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:
May. 16, 2006
Filed:
Jan. 28, 2002
Yasushi Imai, Kanagawa, JP;
Tadashi Utsunomiya, Kanagawa, JP;
Tomohiro Ogata, Kanagawa, JP;
Shosan Shibata, Kanagawa, JP;
Tatsuhiko Hosokawa, Tokyo, JP;
Naruhiko Mashita, Kanagawa, JP;
Tsunehiro Yamamoto, Kanagawa, JP;
Yasushi Imai, Kanagawa, JP;
Tadashi Utsunomiya, Kanagawa, JP;
Tomohiro Ogata, Kanagawa, JP;
Shosan Shibata, Kanagawa, JP;
Tatsuhiko Hosokawa, Tokyo, JP;
Naruhiko Mashita, Kanagawa, JP;
Tsunehiro Yamamoto, Kanagawa, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
A gasket integrated with a cover wherein a gasket material composed of a thermoplastic elastomer composition is integrally fixed to the cover having a shape of multistep contraction over at least two contraction steps, a gasket wherein the cover and the gasket are integrally molded and after molding, are subjected to a heating treatment at a temperature not lower than the temperature at which an adhesive component in materials constituting the gasket initiates crystal fusion or glass transition, or a gasket wherein the cover and the gasket are integrally molded and a covering layer composed of a fluoropolymer is formed on the gasket surface on atmospheric side are proposed. According to the present invention, a gasket integrated with a cover for a hard disc device which gasket is excellent in adhesive property and productivity, and is minimized in permeability and penetration of substances is provided.