Title:
SEALING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/250613
Kind Code:
A1
Abstract:
Provided is a sealing device which can prevent a resin seal from being damaged by a plate spring. The sealing device is characterized by including: a metal ring 110; a resin seal 120 which slidably closely adheres to an outer peripheral surface of a shaft 200 in a state where the inner peripheral side of the resin seal 120 is deformed so as to be curved towards a sealing target area side; and a plate spring 130 which presses the inner peripheral side of the resin seal 120 towards the inside in the radial direction, and having a bent part 133 in which a portion of the tip part of the inner peripheral side of the plate spring 130 is bent in advance in a state where the shaft 200 is inserted.
Inventors:
EGUCHI NOBUYUKI (JP)
Application Number:
PCT/JP2020/019074
Publication Date:
December 17, 2020
Filing Date:
May 13, 2020
Export Citation:
Assignee:
NOK CORP (JP)
International Classes:
F16J15/3204; F16J15/3212; F16J15/3224
Domestic Patent References:
| WO2014030742A1 | 2014-02-27 | |||
| WO2016009803A1 | 2016-01-21 | |||
| WO2014030413A1 | 2014-02-27 |
Foreign References:
| JP2015203491A | 2015-11-16 | |||
| JPH0236661U | 1990-03-09 | |||
| JPH0583542U | 1993-11-12 | |||
| JPH0496670U | 1992-08-21 | |||
| US20120104701A1 | 2012-05-03 | |||
| JPS55140155U | 1980-10-06 |
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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