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. 05, 1988
Filed:
Jan. 28, 1987
Applicant:
Inventors:
Masaru Yasumune, Mihara, JP;
Junsaku Yamada, Onomichi, JP;
Assignees:
Furukawa Mfg. Co., Ltd., Tokyo, JP;
ECS Corp., Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65B / ;
U.S. Cl.
CPC ...
53434 ; 53479 ; 53512 ; 53372 ; 53373 ;
Abstract
In a vacuum packaging apparatus for packaging relatively large articles, a rotary valve is provided over a turntable having a plurality of vacuum chambers at its periphery so that an amount of air is supplementarily discharged from a vacuum chamber into one of other vacuum chambers before a complete vacuum is made and that a small amount of atmospheric air is sucked into the chamber to shrink preliminarily a packaging bag before its open end is sealed.