Folding machine, particularly for signatures

Details Folding machine, particularly for signatures Folding machine, particularly for signatures

1992-07-07

1993-12-07

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Control means energized in response to activator stimulated...

Responsive to work material, the product or means engaging...

493444, 493458, B65H 4518

Patent

active

052679330

ABSTRACT:
A folding machine including a feeding unit which successively feeds sheets form a stack to a folding station. At the folding station an intermediate portion of each sheet is pushed by a pushing unit between two counter-rotating rollers to be folded in half. Advantageously, the feeding unit, the pushing unit and the rollers are driven by independent motors and controlled by a programmed control unit.

REFERENCES:
patent: 2834595 (1958-05-01), Gilchrist
patent: 3260518 (1966-07-01), Kamberg et al.
patent: 3363897 (1968-01-01), Northern et al.
patent: 4234179 (1980-11-01), Weir
patent: 4518381 (1985-05-01), Wakatsuki
patent: 4601695 (1986-07-01), Pazzi
patent: 5045039 (1991-09-01), Bay
patent: 5092832 (1992-03-01), Crowley
patent: 5120291 (1992-06-01), Wada et al.

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