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:
Aug. 12, 2008
Filed:
Jun. 12, 2006
Applicants:
Eric Fenzl, Loganville, GA (US);
Gregory Crunkleton, Nicholson, GA (US);
Inventors:
Eric Fenzl, Loganville, GA (US);
Gregory Crunkleton, Nicholson, GA (US);
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B31B 1/90 (2006.01); B65B 61/18 (2006.01); B32B 37/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention includes a method and apparatus wherein webless zipper is provided with concave seal bridges. These concave seal bridges are complementary in shape to convex sealing bars. This captures or positions the seal bridges of the zipper profiles resulting in improved alignment of the profiles and improved performance of the manufacturing apparatus.