The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2003
Filed:
Sep. 28, 2000
Shinichi Toyosawa, Saitama-ken, JP;
Youichi Nishimuro, Tokyo, JP;
Naruhiko Mashita, Kanagawa-ken, JP;
Kunio Machida, Tokyo, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
There are disclosed a resin composition (I) which comprises 100 parts by weight of (a1) a styrenic thermoplastic elastomer composed of a block copolymer (styrene-ethylene/butylene-styrene block copolymer, styrene-ethylene/propylenestyrene block copolymer), 3 to 50 parts by weight of (b1) an ethylene/(meth) acrylic acid copolymer or an ethylene/(meth)-acrylic ester copolymer each having 5 to 45% by weight of (meth)acrylic acid content, and 50 to 170 parts by weight of (c1) a paraffin base oil; a resin composition (II) which comprises 100 parts by weight of (a2) a styrenic thermoplastic elastomer composed of a block copolymer, 1 to 15 parts by weight of (b2) a maleic anhydride-grafted polyolefin, and 30 to 170 parts by weight of (c2) a paraffin base oil; a gasket material (I) composed of the components (a1), (b1) and (c1); a gasket material (II) composed of the components (a2), (b2) and (c2); and a gasketed cover in which a gasket made of the gasket material (I) or (II) is integrally fitted to a cover body made of a metal by injection molding.