Apparatus for winding or unwinding webs, particularly paper webs

Details Apparatus for winding or unwinding webs, particularly paper webs Apparatus for winding or unwinding webs, particularly paper webs

1996-02-20

1998-07-28

Jillions, John M.

Winding, tensioning, or guiding

Convolute winding of material

With particular drive

242542, 2425424, B65H 1820, B65H 1822

Patent

active

057852731

ABSTRACT:
Apparatus for winding or unwinding of a web includes a support device having at least two king rolls and which may include a supporting belt. A winding roll of a web to be wound or unwound by the apparatus is supported by the king rolls such that a press gap is formed with at least one of the king rolls. At least one of the king rolls has a support body and a shell made from a soft, elastic material, the shell having a plurality of cavities, the cavities opening in a direction opposite a peripheral surface of the support body. In one embodiment the supporting belt includes cavities which may be filled with compressible material. In another embodiment the supporting belt includes a cover layer and a base layer with the base layer being softer than the cover layer.

REFERENCES:
patent: 2830775 (1958-04-01), Kiesel
patent: 3503567 (1970-03-01), Casey
patent: 4541585 (1985-09-01), Frye et al.
patent: 4837064 (1989-06-01), Tschudin-Mahrer
patent: 4877196 (1989-10-01), Heymanns
patent: 5150850 (1992-09-01), Adams
patent: 5240198 (1993-08-01), Dorfel
patent: 5335871 (1994-08-01), Fissmann et al.
patent: 5431358 (1995-07-01), Alexander
patent: 5464169 (1995-11-01), Henseler et al.
patent: 5553806 (1996-09-01), Lucas
patent: 5582361 (1996-12-01), Muller et al.

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