Method of producing a collapsed container and a unitary blank therefor

Claim 1

A METHOD OF PRODUCING A COLLAPSED CONTAINER HAVING INTEGRAL TOP AND BOTTOM END CLOSURES FORMED FROM A UNITARY BLANK COMPRISING THE STEPS OF PROVIDING A SHEET OF CONTAINER MATERIAL, PRE-CUTTING SAID SHEET OF CONTAINER MATERIAL TO PRODUCE PREDETERMINED CUT-THROUGH PORTIONS THEREIN, LAMINATING A LINER SHEET TO SAID SHEET OF CONTAINER MATERIAL TO PRODUCE A COMPOSITE LAMINATED SHEET, PROVIDING A LAP SIDE SEAM PORTION OF SAID LINER SHEET FREE AND UNATTACHED TO SAID SHEET OF CONTAINER MATERIAL, SAID LINER SHEET BRIDGING OVER AND SEALING SAID CUT-THROUGH PORTIONS OF SAID CONTAINER MATERIAL, FORMING CREASE LINES IN SAID LAMINATED SHEET TO DEFINE FOUR ADJACENT CONTAINER BODY SIDE WALLS, LAP SIDE SEAM PORTIONS AND TOP AND BOTTOM END CLOSURES EXTENDING FROM SAID SIDE WALLS, CUTTING SAID CREASED LAMINATED SHEET TO CONTAINER BLANK SIZE AND CONFIGURATION TO PRODUCE A BLANK HAVING A LINER SHEET OF THE SAME SIZE AND CONFIGURATION AS AND ENTIRELY COVERING SAID BLANK AND HAVING ONE LAP SIDE SEAM PORTION WITH THE LINER SHEET SECURED TO SAID CONTAINER MATERIAL AND ANOTHER LAP SIDE SEAM PORTION HAVING THE LINER SHEET FREE OF ATTACHMENT THEREWITH, SAID BRIDGED OVER CUT-THROUGH PORTIONS OF SAID CONTAINER MATERIAL BEING DISPOSED INTERIORLY OF THE EDGES OF SAID BLANK, APPLYING ADHESIVE TO SAID ONE LAP SIDE SEAM PORTION, FOLDING SAID BLANK ALONG TWO OF SAID BODY SIDE WALL CREASES TO POSITION TWO OF SAID BODY SIDE WALLS IN OVERLAPPING RELATION TO THE REMAINING TWO BODY SIDE WALLS, INTERPOSING SAID ONE LAP SIDE SEAM PORTION OF SAID BLANK INTO POSITION BETWEEN THE FREE PORTION OF SAID LINER SHEET AND ITS OVERLAPPING LAP SIDE SEAM PORTION OF SAID CONTAINER MATERIAL, AND PRESSING SAID LAP SIDE SEAM PORTIONS TOGETHER TO BOND THEM INTO A LAP SIDE SEAM TO UNITE SAID BODY SIDE WALLS INTO A COLLAPSED CONTAINER HAVING A FULL LINING INCLUDING SAID TOP AND BOTTOM END CLOSURES AND WITH SAID LINER SHEET ENCLOSING THE INTERIORLY DISPOSED RAW EDGE OF SAID CONTAINER MATERIAL IN SAID SIDE BEAM.

Claim 2

A METHOD OF PRODUCING A COLLAPSED CONTAINER HAVING INTEGRAL TOP AND BOTTOM END CLOSURES FORMED FROM A UNITARY BLANK COMPRISING THE STEPS OF PROVIDING A SHEET OF CONTAINER MATERIAL, PRE-CUTTING SAID SHEET OF CONTAINER MATERIAL TO PRODUCE PREDETERMINED CUT-THROUGH PORTIONS THEREIN, LAMINATING A LINER SHEET TO SAID SHEET OF CONTAINER MATERIAL TO PRODUCE A COMPOSITE LAMINATED SHEET, PROVIDING A LAP SIDE SEAM PORTION OF SAID LINER SHEET FREE AND UNATTACHED TO SAID SHEET OF CONTAINER MATERIAL, SAID LINER SHEET BRIDGING OVER AND SEALING SAID CUT-THROUGH PORTIONS OF SAID CONTAINER MATERIAL, FORMING CREASE LINES IN SAID LAMINATED SHEET TO DEFINE FOUR ADJACENT CONTAINER BODY SIDE WALLS, LAP SIDE SEAM PORTIONS AND TOP AND BOTTOM END CLOSURES EXTENDING FROM SAID SIDE WALLS, CUTTING SAID CREASED LAMINATED SHEET TO CONTAINER BLANK SIZE AND CONFIGURATION TO PRODUCE A BLANK HAVING A LINER SHEET OF THE SAME SIZE AND CONFIGURATION AS AND ENTIRELY COVERING SAID BLANK AND HAVING ONE LAP SIDE SEAM PORTION WITH THE LINER SHEET SECURED TO SAID CONTAINER MATERIAL AND ANOTHER LAP SIDE SEAM PORTION HAVING THE LINER SHEET FREE OF ATTACHMENT THEREWITH, SAID BRIDGED OVER CUT-THROUGH PORTIONS OF SAID CONTAINER MATERIAL BEING DISPOSED INTERIORLY OF THE EDGES OF SAID BLANK, APPLYING ADHESIVE TO SAID ONE LAP SIDE SEAM PORTION, FOLDING SAID BLANK ALONG TWO OF SAID BODY SIDE WALL CREASES TO POSITION TWO OF SAID BODY SIDE WALLS IN OVERLAPPING RELATION TO THE REMAINING TWO BODY SIDE WALLS, INTERPOSING SAID ONE LAP SIDE SEAM PORTION OF SAID BLANK INTO POSITION BETWEEN THE FREE PORTION OF SAID LINER SHEET AND ITS OVERLAPPING LAP SIDE SEAM PORTION OF SAID CONTAINER MATERIAL, AND PRESSING SAID LAP SIDE SEAM PORTIONS TOGETHER TO BOND THEM INTO A LAP SIDE SEAM TO UNITE SAID BODY SIDE WALLS INTO A COLLAPSED CONTAINER HAVING A FULL LINING INCLUDING SAID TOP AND BOTTOM END CLOSURES AND WITH SAID LINER SHEET ENCLOSING THE INTERIORLY DISPOSED RAW EDGE OF SAID CONTAINER MATERIAL IN SAID SIDE BEAM.