Title:
SEAL STRUCTURE, SEALING METHOD, AND COUPLING EQUIPPED WITH SAID SEAL STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2018/079633
Kind Code:
A1
Abstract:
Provided are a seal structure and sealing method that ensure sealing performance over a long period even when used for low-temperature fluids, as well as a coupling which is equipped with this seal structure. The seal structure is provided with an annular gasket 6 interposed between a first and a second member 2, 3. The gasket-facing face of the first member 2 is provided with: an annular protrusion 42; an inclined surface 43 provided sloping in a direction away from the gasket 6 from the annular protrusion 42 to the inner-diameter side; and an outer-diameter-side surface 41 provided on the outer-diameter side of the protrusion 42.
Inventors:
HIRAMATSU KOJI (JP)
YAMAJI MICHIO (JP)
DAIDO KUNIHIKO (JP)
YAKUSHIJIN TADAYUKI (JP)
YANAGIDA YASUMASA (JP)
FUNAKOSHI TAKASHI (JP)
YAMAJI MICHIO (JP)
DAIDO KUNIHIKO (JP)
YAKUSHIJIN TADAYUKI (JP)
YANAGIDA YASUMASA (JP)
FUNAKOSHI TAKASHI (JP)
Application Number:
PCT/JP2017/038599
Publication Date:
May 03, 2018
Filing Date:
October 26, 2017
Export Citation:
Assignee:
FUJIKIN KK (JP)
International Classes:
F16J15/06; F16J15/08; F16J15/10; F16K27/00; F16L19/03; F16L23/02; F16L23/032; F16L23/16
Foreign References:
JP2016014468A | 2016-01-28 | |||
JP2014084886A | 2014-05-12 | |||
JP2010090939A | 2010-04-22 | |||
JP2015175518A | 2015-10-05 | |||
JPS6147175U | 1986-03-29 |
Attorney, Agent or Firm:
MATSUMURA, Naoto et al. (JP)
Download PDF:
Previous Patent: SEAL STRUCTURE, SEALING METHOD, AND COUPLING EQUIPPED WITH SAID SEAL STRUCTURE
Next Patent: LIQUID DISPERSION
Next Patent: LIQUID DISPERSION