Title:
SEALING DEVICE
Document Type and Number:
Japanese Patent JP2023012340
Kind Code:
A
Abstract:
To reduce manufacturing costs and secure stable sealability.SOLUTION: A sealing device 10 includes: an annular reinforcement ring 20 along an inner peripheral surface 111 of a hole of a housing 110; a cylindrical seal member 30 which is fixed to the reinforcement ring and formed of an elastic material; and an annular fixing member 40 along an outer peripheral surface of the seal member. The seal member includes: a first fixing part 31 which elastically deforms between the inner peripheral surface of the hole and the reinforcement ring to be fixed to the housing while tightly adhering to the inner peripheral surface of the hole; a second fixing part 32 which is fastened from the outer periphery side by the fixing member to be fixed to a shaft 120 while tightly adhering to an outer peripheral surface 121 of the shaft inserted into the hole of the housing; and a film part 33 provided between the first fixing part and the second fixing part.SELECTED DRAWING: Figure 1
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Inventors:
AMANO TAKUYA
Application Number:
JP2021115933A
Publication Date:
January 25, 2023
Filing Date:
July 13, 2021
Export Citation:
Assignee:
NOK CORP
International Classes:
F16J15/10; F16J15/12
Attorney, Agent or Firm:
Ochi International Patent Office
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