Rewinding machine and method for the formation of logs of...

Details Rewinding machine and method for the formation of logs of... Rewinding machine and method for the formation of logs of...

2008-01-15

2008-01-15

Nguyen, John Q. (Department: 3654)

Winding, tensioning, or guiding

Convolute winding of material

With tearing or breaking

C242S542200

Reexamination Certificate

active

07318562

ABSTRACT:
The rewinding machine for the formation of logs (L) of web material (N) wound on a core (A), includes a first winder roller (15) around which the web material (N) is fed, and a second winder roller (17) forming, with the first winder roller, a nip (19) through which the core (A) and the web material (N) pass. A web material-severing device (43) cooperates with the first roller (15). Located upstream of the nip (19), with respect to the direction of movement of the web material (N), is a surface (33) defining, with the roller (15), a channel (39) into which the core (A) is inserted. A conveyor (47; 57; 67) introduces a core into the channel (39). The material-severing device (43) cooperates with the roller (15) along the channel (39) between the region of insertion of a new core and the nip (19).

REFERENCES:
patent: 5769352 (1998-06-01), Biagiotti
patent: 5979818 (1999-11-01), Perini et al.
patent: 6648266 (2003-11-01), Biagiotti et al.
patent: 6948677 (2005-09-01), Biagiotti et al.

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