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.

Date of Patent:
Sep. 22, 1981

Filed:

Dec. 18, 1979
Applicant:
Inventors:

Klaus Domke, Ditzingen, DE;

Walter Saur, Ditzingen, DE;

Assignee:

Robert Bosch GmbH, Stutgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B / ; B65B / ; B65B / ;
U.S. Cl.
CPC ...
53410 ; 53456 ; 53469 ; 53403 ; 53404 ; 53480 ; 493213 ; 493220 ;
Abstract

Method of manufacturing a filled packaging container comprising the steps of forming a bag on a mandrel, connecting a seam provided in a formed bag, forming a hole on an upper side of the bag and inserting a valve into the hole to provide an air pressure release after filling the container with a material. Two opposite edges of the valve are formed with two flexible portions made of foil. A sealing fluid is applied in the channel to provide a fluid film to connect the foil portions.


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