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Patent Searching and Data


Title:
GATE VALVE
Document Type and Number:
WIPO Patent Application WO/2020/235594
Kind Code:
A1
Abstract:
Provided are a compact gate valve having high durability and a method for installing the gate valve. This gate valve is provided with: a valve box 12 for accommodating a valve body; and a sealing band 13 for covering, in a sealed state, the gap between a pair of fluid pipes W and the valve box 12, wherein the valve box 12 has a pair of protruding pipe parts 12B protruding in a pipe axis direction X from a main body of the valve box, the sealing band 13 is configured by a plurality of split members Ba in which a pair of main body parts B1 that cover, in a sealed state, respective fluid pipes W1, W2 and the protruding pipe parts 12B, and a connection part B3 that connects the pair of main body parts B1 are integrally formed, and which are split in the circumferential direction of the fluid pipe W.

Inventors:
BEKKI HIROYUKI (JP)
Application Number:
PCT/JP2020/019944
Publication Date:
November 26, 2020
Filing Date:
May 20, 2020
Export Citation:
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Assignee:
WATERWORKS TECHNOLOGY DEV ORG (JP)
International Classes:
F16K3/00; F16K27/00; F16K27/04; F16L21/06; F16L55/00; F16L55/105
Foreign References:
JPH0681377A1994-03-22
JP2003106484A2003-04-09
GB2477162A2011-07-27
JP2005180523A2005-07-07
JP2009185952A2009-08-20
JP2016098920A2016-05-30
JP2006515406A2006-05-25
US20160327198A12016-11-10
JP2007170681A2007-07-05
Other References:
See also references of EP 3974690A4
Attorney, Agent or Firm:
R&C IP LAW FIRM (JP)
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