The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 2014
Filed:
Nov. 16, 2009
Xianzhi Zhou, Guangzhou, CN;
Dong Xiao You, Dongguan, CN;
Xianzhi Zhou, Guangzhou, CN;
Dong Xiao You, Dongguan, CN;
Reckitt & Colman (Overseas) Limited, Slough, Berkshire, GB;
Abstract
A relief valve () for a liquid container, the valve comprising a substantially conical body () extending into the container, and tapering inwardly away from an external wall of the container, at least one air inlet passage () through the substantially conical body; and a flexible diaphragm () extending over the conical body, being attached at its outer periphery around the substantially conical body and having a central opening surrounding the substantially conical body above the air inlet passage so as to seal the air inlet passage until the pressure within the container falls below a predetermined level.