Machine and method for producing logs of sheet material

Details Machine and method for producing logs of sheet material Machine and method for producing logs of sheet material

1998-01-07

2000-08-08

Nguyen, John Q.

Winding, tensioning, or guiding

Convolute winding of material

With cutting, perforating, or notching

2425333, 2425422, 2425322, B65H 3504, B65H 1814

Patent

active

060989165

ABSTRACT:
A rewinding machine and method for producing rolls or logs (1) of sheet material (W) around a tubular core (2), comprising a first winding roller (A) around which the sheet material (W) is directed, a second winding roller (B) forming a throat (3) with the first roller (A) through which the core (2) is introduced and a third roller (C) mounted mobile to allow the diameter of the log (1) to increase and the log to be discharged at the end of winding, in which a cutting blade (17) is provided that can be brought cyclically into contact with a portion of the web comprised between a new core (2) being introduced into the winding cradle and the made-up log being moved away, to cause separation thereof.

REFERENCES:
patent: 4456190 (1984-06-01), Karttunen et al.
patent: 4601441 (1986-07-01), Oinnoen et al.
patent: 5249756 (1993-10-01), Biagiotti

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