Folding drum in a folding machine for a rotary press

Details Folding drum in a folding machine for a rotary press Folding drum in a folding machine for a rotary press

1991-01-08

1992-06-16

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493431, 493471, B41F 1362, B65H 4516

Patent

active

051221098

ABSTRACT:
In a known folding drum of a folding machine for use with a rotary press, a web to be cut on the folding drum is guided and held by a plurality of parallel bands aligned in the axial direction of the folding drum and spanning a gap of the folding drum. Tips of a folding blade project to the outside of the folding drum through the gaps between the respective bands. In the present invention, at least two bands are integrally connected by a respective band mount portion with a plurality of groups of such integrally connected bands being provided. Each band mount portion is mounted to the folding drum via respective adjusting devices such that the expansion of the bands of each group thereof in the circumferential direction of the folding drum can be adjusted. Preferably, each adjusting device includes an adjusting plate engaged with an adjusting rack to which the bands are mounted, and an adjusting shaft. The adjusting plate is mounted to the adjusting shaft at an eccentric position with respect to its engagement with the adjusting rack.

REFERENCES:
patent: 4437855 (1984-03-01), Bullen

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