Method for forming corrugated paper container and container made therefrom
AssigneeNewark Group Industries, Inc.
InventorRobin P. Neary
Life of this patent
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AssigneeNewark Group Industries, Inc.
InventorRobin P. Neary
Estimating the term…
A method for forming a corrugated paperboard container and a container made therefrom having a first layer of flat paperboard to which is attached a second layer of contoured paperboard, said contoured layer having a plurality of flutes, each said flute including a first flute tip and a second flute tip, the flute rise being substantially vertical at the midpoint between said flute tips, said forming method comprising, placing the corrugated paperboard into a stamping die, the stamping die having a male die and a female cavity shaped in the shape in which the paperboard is to be formed; pressing the paperboard between the die and the cavity to apply a pressure to the paperboard; applying heat to the paperboard simultaneously with said application of pressure; and removing said die from the cavity.
A method for molding a corrugated paperboard container having a first layer of flat paperboard to which is attached a second layer of contoured paperboard, said contoured layer having a plurality of flutes, each said flute including a first flute tip and a second flute tip, each flute having a flute rise, the flute rise being substantially vertical at the midpoint between said flute tips, said forming method comprising, providing moisture to said paperboard, placing said corrugated paperboard into a stamping die, said stamping die having a male die and a female cavity shaped in the shape in which the paperboard is to be formed;
A method for molding a corrugated paperboard container having a first layer of flat paperboard to which is attached a second layer of contoured paperboard, said contoured layer having a plurality of flutes, each said flute including a first flute tip and a second flute tip, each flute having a flute rise the flute rise being substantially vertical at the midpoint between said flute tips, the first layer of paperboard having a thickness in the range of 0.3 mm to 1.5 mm, and the contoured layer of paperboard having a thickness in the range of 0.23 mm to 0.5 mm, said forming method comprising;
Dependencies are inferred from the claim text.