Folding machines

Details Folding machines Folding machines

1975-03-05

1976-01-13

Michell, Robert W.

Sheet-material associating

Associating or disassociating

Sheet associating

270 86, B65H 4500

Patent

active

039319636

ABSTRACT:
A folding machine having opposed discs respectively presenting a yieldable and an unyieldable annulus in tangential contact for imparting a score line to a sheet fed therebetween, inverting the scored sheet, the scored sheet after inverting is then folded (as by folding belts) to form a backbone after which the backbone is creased by being squeezed along its length to finish the fold.

REFERENCES:
patent: 1186970 (1916-06-01), Cottrell
patent: 3270628 (1966-09-01), Clem
patent: 3365192 (1968-01-01), Giletta
patent: 3386323 (1968-06-01), Dovey

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