Method and device in contact-free treatment of a web

Details Method and device in contact-free treatment of a web Method and device in contact-free treatment of a web

1995-02-10

1996-11-05

Larson, James

Drying and gas or vapor contact with solids

Process

Gas or vapor contact with treated material

34631, 34641, 34644, F26B 1320

Patent

active

055705197

ABSTRACT:
A method and device for contact-free treatment of a web in which the web is treated, for example supported, reversed, spread, carried, and/or dried, by blowings which provide a carrier-face zone. The carrier-face zone has a curved form regulatable in a direction transverse to the direction of progress of the web. The nozzle-carrier face unit of the device is bent to the curved form in the cross direction of the machine while a frame part of the device is kept in a stationary position. The device includes a regulation arrangement for bending the nozzle-carrier-face unit to a curve form in the direction transverse to the running direction of the web while the frame part of the device is supported in a stationary position.

REFERENCES:
patent: 4854052 (1989-08-01), Korpela
patent: 5230165 (1993-07-01), Beisswanger

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