Apparatus for folding paper sheets or the like

Details Apparatus for folding paper sheets or the like Apparatus for folding paper sheets or the like

1978-03-20

1980-09-09

Burr, Edgar S.

Sheet-material associating

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Signature associating

270 54, B65H 4522

Patent

active

042213738

ABSTRACT:
Paper sheets which are creased during transport from a magazine to a folding station are delivered between the outer side of a straight reach of an elastic belt conveyor and a row of folding rollers whose radially outwardly tapering peripheral portions extend into a groove in the outer side of the conveyor whereby the rollers fold the sheets along the creases. The straight reach of the conveyor is propped from the inside by a set of rollers which are adjustable toward and away from the row of folding rollers to account for different thicknesses, stiffnesses and/or other characteristics of the sheets. The taper of peripheral portions of successive folding rollers increases in the direction of transport of sheets.

REFERENCES:
patent: 3297315 (1967-01-01), Kunz
patent: 3534953 (1970-10-01), Appleby
patent: 3931963 (1976-01-01), Bewersdorf
patent: 3961783 (1976-06-01), Beaudoin

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