Title:
DIAPHRAGM VALVE
Document Type and Number:
WIPO Patent Application WO/2010/130067
Kind Code:
A1
Abstract:
A valve for liquid comprises a body (3), a top head or a joint (4). The body which is surrounded by an annulus joint (34) has a through hole on it. The annulus joint which has hole (340) in it, is integrated molding with at least one ferrule (35) wrapped in it. And the top head or the joint (4) also has an annulus joint which is integrated molding with at least one ferrule (44) wrapped in it. After the body combined with the top head or the joint, the valve can bear high press from the liquid, and such will prolong its life and can be used for many situations.
Inventors:
TSAI CHI-LUNG (CN)
Application Number:
PCT/CN2009/000526
Publication Date:
November 18, 2010
Filing Date:
May 15, 2009
Export Citation:
Assignee:
SHIE YU MACHINE PARTS IND CO L (CN)
TSAI CHI-LUNG (CN)
TSAI CHI-LUNG (CN)
International Classes:
F16K7/00
Foreign References:
| CN2386279Y | 2000-07-05 | |||
| DE2307580A1 | 1974-09-05 | |||
| CN2795585Y | 2006-07-12 | |||
| CN2869514Y | 2007-02-14 | |||
| JP2004255460A | 2004-09-16 |
Other References:
See also references of EP 2431639A4
None
None
Attorney, Agent or Firm:
CHINA TRADEMARK & PATENT LAW OFFICE CO., LTD. (14 Yuetan Nanjie Yuxin Bld., Xicheng, Beijing 5, CN)
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Claims:
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