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:
Feb. 02, 2010
Filed:
Aug. 29, 2003
Nobuyuki Oka, Fujisawa, JP;
Yoshifumi Kojima, Fujisawa, JP;
Atsushi Koga, Fujisawa, JP;
Kenichi Fujimoto, Fujisawa, JP;
Kazuhisa Senda, Fujisawa, JP;
Masayuki Kishimoto, Fujisawa, JP;
Shunji Ueda, Fujisawa, JP;
Nobuyuki Shintaku, Fujisawa, JP;
Nobuyuki Oka, Fujisawa, JP;
Yoshifumi Kojima, Fujisawa, JP;
Atsushi Koga, Fujisawa, JP;
Kenichi Fujimoto, Fujisawa, JP;
Kazuhisa Senda, Fujisawa, JP;
Masayuki Kishimoto, Fujisawa, JP;
Shunji Ueda, Fujisawa, JP;
Nobuyuki Shintaku, Fujisawa, JP;
NOK Corporation, Tokyo, JP;
Abstract
A high-performance gasket () capable of coping with a reduction in size and developing a sealing property without producing a squeeze-out at the time of attachment and using a material having a hardness range of 30 to 80 degrees (JIS durometer type A), wherein the requirement of W/W<0.9 is satisfied where the bonding width of a base part () is (W) and the width thereof at a position half a height from the bonding part of the base part () to the tip end of a main bead part () is (W), the requirement of 1.15<H/W<1.80 is satisfied where the height from the bonding part of the base part () to the tip end of the main bead part () is (H), the requirement of L/W>=3 is satisfied where the length of the non-bonded portion of the base part () around the cross-section thereof excluding the bonded portion is (L), and the compressibility of the gasket when compressed is 13.5% or higher.