US Patent 7470063 Reclosable bags having a tear-open string

Patent 7470063 was granted and assigned to Illinois Tool Works on December, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Illinois Tool Works

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74700630

Patent Inventor Names

Murray Edward Bruce Leighton0

Date of Patent

December 30, 2008

Patent Application Number

105228250

Date Filed

July 28, 2003

Patent Primary Examiner

‌

Jes F Pascua

Patent abstract

A reclosable bag (22) has a top seal (26) and a reclosable zipper (14). A tear string (16) passes through the top seal (26) and has a free end which can be grasped to open the top seal. The bag is made using cross-web technology with the tear strings (16) being attached to the lengths of zipper and the free ends of the strings being concertinaed in the top seal zone.

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