Device for drying a material web with heated and cooled cylinder

Details Device for drying a material web with heated and cooled cylinder Device for drying a material web with heated and cooled cylinder

1997-05-14

1998-09-01

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34119, 34123, 34124, D21F 500

Patent

active

057994099

ABSTRACT:
Device for producing a material web in a dryer part that includes at least one dryer section having a plurality of cylinders including heated cylinders and cooled cylinders. The device may also include a porous dryer screen and a metal belt that may be guided with the material web in a meandering path alternatingly around the heated and cooled cylinders. At least one of the metal belt and the dryer screen being highly prestressed and the device may also include at least one of a heating installation and a cooling installation assigned to act on an area of a circumference of the plurality of cylinders in which the material web may be supported by the dryer screen and the metal belt.

REFERENCES:
patent: 3503139 (1970-03-01), Mahoney et al.
patent: 3925906 (1975-12-01), Chance et al.
patent: 4461095 (1984-07-01), Lehtinen
patent: 4622758 (1986-11-01), Lehtinen et al.
patent: 5291666 (1994-03-01), Babinsky et al.
patent: 5572801 (1996-11-01), Ahokas et al.
German Search Report. For Application DE 196 19 530 dated Sept. 3, 1996.

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