Method and apparatus for forming carton blanks

Details Method and apparatus for forming carton blanks Method and apparatus for forming carton blanks

1989-05-05

1990-10-16

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

And with bending

493342, 493400, 493472, B31B 116, B31B 125, B31B 112

Patent

active

049631268

ABSTRACT:
Method and apparatus for preventing the curling of a composite material having a fluid permeable base and a fluid impermeable outer surface in a manufacturing operation wherein a continuous sheet of the composite material is moved in incremental amounts through a cutter-creaser apparatus to have carton blanks formed therein wherein the curling is prevented by forming a curtain of air under pressure to apply downwardly directed forces on the fluid impermeable surface during the incremental movement of the continuous sheet through the cutter-creaser apparatus and the forming of the carton blanks.

REFERENCES:
patent: 2425041 (1947-08-01), Luehrs
patent: 3137218 (1964-06-01), Elliott
patent: 4386924 (1983-06-01), Crawford et al.

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