Title:
MECHANICAL SEAL DEVICE, DOUBLE SEAL DEVICE, AND DOUBLE MECHANICAL SEAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/140092
Kind Code:
A1
Abstract:
A cup gasket 50a has a gasket body 52a that can be compressed and held between the outer peripheral surface of a static seal ring 40a and the inner peripheral surface 5a of part of a housing 4a, and an inward convexity 54a molded integrally with the gasket body 52a and protruding diametrically inward. The inward convexity 54a is able to be held and compressed between a back surface positioned on the side of the static seal ring 40a that is axially opposite a static sliding surface 42a, and a step difference surface 7a continuous with the inner peripheral surface 5a of the housing 4a.
Inventors:
MARUYAMA HIDEKI (JP)
KIRYU KENJI (JP)
IKEDA YASUHIRO (JP)
TANI KIMIHIRO (JP)
KIRYU KENJI (JP)
IKEDA YASUHIRO (JP)
TANI KIMIHIRO (JP)
Application Number:
PCT/JP2016/055062
Publication Date:
September 09, 2016
Filing Date:
February 22, 2016
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F16J15/34; F04B39/04; F04B53/00
Foreign References:
| JPH0266768U | 1990-05-21 | |||
| JPH0353675U | 1991-05-23 | |||
| JPS60129560U | 1985-08-30 |
Attorney, Agent or Firm:
MAEDA & SUZUKI (JP)
Maeda and a Suzuki international patent business corporation (JP)
Maeda and a Suzuki international patent business corporation (JP)
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