Title:
METHOD FOR MANUFACTURING GASKET AND GASKET
Document Type and Number:
Japanese Patent JP2019100432
Kind Code:
A
Abstract:
To provide a gasket that has high heat resistance and stable sealability.SOLUTION: A method for manufacturing a gasket includes: a step (A) of winding a cushioning material sheet 10 into a spiral shape with multiple layers to form a ring-shaped wound body; and a step (B) where the wound body is subjected to press molding in an axial direction. In the step (A), a metal material 20 is interposed between at least one or more interlayers of the respective layers of the wound cushioning material sheet. In the step (B), a ring-shaped bent part 20A that is bent in a radial direction is formed in the metal material.SELECTED DRAWING: Figure 3
Inventors:
KISHIMOTO TAKAYUKI
MORI MASAO
MORI MASAO
Application Number:
JP2017230870A
Publication Date:
June 24, 2019
Filing Date:
November 30, 2017
Export Citation:
Assignee:
NIPPON PILLAR PACKING
International Classes:
F16J15/12; F16J15/00; F16J15/10
Domestic Patent References:
| JP2012017790A | 2012-01-26 | |||
| JPH0663967U | 1994-09-09 | |||
| JPH06201050A | 1994-07-19 |
Foreign References:
| WO2016125486A1 | 2016-08-11 |
Attorney, Agent or Firm:
Maeda patent office