Drying section in a paper or board machine and method for guidin

Details Drying section in a paper or board machine and method for guidin Drying section in a paper or board machine and method for guidin

1989-01-23

1992-02-04

Makay, Albert J.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34114, 34123, 162370, F26B 500

Patent

active

050849859

ABSTRACT:
In the drying section of a paper or board machine, a web travels in a meander-like fashion around drying cylinders and it is provided with ducts for delivering web-run stabilizing suction into the drying section. At least one cylinder is provided with ducts for delivering suction in the interior of a drying cylinder, the jacket of the cylinder being provided with flow paths communicating with the duct for delivering suction outside the cylinder both in a sector in which web runs around the jacket of the cylinder and in a sector in which the jacket of the cylinder is unoccupied by the run of the web.

REFERENCES:
patent: 1949237 (1934-02-01), Bradner
patent: 3430352 (1969-03-01), Fleissner
patent: 3868780 (1975-03-01), Soininen et al.
patent: 4441263 (1984-04-01), Vedenpaa
patent: 4483083 (1984-11-01), Chance
patent: 4882854 (1989-11-01), Wedel et al.

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