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, 2021
Filed:
Dec. 11, 2018
Applicant:
Mitani Valve Co., Ltd., Tokyo, JP;
Inventor:
Hiroshi Kanno, Tokyo, JP;
Assignee:
MITANI VALVE CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D 83/54 (2006.01); B65D 83/48 (2006.01); B65D 83/42 (2006.01);
U.S. Cl.
CPC ...
B65D 83/546 (2013.01); B65D 83/42 (2013.01); B65D 83/48 (2013.01);
Abstract
An aerosol dispenser having a metering valve mechanism having a metering chamber and a propellant-accommodating space region configured to be isolated from each other by an annular piston, and a metering formation seal valve configured to isolate the metering chamber from a contents accommodation space region in a propelling mode. In a contents filling mode the seal valve is moved by the flow of the filled contents in a direction away from the stem to allow the filled contents to flow into the contents accommodation space region.