Grooved paper folding rollers

Details Grooved paper folding rollers Grooved paper folding rollers

1991-12-30

1993-01-19

Look, Edward K.

Sheet-material associating

Associating and folding

Sheet associating

493420, B42C 100, B31F 100

Patent

active

051801515

ABSTRACT:
A buckle chute folder for folding one or more sheets of paper, including a buckle chute and a pair of folding rollers situated downstream of the buckle chute. Each of the folding rollers has a plurality of circumferential grooves extending perpendicular to the axis of the roller, and the grooves of one roller are offset with respect to the grooves of the other roller.

REFERENCES:
patent: 3057621 (1962-10-01), Klaus
patent: 4032133 (1977-06-01), Steffens
patent: 4375971 (1983-03-01), Moll
patent: 4650454 (1987-03-01), Moll
patent: 5048809 (1991-09-01), Tebbe
patent: 5129876 (1992-07-01), Brabant et al.

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