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.

Date of Patent:
Jul. 14, 2015

Filed:

May. 02, 2008
Applicants:

Jonathan Hewitt, Wigton, GB;

Martin Richard Cockroft, Wigton, GB;

Inventors:

Jonathan Hewitt, Wigton, GB;

Martin Richard Cockroft, Wigton, GB;

Assignee:

Innovia Films Limited, Wigton, Cumbria, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 27/32 (2006.01); B32B 7/06 (2006.01); B65B 51/10 (2006.01);
U.S. Cl.
CPC ...
B32B 7/06 (2013.01); B32B 27/32 (2013.01); Y10T 428/1352 (2015.01); Y10T 428/2495 (2015.01);
Abstract

A sealable and peelable film comprising a four layer coextrudate comprising a core layer contributing predominantly towards the thickness of the film, a first sealing layer provided on one side of the core layer and a second sealing layer, or alternatively a laminating layer, provided on the other side of the core layer, and the film comprising a peeling layer in between the first sealing layer and the core layer and/or in between the second sealing layer, or alternatively the laminating layer, and the core layer, and wherein the peeling layer is adjacent the first sealing layer and/or the second sealing layer and/or the laminating layer, and wherein the relative thickness of the peeling layer and its adjacent sealing and/or lamination layer (p:s/l ratio) is from 1:10 to 5:1.


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