Title:
SURFACE COATING LAYER FORMATION METHOD AND METHOD FOR PRODUCING GASKET
Document Type and Number:
WIPO Patent Application WO/2023/195389
Kind Code:
A1
Abstract:
To provide a surface coating layer formation method and a method for producing a gasket with which it is possible to reduce loss of insoluble fine particles into a chemical solution while preventing leakage of liquid agents and maintaining stable slidability. The material of a surface layer has a composition containing silicon rubber particles in a silicon solution (study number 1 (formulation 1)). The method has an application step for applying the material so as to reach a prescribed coating film thickness on the surface of a base material, a drying step for drying the coated sliding member for a first period of time at a first temperature, a firing step for firing the dried sliding member for a second period of time at a second temperature, and a washing step for extracting and washing the fired sliding member for a third period of time at a third temperature.
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Inventors:
KOSHIMOTO AKIRA (JP)
TAKAHARA KAZUHIRO (JP)
TAKAHARA KAZUHIRO (JP)
Application Number:
PCT/JP2023/012541
Publication Date:
October 12, 2023
Filing Date:
March 28, 2023
Export Citation:
Assignee:
KOKOKU INTECH CO LTD (JP)
International Classes:
B05D3/00; A61M5/315; B05D3/02; B05D5/00; B05D7/02; C09D7/65; C09D183/04
Domestic Patent References:
| WO2021065739A1 | 2021-04-08 |
Foreign References:
| JPH0162170U | 1989-04-20 | |||
| JP2008000287A | 2008-01-10 | |||
| JPH07126417A | 1995-05-16 | |||
| US6296907B1 | 2001-10-02 | |||
| US20110313363A1 | 2011-12-22 |
Attorney, Agent or Firm:
KAJI Toshikazu et al. (JP)
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