Winding – tensioning – or guiding – Convolute winding of material – With particular drive
Patent
1998-07-20
1999-07-20
Darling, John P.
Winding, tensioning, or guiding
Convolute winding of material
With particular drive
2425414, 2425417, B65H 1820
Patent
active
059246472
ABSTRACT:
A winding machine for winding up webs, possibly longitudinally divided webs, and preferably paper webs. The winding machine comprises two support rollers which support, in a winding bed, the roll to be produced. During the winding process, the web running through the spacer gap between the two support rollers partially wraps around one of the two support rollers. The winding machine further comprises a space delimited by the two support rollers, the partly formed roll, and this space has sealed closures on its ends and a sealed closure below the spacer gap between the two support rollers. Finally, the winding machine generates excess pressure in this space in order to balance the inherent weight of the roll. The sealed closure below the spacer gap comprises a pivotable side wall which extends substantially over the entire maximum web width of the roll to be produced and whose pivot axis extends approximately parallel to the support rollers axes. The side wall can be pivoted sealingly towards the support roller, around which the web is wrapped, while leaving free a web passage gap for the winding process. The side wall can be moved, in particular pivoted, away from the support roller, around which the web is wrapped, for the introduction of the web.
REFERENCES:
patent: 3346209 (1967-10-01), Cronin
patent: 3497151 (1970-02-01), Voss et al.
patent: 5478026 (1995-12-01), Schonmeier et al.
patent: 5492287 (1996-02-01), Raudaskoski et al.
patent: 5499779 (1996-03-01), Raudaskoski
patent: 5562261 (1996-10-01), Beisswanger et al.
Beloit Technologies Inc.
Darling John P.
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