Method and apparatus for slitting and scoring corrugated paperbo

Details Method and apparatus for slitting and scoring corrugated paperbo Method and apparatus for slitting and scoring corrugated paperbo

1996-06-10

1997-11-25

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

83407, 83886, 83884, 493399, 493402, B31D 504, B31F 110

Patent

active

056906013

ABSTRACT:
Corrugated paperboard box blanks are formed with corner fold lines defined by a colinear slit and score. The score deflects one slit edge of the liner out of the plane of the blank such that, when a subsequent lateral fold is made on the line, one slit edge tucks consistently under the other along the full length of the fold line. The resultant box blanks fold more squarely than prior art folded boxes with no significant loss in the compressive strength of the box.

REFERENCES:
patent: 1129481 (1915-02-01), Goress
patent: 1605518 (1926-11-01), Davis
patent: 2185675 (1940-01-01), Mitchell et al.
patent: 5002524 (1991-03-01), Mills
patent: 5466211 (1995-11-01), Komarek et al.

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