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:
Feb. 12, 2002
Filed:
Aug. 03, 1998
Applicant:
Inventor:
Satoshi Mekata, Ibraki, JP;
Assignee:
Daizo Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 8/360 ;
U.S. Cl.
CPC ...
B65D 8/360 ;
Abstract
A process for producing a double dispensing device having a piston ( ) functioning a check valve for allowing a gas to move from below to the above the piston, while preventing it from moving from above to below, said process comprising steps of loading a pressurized gas insoluble in a stock solution into a first chamber (N ) to below said piston ( ) through a valve ( ), allowing said pressurized gas to move into a second chamber (N ) above said piston (process S ), and transferring said pressurized gas in said first chamber (N ) into said second chamber (N ) by similarly loading stock solution into said first chamber (N ) (process S ).