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. 02, 2010
Filed:
Apr. 03, 1998
Larry W. Depoorter, Wichita Falls, TX (US);
Craig G. Wallington, Marion, IA (US);
Edgar A. Chow, Pearland, TX (US);
Robert A. Odabashian, Greer, SC (US);
Dilip K. Boal, Greenville, SC (US);
Larry W. Depoorter, Wichita Falls, TX (US);
Craig G. Wallington, Marion, IA (US);
Edgar A. Chow, Pearland, TX (US);
Robert A. Odabashian, Greer, SC (US);
Dilip K. Boal, Greenville, SC (US);
Cryovac, Inc., Duncan, SC (US);
Abstract
A patch bag comprises a heat-shrinkable bag comprising tubular bag film, and a heat-shrinkable patch comprising a patch film, the patch being adhered to the bag, the patch bag having a seal which is through both patches as well as through both lay-flat sides of the bag. A process for making the bag includes sealing an inside surface of the film tubing to itself, the sealing being carried out by applying heat to each of the patch outside surfaces, the heat being applied by a first means for heating and a second means for heating, the first and second means for heating being in alignment with one another, with the patches and bag tubing therebetween during sealing.