US Patent 7540072 Zipper construction for enhanced sealing
Patent 7540072 was granted and assigned to Illinois Tool Works on June, 2009 by the United States Patent and Trademark Office.
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Patent abstract
The use of coextruded or integral sealing ribs on zipper flanges enhances the quality of the sealing between the flanges and the walls of a reclosable package. The coextruded sealing ribs may be made from sealing resins or similar materials. Additionally, grip strips are placed on the opposite side of the flanges from the ribs in order to improve the quality of the sealing even further and to inhibit inner flange sealing.
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US Patent 07540072 Zipper construction for enhanced sealing US Patent 7540072 Zipper construction for enhanced sealing
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Patent Number
0754007200
Patent Number
754007200
Edits on 26 May, 2023
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Official Website
Edits on 30 Mar, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075400720
Date of Patent
June 2, 2009
0Patent Application Number
114746190
Date Filed
June 26, 2006
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075400720
Date of Patent
June 2, 2009
0Patent Application Number
114746190
Date Filed
June 26, 2006
0Official Website
Patent Primary Examiner
Edits on 15 Jun, 2022
Golden AI
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Infobox (+1 properties)
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Website URL
Edits on 2 Dec, 2021
Golden AI
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Infobox (+8 properties)
US Patent 07540072 Zipper construction for enhanced sealing
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07540072
Date of patent
June 2, 2009
Patent application number
11474619
Date Filed
June 26, 2006
Patent primary examiner
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