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:
May. 04, 2010
Filed:
Sep. 02, 2005
Kazuya Tanaka, Kashihara, JP;
Kazuya Tanaka, Kashihara, JP;
Other;
Abstract
A deaeration valve comprising two valve filmsof synthetic resin that put one on the other, having an air passagedefined by two seal sectionsformed by means of bonding parts of the valve films together, wherein the inletof the air passageis defined by the straight line linking the respective upward flow side end sectionsof the seal sections; the outletof the air passage is defined by the straight line linking the respective downward flow side end sectionsof the seal sections; and in at least one of the seal sections, the valve filmsare not bonded together at the line of extensionof the seal section, situated on the downward flow side of the downward flow side end sectionof the seal section