Automatic machine and method for forming a corrugated pallet

Manufacturing container or tube from paper; or other manufacturi – Bending – Form-scoring

Reexamination Certificate

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C493S128000, C493S160000

Reexamination Certificate

active

11222478

ABSTRACT:
A folding and gluing machine is provided for converting a corrugated blank into a panel having at least two parallel struts formed from the blank. The machine forms the struts by having compression chains on each side that exert pressure on the sides of the blank so that struts are formed along weaken lines that have been formed in the blank by a slitter. The struts are formed along an L shaped anvil which has creasing rollers to start the formation of the struts. Each strut is composed of two legs which are glued together. The slitter may be incorporated as a part of the folding and gluing machine.

REFERENCES:
patent: 3978773 (1976-09-01), Pinto
patent: 4200032 (1980-04-01), Roda
patent: 5533954 (1996-07-01), Zogg
patent: 5807225 (1998-09-01), Nowacki et al.
patent: 6029582 (2000-02-01), Ogilvie, Jr. et al.
patent: 6159137 (2000-12-01), Lee et al.
patent: 6913164 (2005-07-01), Duquette
patent: 6944928 (2005-09-01), Johansson

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