Title:
SEAL WASHER AND SEAL STRUCTURE USING THE SAME
Document Type and Number:
Japanese Patent JP2023090431
Kind Code:
A
Abstract:
To provide a seal washer that allows a maintenance period of seal performance to be extended by simple repair work, and a seal structure using the same.SOLUTION: A seal structure comprises an upper case 12 of a gas meter 10, and a recovery operation device 30 integrally screwed to a screw hole 12a provided in the upper case 12 from the outside, and protruding from an inner surface of the upper case 12, and seals a gap between the screw hole 12a and the recovery operation device 30. A base part of the recovery operation device 30 protruding from the inner surface of the upper case 12 is inserted into an insertion hole 51 of the seal washer 50 to assemble them. A joint surface of the seal washer 50 is bonded to the inner surface of the upper case 12 via a second seal material 41 packed in a seal material storage part 52 to seal the gap.SELECTED DRAWING: Figure 2
Inventors:
YOSHIDA TAKAAKI
KISHIBA SHUGO
YAMASHITA KOJI
YAMAMOTO YASUHIRO
KISHIBA SHUGO
YAMASHITA KOJI
YAMAMOTO YASUHIRO
Application Number:
JP2021205390A
Publication Date:
June 29, 2023
Filing Date:
December 17, 2021
Export Citation:
Assignee:
KANSAI GASMETER KK
International Classes:
F16B43/00; F16J15/14
Attorney, Agent or Firm:
Norito Yamao
Masaharu Otsuka
Takanobu Nakajima
Masaharu Otsuka
Takanobu Nakajima