US Patent 9238526 Tear strip creation on zipper flanges
Patent 9238526 was granted and assigned to Illinois Tool Works on January, 2016 by the United States Patent and Trademark Office.
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Patent abstract
The disclosure pertains to various embodiments of zippers with a tear flange for use in a reclosable flexible package or bag. A line of weakness can be introduced into the tear flange by application of a peel seal polymer resin or of a foaming agent. The disclosure includes further embodiments wherein lines of weakness are introduced into the flange of zippers in reclosable packages or bags.
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US Patent 09238526 Tear strip creation on zipper flanges US Patent 9238526 Tear strip creation on zipper flanges
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Patent Number
0923852600
Patent Number
923852600
Edits on 25 Mar, 2023
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
092385260
Date of Patent
January 19, 2016
0Patent Application Number
131938340
Date Filed
July 29, 2011
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
092385260
Date of Patent
January 19, 2016
0Patent Application Number
131938340
Date Filed
July 29, 2011
0Official Website
Patent Primary Examiner
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US Patent 09238526 Tear strip creation on zipper flanges
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
09238526
Date of patent
January 19, 2016
Patent application number
13193834
Date Filed
July 29, 2011
Patent primary examiner
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