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Apparatus and method for forming a container having an enhanced corner support structure
 
   
Document Number
US Patent 7470226
Issued Date
December 30, 2008
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Abstract
An apparatus automatically forms a paperboard blank into a container having a double glued side wall construction for providing an enhanced strength to the container. A platen drives the blank through mechanically powered forming rails for an initial folding of the blank into a partially formed container having a bottom, end and side walls, and inside corner supports. A compression plate and folding arms are biased against adhesive portions of the partially formed container for forming a fully formed container having a double glued side wall construction.
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Number of Claims:
9
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Owner
R & L Manufacturing (Vero Beach, FL)
Published
December 30, 2008
Application Number
11/467,312
Filed
August 25, 2006
US Classification
493/143   493/125 493/167 493/177 493/55
Int'l Classification
B31B   1/48   (20060101)  
Parent Case
CROSS REFERENCE TO RELATED APPLICATIONS This application incorporates by reference and claims priority to application Ser. No. 60/711,277 FOR "Horizontal Feed Tray Forming Apparatus" having filing date Aug. 25, 2005 and to application Ser. No. 10/721,962 filed Nov. 25, 2003 for "Apparatus and Method for Forming a Double Glued Corner Tray Structure" which itself claims priority to application Ser. No. 60/429,319 filed Nov. 26, 2002 for "Tray Forming Apparatus And Method Of Forming A Double Glued Corner Tray Structure," all being commonly owned.
USPTO Field of Search
493/55   493/143   493/124   493/125   493/126   493/167   493/124   493/125   493/126  
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