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.
More Like This:
JPS598170 | [Title of the device] The both-way valve system of a gas meter |
JP4870856 | Z valve |
WO/2020/257898 | CONTROL VALVE WITH SLIDING CONTROLLER |
Inventors:
BEKKI HIROYUKI (JP)
Application Number:
PCT/JP2020/019944
Publication Date:
November 26, 2020
Filing Date:
May 20, 2020
Export Citation:
Assignee:
WATERWORKS TECHNOLOGY DEV ORG (JP)
International Classes:
F16K3/00; F16K27/00; F16K27/04; F16L21/06; F16L55/00; F16L55/105
Foreign References:
JPH0681377A | 1994-03-22 | |||
JP2003106484A | 2003-04-09 | |||
GB2477162A | 2011-07-27 | |||
JP2005180523A | 2005-07-07 | |||
JP2009185952A | 2009-08-20 | |||
JP2016098920A | 2016-05-30 | |||
JP2006515406A | 2006-05-25 | |||
US20160327198A1 | 2016-11-10 | |||
JP2007170681A | 2007-07-05 |
Other References:
See also references of EP 3974690A4
Attorney, Agent or Firm:
R&C IP LAW FIRM (JP)
Download PDF:
Previous Patent: DENTAL DEVICE AND PRODUCTION METHOD THEREFOR
Next Patent: AIRCRAFT MEMBER JOINING STRUCTURE, AND JOINING TOOL FOR AIRCRAFT MEMBERS
Next Patent: AIRCRAFT MEMBER JOINING STRUCTURE, AND JOINING TOOL FOR AIRCRAFT MEMBERS