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US 11,325,740 B2Granted
Straight consistent body scores on plastic corrugated boxes and a process for making same
AssigneeORBIS Corporation
InventorsDonald J. Balazs, William F. McMahon
Life of this patent
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Abstract
The invention is directed to straight, consistent body scores on plastic corrugated boxes and a process for making the body scores.
Claims19
A method for forming a fold line between side wall panels of a plastic corrugated blank for forming a box comprising:
- providing a sheet of plastic corrugated material having a first outer layer, a second outer layer and a plurality of flutes extending between the first outer layer and the second outer layer;
- forming a first welded portion having a first welded portion width proximate a first end of a side wall portion of the blank;
- and,
- forming a first segment of a first fold line having a first segment width less than the first welded portion width in the first welded portion.
1 more element
A method for forming a fold line between side wall panels of a plastic corrugated blank for forming a box comprising:
- forming four welded portions at positions for corners of the box at a top end of a side wall portion of the blank, wherein each welded portion at the top end has a welded portion width;
- forming four welded portions at positions for corners of the box at a bottom end of the side wall portion of the blank, wherein each welded portion at the bottom end has a welded portion width;
- forming a segment of a fold line in each of the four welded portions in the top end of the side wall portion, wherein each segment in the welded portions in the top end has a width less than the width of the welded portions in the top end;
- and,
- forming a segment of the fold line each of the four welded portions in the bottom end of the side wall portion, wherein each segment in the welded portions in the bottom end has a width less than the width of the welded portions in the bottom end.
2 more elements
Dependencies are inferred from the claim text.