Apparatus and process for the zigzagged folding and stacking of

Details Apparatus and process for the zigzagged folding and stacking of Apparatus and process for the zigzagged folding and stacking of

1989-10-23

1992-02-04

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493410, 493415, 493423, B65H 4520, B65H 45101

Patent

active

050856243

ABSTRACT:
Apparatus for the zigzagged folding and stacking of a web of material fed from below and, further, for conveying away stacks as they are finished. The apparatus comprises a reciprocating carriage containing deflection members that define a reciprocating passage through which web feeds from below and two supporting belts associated with the deflection members. The belts have upper stack-supporting surfaces that alternately lengthen and shorten as the deflection members reciprocate to form a stack. Compensating arrangements accommodate changes in length of those upper surfaces. To convey away finished stacks, one belt is endless. A releasable holding element clamps the endless belt to the carriage during stack formation but releases the belt for conveying away stacks. A drive unit is provided to drive the endless belt, when unclamped, for conveying away stacks.

REFERENCES:
patent: 3972519 (1976-08-01), Melzer
patent: 4573670 (1986-03-01), Felix
patent: 4670001 (1987-06-01), Campbell et al.
patent: 4681003 (1987-07-01), Bernath

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