Process for Forming Plastic Corrugated Container with Ultrasonically Formed Score Lines
AssigneeORBIS Corporation
InventorsWilliam F. McMahon, Donald J. Balazs
Life of this patent
Estimating the term…
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.
Claims22
1-20. (canceled)
A process for forming a re-useable plastic corrugated box comprising the steps of:
- providing a sheet of plastic corrugated material having a top edge and a bottom edge;
- and,
- ultrasonically forming a first score line in the sheet of plastic corrugated material using an ultrasonic device.
A process for forming a plastic corrugated box comprising:
- providing a generally rectangular sheet of plastic corrugated material having a first outer layer, a second outer layer and a plurality of ribs extending in a first direction between the first and second outer layers;
- forming a plurality of fold lines in the sheet in the first direction and defining a plurality of side panels of the box;
- and,
- ultrasonically forming a plurality of score lines in the sheet in a second direction substantially perpendicular to the first direction and defining a plurality of bottom flaps extending from a bottom portion of the side panels.
41-80. (canceled)
Dependencies are inferred from the claim text.