Method and device for winding a material web

Details Method and device for winding a material web Method and device for winding a material web

1996-11-12

1998-07-14

Walsh, Donald P.

Winding, tensioning, or guiding

Convolute winding of material

With particular drive

242547, B65H 1814

Patent

active

057791821

ABSTRACT:
A method and device for winding a material web, such as a paper web, onto a spool or equivalent through a winding nip formed between a cylinder, roll or equivalent and the roll that is being formed. The transfer of air taking place through the winding nip along with the material web to be wound is retarded and/or prevented by forming a positive pressure in the wedge-shaped area placed after the winding nip.

REFERENCES:
patent: 3346209 (1967-10-01), Cronin
patent: 3497151 (1970-02-01), Voss et al.
patent: 4256269 (1981-03-01), Feighery et al.
patent: 5492287 (1996-02-01), Raudaskoski
patent: 5499779 (1996-03-01), Raudaskoski
patent: 5505403 (1996-04-01), Raudaskoski
patent: 5544841 (1996-08-01), Didier et al.
patent: 5562261 (1996-10-01), Beisswanger et al.
patent: 5690298 (1997-11-01), Ruck

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