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.:

US 6884208 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 26, 2005

Filed:

Sep. 05, 2003
Applicant:

Lewis Albert Haws, Knoxville, TN (US);

Inventor:

Lewis Albert Haws, Knoxville, TN (US);

Assignee:

Illinois Tool Works Inc., Glenview, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B31B001/84 ;
U.S. Cl.
CPC ...
Abstract

Methods and apparatus for eliminating unattached remnants or tails of bag making film adjacent a string zipper during manufacture of reclosable bags. Gathered film tails may interfere with slider insertion or slider operation or may cause the film to be pulled off of or peeled away from the string zipper during slider operation. After trimming, the tails of the film are welded to the zipper by conductive heat sealing or equivalent means.


Find Patent Forward Citations

Loading…