Machine for producing a sheet of material by direct press to dry

Details Machine for producing a sheet of material by direct press to dry Machine for producing a sheet of material by direct press to dry

1997-01-27

1998-09-29

Bennett, Henry A.

Drying and gas or vapor contact with solids

Process

Gas or vapor contact with treated material

34117, 34120, D21F 500

Patent

active

058131361

ABSTRACT:
A machine for producing a sheet of material, e.g., a paper or cardboard sheet, including a pressing part having at least one pressing device and a dryer part that includes a plurality of dryer cylinders. A first dryer cylinder of the plurality of dryer cylinders may be disposed immediately adjacent to the pressing part to form transfer region therebetween. The sheet of material being directly transferred from a press roll of the pressing part to the first dryer cylinder. The first dryer cylinder being heated independently of the other plurality of dryer cylinders at a temperature to form a vapor layer between the first dryer cylinder and the sheet of material.

REFERENCES:
patent: 2448295 (1948-08-01), Bratton
patent: 4815220 (1989-03-01), Wedel
patent: 4918836 (1990-04-01), Wedel
patent: 5120400 (1992-06-01), Laapotti
patent: 5232555 (1993-08-01), Daunnais et al.
patent: 5355593 (1994-10-01), Kotischke
patent: 5505006 (1996-04-01), Wulz et al.
patent: 5551164 (1996-09-01), Brunmair et al.
patent: 5592751 (1997-01-01), Guggemos et al.
patent: 5659976 (1997-08-01), Klockenkemper et al.
German Office Action in connection with German Application No. 196 02 492.7-27.

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