Method and machine for producing logs of web material and tearin

Details Method and machine for producing logs of web material and tearin Method and machine for producing logs of web material and tearin

1994-02-09

1996-08-06

Stodola, Daniel P.

Winding, tensioning, or guiding

Convolute winding of material

With tearing or breaking

B65H 3510

Patent

active

055426220

ABSTRACT:
A surface rewinding machine for the formation of logs of web material has a winding roller (1) onto which the web material (N) is fed. The winding roller has a surface portion (1A), extending substantially parallel to the roller axis and having a coefficient of friction lower than that of the adjoining surface. The web is pressed at preset moments by a pusher (3) against that portion of the surface of the winding roller having low coefficient of friction so as to tear the web material.

REFERENCES:
patent: 2573188 (1951-10-01), Dyken
patent: 2775410 (1956-12-01), Schwartz et al.
patent: 3791602 (1974-02-01), Isakson
patent: 4327877 (1982-05-01), Perini
patent: 4408727 (1983-10-01), Dropczynski
patent: 4487377 (1984-12-01), Perini
patent: 4919351 (1990-04-01), McNeil

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