Machine and method for producing a material web

Details Machine and method for producing a material web Machine and method for producing a material web

1997-04-15

1999-10-19

Bennett, Henry

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

36114, 36 71, 36 95, 36355, 162358, D06F 5800

Patent

active

059668342

ABSTRACT:
A machine and method for producing a material web, e.g., a paper or cardboard web. The machine includes a dryer group having a plurality of dryer cylinders and web guide rolls. A dryer (or guide) belt may guide the material web around the dryer cylinders and web guide rolls in a meandering or winding path. The dryer group may include a cooling device that cools the dryer belt by exerting an air current on the dryer belt after separation from the material web. The method may include drying the material web in a region of the dryer group in which the material web is held and guided between the dryer belt and each drying cylinder, and substantially preventing drying of the material web in a region of the dryer group in which the material web is transferred from one drying cylinder onto a subsequent one.

REFERENCES:
patent: 4162190 (1979-07-01), Ashworth
patent: 5594997 (1997-01-01), Lehtinen

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