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Title:
METAL GASKET
Document Type and Number:
WIPO Patent Application WO/2018/123214
Kind Code:
A1
Abstract:
This metal gasket comprises a metal plate (1) having an opening (2), and has a seal bead (4) having a bent cross-sectional shape formed along the opening (2), in order to suppress variation in height of the seal bead (4) caused by tensile stress generated on the outer periphery of the seal bead (4) during formation thereof. The metal gasket is provided with a lightening hole (5) that extends along the outer periphery of the seal bead (4), wherein the distance between the lightening hole (5) and the seal bead (4) is constant.

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Inventors:
IDE KENTO (JP)
IMAI KATSUMA (JP)
MURAGISHI HIROTAKA (JP)
Application Number:
PCT/JP2017/037446
Publication Date:
July 05, 2018
Filing Date:
October 17, 2017
Export Citation:
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Assignee:
NOK CORP (JP)
International Classes:
F16J15/08; F02F11/00
Foreign References:
JPS5911141U1984-01-24
JP2007187294A2007-07-26
JPH09292027A1997-11-11
JP2001132843A2001-05-18
JPS63158360A1988-07-01
JP2000097340A2000-04-04
Other References:
See also references of EP 3564559A4
Attorney, Agent or Firm:
KIRIYAMA Hiroshi et al. (JP)
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