Title:
ガスケット
Document Type and Number:
Japanese Patent JP6625754
Kind Code:
B2
Abstract:
This invention provides a gasket in which the insulation properties of a plate exposed within a recessed portion are maintained and the generation of rust or the like on the plate exposed within the recessed portion is suppressed, whereby functions and the component life of the plate are maintained over a long period of time. In order to achieve the object, a gasket has a plate, a covering portion containing a rubber-like elastic body covering a peripheral portion of the plate, and a seal lip provided on the plane of the covering portion, in which a recessed portion which is a plate holding mark in gasket molding is formed on the plane of the covering portion and on the outer peripheral side of the seal lip and in which a second seal lip is provided on the plane of the covering portion and on the further outer peripheral side of the recessed portion. The plate is a fuel cell separator and the second seal lip is provided as a seal lip for separator insulation.
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Inventors:
Minoru Shimazoe
Application Number:
JP2018531808A
Publication Date:
December 25, 2019
Filing Date:
July 12, 2017
Export Citation:
Assignee:
NOK CORPORATION
International Classes:
F16J15/12; H01M8/0271; H01M8/0276
Domestic Patent References:
| JP2005166576A | ||||
| JP20155497A | ||||
| JP201616619A | ||||
| JP2017177022A |
Attorney, Agent or Firm:
Kiriyama Dai
Yoichi Nomoto
Yoichi Nomoto