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:
Nov. 05, 1991
Filed:
Apr. 27, 1990
Donald L Van Erden, Wildwood, IL (US);
Daniel P McDonald, Arlington Heights, IL (US);
Steven Ausnit, New York, NY (US);
Zip-Pak Incorporated, Northbrook, IL (US);
Abstract
A plastic film bag for foodstuffs or the like having opposed film bag walls joined at their edges and forming a mouth between the walls and at one side reclosable fastener strips between the walls at the bag mouth having facing releasably interlocking profiles thereon with a sealing strip extending from one profile to the wall of the other profile with the sealing strip being sufficiently broad to avoid stress thereon and preferably with the sealing strip having a frangible fracture line extending substantially parallel to the profile to be torn when the profiles are first separated with the fracture line formed in various ways including perforations, or a score line, or an insert in the sealing web defining the frangible fracture line or the web being formed of multiple parts joined by a portion that fracture more easy than the sealing web.