Process for forming plastic corrugated container and intermediary blank
AssigneeORBIS Corporation
InventorsWilliam F. McMahon, Donald J. Balazs
Life of this patent
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Abstract
A corrugated plastic box and a method for manufacturing a corrugated plastic box from a blank are provided. The method includes the steps of forming rounded edge seals on the perimeter edges of the blank, pre-sealing portions of the blank to form a plurality of areas in which major and minor flap slots and a glue tab are desired, ultrasonically scoring the blank to form a plurality of flap score lines, and cutting the blank through the plurality of pre-sealed flap slots and glue tab, leaving a sealed edge.
Claims7
A blank for forming into a box comprising:
- a rectangular sheet of corrugated plastic having a plastic first outer layer, a plastic second outer layer and a plurality of parallel spaced apart plastic flutes like ribs extending between the first outer layer and the second outer layer, the sheet having an upper edge perpendicular to the plurality of flutes and a lower edge perpendicular to the plurality of flutes;
- a first plurality of spaced apart rectangular flattened segments, each flattened segment formed from a portion of the first outer layer, a portion of the second outer layer and a portion of the plurality of ribs, each flattened segment extending from the upper edge partway toward the lower edge at locations where slots will be formed at a top of the sheet.
The blank of 1 wherein each of the first plurality of flattened segments has a ridged upper surface.
Dependencies are inferred from the claim text.