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Method for packaging articles using pre-perforated heat shrink film
 
   
Document Number
US Patent 7328550
Issued Date
February 12, 2008
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Abstract
A method for enclosing articles in heat-shrink film and for perforating or slitting the heat shrink film.
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Number of Claims:
20
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Owner
Douglas Machine Inc. (Alexandria, MN)
Published
February 12, 2008
Application Number
11/185,116
Filed
July 20, 2005
US Classification
53/442   53/557
Int'l Classification
B65B   53/02   (20060101)  
Parent Case
The present application is a continuation of co-pending application Ser. No. 10/680,463, filed Oct. 7, 2003, now abandoned, which claims benefit of application Ser. No. 60/473,372, filed May 23, 2003.
USPTO Field of Search
53/442   53/557  
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