MANUFACTURING METHOD OF GASKET

Japanese Patent JP2023033807

A

To provide a manufacturing method of a gasket which can equalize a thickness of the gasket.SOLUTION: A manufacturing method of a gasket has: a first process for forming a first thin-thickness layer 211 on a base material by screen-printing by using a first screen plate 510; a second process for progressing bridging by heating the first thin-thickness layer 211 after the first process; and a third process for forming a second thin-thickness layer 212 so as to cover the first thin-thickness layer 211 on the base material by the screen-printing by using a second screen plate 520 after the second process. A thickness of a second support part 522 of the second screen plate 520 is equal to or thinner than a thickness of a region at which a thickness at the vicinity of both sides of the first thin-thickness layer 211 in a width direction is the thickest, and a width W2 of the second support part 522 between opposing faces is equal to or wider than a width of the first thin-thickness layer 211.SELECTED DRAWING: Figure 4

YAMAKAWA SOTA
YUI HAJIME

JP2021139718A

March 13, 2023

August 30, 2021

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NOK CORP

F16J15/00; B41F15/08; B41M1/12; B41M3/00; F16J15/10; F16J15/14

Patent Attorney Corporation Shuwa Patent Office

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