically treated steel plate and baking the intermediate coating film and the upper coating film simultaneously.

An undercoating film is formed by at first applying an undercoating material in a thickness to give, for example, 3-50μm thickness of a dried coating film to a chemically treated steel plate, for which chemical conversion treatment such as chromating treatment by a coating method, zinc phosphating treatment, etc., by a coater and carrying out backing treatment. Then, an intermediate coating film is formed by applying an intermediate coating material in a thickness to give, for example, 8-30μm thickness of a dried coating film to the undercoating film by a roll coater. After that, an upper coating film is formed by applying one or more kinds of upper coating materials, whose surface tension is not higher than the intermediate coating material, in a pattern on the intermediate coating film which is not yet dried and baking the upper coating film simultaneously with the intermediate coating film. In this case, the diluting ratio of the upper coating material with a thinner is preferably to be 20-100wt.% and the viscosity of the upper coating material at the time of application is preferably to be 10-60sec.


Inventors:
YAGI SHINJI
OSAWA KATSUHIKO
NISHIDA NOBUHIRO
IKEDA TSUTOMU
Application Number:
JP20746196A
Publication Date:
February 17, 1998
Filing Date:
August 06, 1996
Export Citation:
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Assignee:
NOF CORP
International Classes:
B05D1/02; B05D1/28; B05D1/36; B05D3/02; B05D7/14; B32B15/08; (IPC1-7): B05D7/14; B05D1/02; B05D1/28; B05D1/36; B05D3/02; B32B15/08
Attorney, Agent or Firm:
Yanagihara