Slitting corrugated paperboard boxes

Details Slitting corrugated paperboard boxes Slitting corrugated paperboard boxes

1991-09-20

1992-10-27

Watts, Douglas D.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

By rotary tool

83 14, 834042, 83407, 83418, 493 71, 493 81, 493147, 493182, B21B 120

Patent

active

051585227

ABSTRACT:
Knocked down boxes made of corrugated paperboard are slit longitudinally in an on-line process directly downstream from the folder/gluer in which the boxes are formed. The boxes are first reoriented 90.degree. in a horizontal plane from the positions in which they are formed in the folder/gluer to a reoriented position for movement in a direction transverse to the box fold lines, the boxes are formed into a shingle in the direction of movement, and the shingle is conveyed in that direction into an alignment station. In the alignment station, the lateral edges of the boxes in the shingle are aligned vertically, while the shingle moves through the alignment station, by shifting the boxes transversely to the direction of movement. The aligned shingle is moved into a rotary slitting blade positioned above the shingle and having a cutting edge which extends downwardly below the underside of the shingle where it is received in a slot in a shingle support positioned below and on opposite sides of the blade immediately adjacent the slit edges of the shingle.

REFERENCES:
patent: 1705748 (1929-03-01), Bridgeman
patent: 3250162 (1966-05-01), Bunting
patent: 3690443 (1972-09-01), Snyder
patent: 4618341 (1986-10-01), Oldham et al.
patent: 4759741 (1988-07-01), Chisholm, Jr.
patent: 5014582 (1991-05-01), Teik

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