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:
Jun. 29, 1993
Filed:
Dec. 20, 1991
Applicant:
Inventors:
Georg Kopp, Uhwiesen, CH;
Willy Altermatt, Neuhausen am Rheinfall, CH;
Assignee:
SIG Schweizerische Industrie-Gesellschaft, Neuhausen am Rheinfall, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ;
U.S. Cl.
CPC ...
383200 ; 229 8705 ; 383107 ;
Abstract
A packaging bag made of sheet material includes a longitudinal seal situated at the longitudinal bag edge and extending parallel to the bag length. The longitudinal seal bonds together at least two layers of sheet material. The packaging bag further has two transverse seals extending parallel to the bag width and intersecting the longitudinal seal. Each transverse seal bonds together at least two layers of sheet material. A tear-open slit is provided in the longitudinal seal and passes through at least three layers of sheet material of the packaging bag.