Title:
AIR RELEASE VALVE
Document Type and Number:
WIPO Patent Application WO/2009/033313
Kind Code:
A1
Abstract:
An air release valve (100) inserted in an aperture of a lid body includes an umbrella
film sheet (110), a gripping portion (120) protruded on the top of the umbrella
film sheet (110), a column body (130) situated under the umbrella film sheet (110)
and at least two venting grooves (150). A restricting portion (133) is protruded
outwardly and formed in the middle portion of the column body (130). The restricting
portion (133) divides the column body (130) into a first engaging portion (131)
and a second engaging portion (132). Multiple blocking pieces (140) are protruded
outwardly and formed at the end of the column body (130). Each venting groove (150)
is formed by connecting a first venting groove (151) provided on the surface of
the column body (130) and between the blocking pieces (140) with a second venting
groove (152) situated on the bottom face (111) of the umbrella film sheet (110).
Inventors:
CHEN, Xinyu (No. 2, 28 Lane Zhongmei Street,Taizhong, Taiwan, Taiwan, CN)
Application Number:
CN2007/002685
Publication Date:
March 19, 2009
Filing Date:
September 11, 2007
Export Citation:
Assignee:
CHEN, Xinyu (No. 2, 28 Lane Zhongmei Street,Taizhong, Taiwan, Taiwan, CN)
International Classes:
F16K24/00; B65D51/16; B65D81/20; F16K24/00; B65D51/16; B65D81/20
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (YU Gang, Floor 16 Tower A, Indo Building,A48 Zhichun Road,Haidian District, Beijing, 10098, CN)