Title:
GASKET FOR FUEL CELL
Document Type and Number:
Japanese Patent JP2023146210
Kind Code:
A
Abstract:
To provide a gasket which suppresses deformation and extension of a bead caused by a compressive load to the gasket, with a relatively simple configuration, which does not cause deterioration in sealing properties. and which is also capable of eliminating the need for laser welding itself or reducing welding points of laser welding.SOLUTION: A gasket 1 includes a first separator 2 having a first bead 7, and a second separator 3 superposed on the first separator 2 and having a second bead 13 formed in a position opposite to the first bead 7. The first separator 2 further has a first protrusion 8 disposed close to the first bead 7 and protruding from a first separator front surface 2a in the same direction as the protruding direction of the first bead 7, and the second separator 3 further has a second protrusion 14 disposed close to the second bead 13, protruding from a second separator rear surface 3b in a direction opposite to the protruding direction of the second bead 13, and fittable to the first protrusion 8.SELECTED DRAWING: Figure 1
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Inventors:
YUI HAJIME
WATABE SHIGERU
SHINSAKA TAKESHI
WATABE SHIGERU
SHINSAKA TAKESHI
Application Number:
JP2022053286A
Publication Date:
October 12, 2023
Filing Date:
March 29, 2022
Export Citation:
Assignee:
NOK CORP
International Classes:
H01M8/0276; H01M8/0206; H01M8/021
Attorney, Agent or Firm:
Ippei Watanabe
Sei Koike
Yoshio Nagaoka
Satoshi Asakura
Sei Koike
Yoshio Nagaoka
Satoshi Asakura