C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/34 (2006.01) B29C 39/10 (2006.01) F16F 7/12 (2006.01)
Patent
CA 2581576
A rubber part having a metal fitting in which the metal fitting and the rubber part are integrated through an anti- corrosion chemical film formed on a surface of the metal fitting. The anti-corrosion chemical film is a zirconium- based chemical film that is harmless to human body and environment, and is transformable following the squeeze of the metal fitting. The rubber part having a metal fitting is produced by the steps of: degreasing an outer peripheral surface of the metal fitting, subjecting the surface to shot blasting treatment, degreasing the treated surface, and water washing the treated surface; forming a zirconium-based chemical film on the treated surface; water washing and drying an outer peripheral surface of the zirconium-based chemical film; forming an adhesive layer on the outer peripheral surface of the zirconium-based chemical film; and integrating the rubber part on the outer peripheral surface of the adhesive layer.
Sugiura Takanori
Taguchi Takehiko
Tohyama Toyohisa
Robic
Tokai Rubber Industries Ltd.
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