Method for folding material fed from a continuous band into acco

Details Method for folding material fed from a continuous band into acco Method for folding material fed from a continuous band into acco

1992-05-22

1993-04-13

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493412, B65H 4520, B41F 1360, B41L 132

Patent

active

052017001

ABSTRACT:
A method for zig-zag folding a web of sheet material includes feeding the web with a pair of rollers against an obstacle to form a loop. The loop is engaged by a roller having a higher peripheral speed than the pair and engaged against another obstacle to form a fold line from the first loop and to form a second loop. Another roller having a higher peripheral speed than the pair forms the second loop into a fold line, and the steps are repeated to form a zig-zag folded stack.

REFERENCES:
patent: 3083008 (1963-03-01), Miller
patent: 4484905 (1984-11-01), Ashburner
patent: 4573958 (1986-03-01), Biesinger
patent: 4623136 (1986-11-01), Bunch
patent: 4828540 (1989-05-01), Fordyce
patent: 5064179 (1991-11-01), Martin

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