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Patent Searching and Data


Title:
GASKET MANUFACTURING METHOD AND GASKET
Document Type and Number:
WIPO Patent Application WO/2019/106868
Kind Code:
A1
Abstract:
The present invention includes: a step (A) for spirally winding a buffer sheet 10 in a multilayer shape to form a ring-shaped wound body 2; and a step (B) for press-forming the wound body in an axial direction, wherein, in the step (A), a metal material 20 is disposed inside at least one of layers of the wound buffer sheet, and in the step (B), ring-shaped bent portions 20A, 20B, which are bent in a radial direction, are formed on the metal material.

Inventors:
KISHIMOTO Takayuki (7-1, Shinmachi 1-chome, Nishi-ku, Osaka-sh, Osaka 13, 〒5500013, JP)
MORI Masao (7-1, Shinmachi 1-chome, Nishi-ku, Osaka-sh, Osaka 13, 〒5500013, JP)
Application Number:
JP2018/023491
Publication Date:
June 06, 2019
Filing Date:
June 20, 2018
Export Citation:
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Assignee:
NIPPON PILLAR PACKING CO.,LTD. (7-1 Shinmachi 1-chome, Nishi-ku Osaka-sh, Osaka 13, 〒5500013, JP)
International Classes:
F16J15/12; F16J15/00; F16J15/10
Domestic Patent References:
WO2016125486A12016-08-11
Foreign References:
JP2012017790A2012-01-26
Attorney, Agent or Firm:
MAEDA & PARTNERS (Shin-Daibiru Bldg. 23F, 2-1 Dojimahama 1-chome, Kita-ku, Osaka-sh, Osaka 04, 〒5300004, JP)
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