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  • US 3,317,109 A
  • Filed: 05/10/1965
  • Issued: 05/02/1967
  • Est. Priority Date: 05/10/1965
  • Status: Expired due to Term
First Claim
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1. A CONTAINER COMPRISING A TUBULAR BODY ELEMENT OF SEMI-RIGID SYNTHETIC PLASTIC SHEET MATERIAL AND POLYGONAL CROSS SECTION HAVING OVERLAPPING SIDE MARGINS AND A PLURALITY OF PERIPHERALLY SPACED, PARALLEL EXTENDING FOLDS THEREIN EACH DEFINING A CORNER OF SAID BODY ELEMENT, SAID FOLDS EXTENDING AXIALLY OF SAID BODY ELEMENT AND FOR THE MAJOR AXIAL EXTENT THEREOF, DEFINING SHARP ANGLES WHICH TERMINATE INWARDLY OF THE ENDS OF SAID BODY ELEMENT AND DEFINING SMOOTH ACCURATE CURVES AT SAID END PORTIONS AND END CLOSURES ENGAGED ON THE END PORTIONS OF SAID BODY ELEMENT AND DEFINING THE POLYGONAL CROSS-SECTIONAL CONFIGURATION OF SAID END PORTIONS, SAID END CLOSURES EACH HAVING A PERIPHERAL LIP PORTION WHICH EXTENDS ABOUT THE COOPER/ ATING END PORTION OF SAID BODY ELEMENT TO URGE SAID END PORTION INTO CONFORMITY THEREWITH.

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