Method for drum winding a web and a drum winder

Details Method for drum winding a web and a drum winder Method for drum winding a web and a drum winder

1994-06-16

1996-03-19

Darling, John P.

Winding, tensioning, or guiding

Convolute winding of material

With particular drive

242542, B65H 1820

Patent

active

054997798

ABSTRACT:
A method for drum winding a web and a drum winder in which a roll that is being formed, i.e., onto which a web is being wound, is supported on winding drums. At least a part of the area that surrounds the roll being formed is subjected to a pressure lower than the pressure that prevails in a gap formed by the roll being formed and the winding drums, whereby a floating effect is produced on the roll being formed. The drum winder is preferably placed in a vacuum chamber.

REFERENCES:
patent: 3346209 (1967-10-01), Cronin
patent: 3497151 (1970-02-01), Voss et al.
patent: 3515183 (1970-06-01), Voss
patent: 3858820 (1975-01-01), Crouse

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