Method for sealing rocker cover

Details Method for sealing rocker cover Method for sealing rocker cover

2005-11-08

2005-11-08

Copenheaver, Blaine (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C524S031000, C524S032000, C524S528000

Reexamination Certificate

active

06962643

ABSTRACT:
A sealing method wherein sealing agent composition comprises:(A) organopolysiloxane having at least two silicon atom bonded alkenyl groups in one molecule;(B) organohydrogen polysiloxane having at least two silicon atom bonded hydrogen atoms in one molecule;(C) fumed silica of a specified amount with respect to the components (A) and (B); and(D) an inorganic filler of a specified amount with respect to the components (A) and (B),in which the rocker and the cylinder block are pressed such that a hardness of the sealing agent in a cured state is 60 to 80 with a type A durometer of JIS K 6253 and a compression rate of the sealing agent becomes 20 to 40%.

REFERENCES:
patent: 3865778 (1975-02-01), Christie
patent: 5767183 (1998-06-01), Takei et al.
patent: 5908888 (1999-06-01), Nakamura et al.
patent: 5998516 (1999-12-01), Burkus et al.
patent: 6082446 (2000-07-01), Ahaus et al.
patent: 237267/1985 (1985-11-01), None
patent: 9-296865 (1997-11-01), None
patent: 296865/1997 (1997-11-01), None

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