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. 19, 1991
Filed:
Nov. 13, 1989
Applicant:
Inventors:
Shunichi Nakayama, Takasaki, JP;
Yasushi Takayanagi, Akabori, JP;
Assignee:
Sanden Corporation, Gunma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
222394 ; 2221291 ; 222399 ; 222189 ; 2224007 ; 222484 ;
Abstract
In a dispensing unit comprising a gas path which is for supplying gas into a bottle to thereby dispense a beverage contained in the bottle, the gas path extends along a substantial U-shape. The gas path is provided with a plurality of check valves therein in series. Each of the check valves is for preventing a counterflow of the beverage in the gas path.