Asbestos-free composition for gaskets containing an oil absorben

Details Asbestos-free composition for gaskets containing an oil absorben Asbestos-free composition for gaskets containing an oil absorben

1994-05-23

1995-08-22

Watkins, III, William P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428327, 428133, 428492, 428465, 428292, 524 81, 524423, 277235B, 277DIG6, F16J 1500, C09K 310

Patent

active

054438870

ABSTRACT:
An asbestos-free gasketing composition comprising (a) a rubber component, (b) a non-asbestos fiber, (c) an oil-absorbing agent and (d) a filler useful for forming gasketing profiles such as a joint sheet, a beater sheet, a sheet containing a perforated metal core plate and the like. A gasket obtained therefrom which contains the composition has excellent oil sealing properties while exhibiting satisfactory strength.

REFERENCES:
patent: 3878175 (1975-04-01), Steckler
patent: 3919448 (1975-11-01), Dufresne
patent: 4546033 (1985-10-01), Tsuchimoto et al.
patent: 4560718 (1985-12-01), Ritchey
patent: 4728111 (1988-03-01), Yoshijimu et al.
Database WPIL, Week 8801, Derwent Publications Ltd., London, GB; AN 88-003558 & JP-A-62 267 394 (Furukawa) 20 Nov. 1987 (abstract).
Database WPIL, Week 8514, Derwent Publication Ltd., London, GB; AN 85-08312 & JP-A-60 032 881 (Nippon Reinz) 20 Feb. 1985 (abstract).
Database WPIL, Week 8919, Derwent Publications Ltd., London, GB; AN 89-140869 & JP-A-1-085 274 (Oribest) 30 Mar. 1989 (abstract).
Database WPIL, Week, 8946, Derwent Publications Ltd., London, GB; AN 89-335943 & JP-A-1 249 825 (Toshiba Chem) (abstract).
European Search Report dated Jul. 7, 1993.

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