Title:
VALVE
Document Type and Number:
WIPO Patent Application WO/2002/065007
Kind Code:
A1
Abstract:
The invention relates a valve for gas or fluid pipe comprising a valve body, avalve cap, a valve element with a head section, a sealing element, and an actuator, wherein the sealing element is a bellows which has a bottom (3) inserted into the head section (4) of the valve element, and a bellows side (6) between the valve body and the valve cap so as to seal. The present invention has good sealing, long working-life, simplify in structure, and low cost.
Inventors:
ZHOU SHIYOU (CN)
Application Number:
PCT/CN2002/000082
Publication Date:
August 22, 2002
Filing Date:
February 09, 2002
Export Citation:
Assignee:
ZHOU SHIYOU (CN)
International Classes:
F16K41/10; (IPC1-7): F16K41/10; F16K7/16
Foreign References:
| CN2209255Y | 1995-10-04 | |||
| CN2226176Y | 1996-05-01 | |||
| EP0271771A2 | 1988-06-22 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (Ocean Plaza 158 Fuxingmennei Street, Beijing 1, CN)
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