Gasket material

Stock material or miscellaneous articles – Composite – Of metal

Reexamination Certificate

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Details

C428S461000, C428S462000, C428S463000

Reexamination Certificate

active

06911264

ABSTRACT:
A gasket material includes a steel plate, and a cured film made of a mixture of an unvulcanized rubber compound and a phenol-modified xylene resin and directly formed on one or each of opposite surfaces of the steel plate. Preferably, the unvulcanized rubber compound is constituted by a mixture of metallic oxide and NBR polymerized with a surface active agent. Further preferably, the cured film is made of a mixture of 88% by weight to 95% by weight of said unvulcanized rubber compound and 5% by weight to 12% by weight of said phenol-modified xylene resin.

REFERENCES:
patent: 5154977 (1992-10-01), Saito
patent: 74031025 (1974-08-01), None
patent: 11-001678 (1999-01-01), None

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