Title:
GASKET MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/215114
Kind Code:
A1
Abstract:
The present invention provides a gasket manufacturing method which can improve sealing properties by achieving uniformity of film thickness of a gasket formed on a bead. The present invention is a method, for manufacturing a separator gasket, having a step for discharging a gasket material and a step for curing the gasket material discharged onto a bead 111, said method being characterized in that the bead is such that sites having different widths in a short direction are provided, and a movement speed, of a discharge device relative to a separator body 110, at wide sites in which the width is wider than at narrow sites is slower compared to the movement speed at the narrow sites where the width is narrow.
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Inventors:
YUI HAJIME (JP)
TOMITA RYO (JP)
NISHIMURA TAKURO (JP)
YUASA TAIKI (JP)
TOMITA RYO (JP)
NISHIMURA TAKURO (JP)
YUASA TAIKI (JP)
Application Number:
PCT/JP2021/007724
Publication Date:
October 28, 2021
Filing Date:
March 01, 2021
Export Citation:
Assignee:
NOK CORP (JP)
International Classes:
F16J15/00; H01M8/0276; H01M8/0286
Domestic Patent References:
| WO2017212775A1 | 2017-12-14 | |||
| WO2020121623A1 | 2020-06-18 |
Foreign References:
| JP2003031235A | 2003-01-31 | |||
| JP2007134234A | 2007-05-31 | |||
| JP2017139218A | 2017-08-10 | |||
| JP2018231660A | 2018-12-11 |
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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