Sheet folding machine

Details Sheet folding machine Sheet folding machine

1985-07-08

1986-09-30

Husar, Francis S.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493179, 493418, 493423, 493450, 198405, 1984711, B31B 126, B31B 158

Patent

active

046145125

ABSTRACT:
Sheet-folding machine, especially for packaging cases made of corrugated cardboard, after they have been produced and printed.
It incorporates advancing (10) and folding (22) belts which are maintained at the exact cycle of the machine by means of pulleys (14) provided with recentering fingers (15). The conveyor belts are provided with suction elements (19), and the folding belts are provided with push-studs (25) arranged to correspond to the turned-down portions (5) to be folded.

REFERENCES:
patent: 2785609 (1957-03-01), Billeb
patent: 3130650 (1964-04-01), Shields
patent: 3807289 (1974-04-01), Labombarde
patent: 3838771 (1974-10-01), Whiteford
patent: 3927875 (1975-12-01), Winnemoller et al.
patent: 4022457 (1977-05-01), Marin et al.

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