D - Textiles – Paper – 01 – H
Patent
D - Textiles, Paper
01
H
242/1
D01H 9/00 (2006.01) B65H 18/20 (2006.01) B65H 19/30 (2006.01)
Patent
CA 2020723
REWINDING MACHINE FOR THE FORMATION OF ROLLS OR LOGS, AND WINDING METHOD ABSTRACT The rewinding machine of the present invention produces rolls or logs of paper such as toilet paper, kitchen towels, etc. It includes an upper winding cylinder (9; 109), a lower winding cylinder (10) forming with the upper one an interspace (12), a mobile roller (14) able to define with said two cylinders a space in which the roll is wound. A pusher (22) inserts individual cores (A) in said interspace, and an applicator (34, 36, 38) wets the cores with adhesive. In combination with one (9; 109) of the two winding cylinders (9, 109; 10) a fixed surface (52; 80) is provided. A web of incoming paper N slides along the surface (52; 80). The pusher (22) moves the core (A1) at an insertion speed which is lower than the paper-feeding speed. During its insertion into the interspace (12) the core (A1) moves toward the fixed surface (52; 80), providing a temporary braking effect on the web N lying between the fixed surface (52: 80) and the core (A1). This causes the web to tear between the just-complete- ly formed roll (R) and the incoming core (A1).
Fabio Perini S.p.a.
Ridout & Maybee Llp
LandOfFree
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