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. 30, 2006
Filed:
Dec. 22, 2003
Mark Joseph Caires, San Jose, CA (US);
Helmut Richard Elze, Oakland, CA (US);
Olaf Dietrich Elze, Walnut Creek, CA (US);
Mark Joseph Caires, San Jose, CA (US);
Helmut Richard Elze, Oakland, CA (US);
Olaf Dietrich Elze, Walnut Creek, CA (US);
Other;
Abstract
A valve for an airtight flexible container such as a dunnage bag including a bowl with openings and extending through an opening in the container A flange around the rim of the bowl is heat welded to the container around the opening. One end of a housing is screwed into the rim of the bowl. A cap is removably press fit onto an opposite end of the housing. A spider extending across the housing supports a plug which is spring mounted on the spider and biased to close the lower end of the housing by compressed air in the container. Compressed gas inside the container is released by removing the cap and pressing on the plug to dislodge the plug from its seat on the one end of the housing or by unscrewing and entirely separating the housing from the bowl.