Air guide box for stabilizing the run of a web, for instance a p

Details Air guide box for stabilizing the run of a web, for instance a p Air guide box for stabilizing the run of a web, for instance a p

1987-11-30

1989-04-18

Warner, Steven E.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34116, 34155, F26B 500

Patent

active

048214299

ABSTRACT:
Taught is an air guide box for stabilizing the run of a web, for instance a paper web, specifically for the drying section of a paper machine. The air guide box is connected to a blowing air supply and extends transverse to the running direction of the paper web. The paper web proceeds, preferably together with a backing belt, from one drying cylinder to another drying cylinder. A first wall of the air guide box, viewed in cross section, extends along the paper web or the backing belt forming a first gap therewith. A second wall extends along the cylinder surface of the first drying cylinder. Provided in the first wall is an opening which extends across the length of the air guide box and serves to remove the air from the first gap into the interior of the air guide box. Said opening is connected with an intake line of the blowing air supply.

REFERENCES:
patent: 3587177 (1971-06-01), Overly
patent: 4441263 (1984-04-01), Vedenpaa
patent: 4502231 (1985-03-01), Fissmann et al.
patent: 4539762 (1985-09-01), Eskelinen et al.
patent: 4551203 (1985-10-01), Eskelinen
patent: 4628618 (1986-12-01), Virta et al.
patent: 4669198 (1987-06-01), Wedel
patent: 4686777 (1987-08-01), Cooke

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