Title:
VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/131244
Kind Code:
A1
Abstract:
A drain trap 1 equipped with: a casing 10 in which a flow path for a fluid is formed; and a second valve mechanism 40 which opens and closes the flow path, and has a second valve seat 52 having a circular seating surface 52a, and a second valve body 42 that separates from/attaches to the seating surface 52a of the second valve seat 52 when displaced. The second valve seat 52 is held so as to be capable of advancing and retracting in the center axis X direction of the aforementioned circle, and is held so as to be capable of rotating around the center axis X of the circle, such that the seating surface 52a of the second valve seat 52 and a seating surface 42a of the second valve body 42 can separate from and make contact with each other.
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Inventors:
OIKE TADASHI (JP)
Application Number:
PCT/JP2017/037783
Publication Date:
July 19, 2018
Filing Date:
October 19, 2017
Export Citation:
Assignee:
TLV CO LTD (JP)
International Classes:
F16K1/42; F16K31/18; F16T1/22
Foreign References:
| JPS6166270U | 1986-05-07 | |||
| JP2008045615A | 2008-02-28 | |||
| JPS53116526A | 1978-10-12 | |||
| JPH0979489A | 1997-03-25 | |||
| JP2002276893A | 2002-09-25 | |||
| JP2002089785A | 2002-03-27 |
Other References:
See also references of EP 3569900A4
Attorney, Agent or Firm:
TERAZONO Kenichi et al. (JP)
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