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:
Mar. 31, 1992
Filed:
Oct. 09, 1990
Applicant:
Inventors:
Frank La Pierre, Chicago, IL (US);
Daniel P McDonald, Arlington Heights, IL (US);
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
383204 ; 383 61 ; 383 65 ; 383 95 ;
Abstract
An easy-open container having a membrane forming the top edge of the container and hermetically sealing the contents thereof. The membrane is disposed inward from the mouth of the bag, leaving portions of the bag walls extending upward beyond the container top edge to form guide rails which facilitate opening of the container to gain access to the bag contents. A membrane for sealing the mouth opening of a bag-like structure. A method for making a membrane as aforesaid and a method for making an easy-open container having the structure aforesaid are also provided.