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:
Jul. 07, 1992
Filed:
Jun. 25, 1990
Applicant:
Inventors:
Yasushi Takayanagi, Gunma, JP;
Ryoichi Sekiguchi, Gunma, JP;
Assignee:
Sanden Corporation, Gunma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47J / ;
U.S. Cl.
CPC ...
9928 / ; 9930 / ;
Abstract
A beverage extracting apparatus for vending machines includes a cylindrical mixing chamber having an inflow port on its upper portion and an opening on its bottom portion. A first valve mechanism opens and closes the inflow port. A second auxiliary valve mechanism of a smaller diameter than the first valve mechanism seats against the first valve mechanism. After the brewing operation is completed, the mixing chamber is exhausted of high pressure gas by the unseating of the auxiliary valve mechanism.