Compression plate assembly for a folder buckle chute

Details Compression plate assembly for a folder buckle chute Compression plate assembly for a folder buckle chute

1993-09-17

1995-08-01

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

B65H 4514

Patent

active

054375967

ABSTRACT:
In a buckle chute folding apparatus having at least one buckle chute and including a first pair of rollers for feeding one or more sheets into the buckle chute, the buckle chute including upper and lower chute plates having a predetermined gap therebetween and a plurality of stops positioned in within the buckle chute such that the sheet buckles and forms a bulge in the sheet that is grasp by a pair of folding rollers which complete the fold, an improvement comprising structure for narrowing the predetermined gap between the upper and lower chute plates whereby buckling of the sheet within the buckle chute is minimized. The narrowing structure comprises a pair of compression plates, each of the compression plates being secured respectively on the outer face of the upper and lower chute plates.

REFERENCES:
patent: 1390213 (1921-09-01), Olson
patent: 2190416 (1940-02-01), Davidson
patent: 4701233 (1987-10-01), Beck et al.
patent: 5048809 (1991-09-01), Tebbe et al.
patent: 5176614 (1993-01-01), Krasuski
patent: 5183246 (1993-02-01), Edwards et al.

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