Method and wire group in a dryer section provided with a single-

Details Method and wire group in a dryer section provided with a single- Method and wire group in a dryer section provided with a single-

1993-06-03

1995-01-24

Gromada, Denise L.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34120, 34114, F26B 1102

Patent

active

053832876

ABSTRACT:
The invention relates to a method and a wire group in a drying section provided with single-wire draw in a paper machine or paper finishing machine. A paper web to be dried is passed on support of a drying wire alternatingly over heated cylinder faces of drying cylinders and over leading rolls or other equivalent drying cylinders. The paper web is pressed into direct contact against the heated cylinder face of the drying cylinders and, on the leading rolls, the paper web is placed on the outside face of the drying-wire loop at a side of the outside curve. In the invention, the difference in speed of the paper web which the paper web would have during operation of the drying section on the turning sectors of the drying cylinders and the leading rolls is reduced by dimensioning of the structure of the drying wire in the direction of thickness and by selecting appropriate materials for the structure of the drying wire.

REFERENCES:
patent: 3699663 (1972-10-01), Candor et al.
patent: 4186780 (1980-02-01), Josef et al.
patent: 4446187 (1984-05-01), Eklund
patent: 5022163 (1991-06-01), Ilvespaa et al.
patent: 5024729 (1991-06-01), Kuhasalo et al.
patent: 5062216 (1991-11-01), Hannigan
patent: 5172491 (1992-12-01), Ilvespaa et al.

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