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. 05, 2002
Filed:
Jun. 04, 2001
Applicant:
Inventor:
Georges Henri Bois, Neuilly-sur-Seine, FR;
Assignee:
Flexico-France, Henonville, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B 9/20 ;
U.S. Cl.
CPC ...
B65B 9/20 ;
Abstract
The present invention relates to a method of manufacturing packaging bags having lateral bellows, the method being characterized by the fact that it comprises the steps consisting in: forming respective cutouts ( ) in each of the two lateral, bellows-forming zones of a packaging bag sheet ( ) so that the bag has only two thicknesses superposed at the mouth of said bellows, at least over a portion of its width; and heat-sealing ( ) the adjacent edges of the sheet to the peripheries of the cutouts ( ) to close the bag. The invention also provides apparatus for implementing the method and bags obtained thereby.