V-shaped nozzles for guiding and drying a web on an air cushion

Details V-shaped nozzles for guiding and drying a web on an air cushion V-shaped nozzles for guiding and drying a web on an air cushion

1994-03-02

1997-09-16

Stodola, Daniel P.

Winding, tensioning, or guiding

Material guide or guard

Fluid suspension

B65H 2014, B65H 2324

Patent

active

056671245

ABSTRACT:
An arrangement for the levitated guidance of a material web includes a plurality of nozzle boxes to which blowing air can be supplied. The nozzle boxes are arranged above and below the material web and are arranged one behind the other in travel direction of the material web. Each nozzle box has a nozzle plate in the form of a V-shaped trough. Two rows of openings with round blow nozzles are arranged adjacent the longitudinal edges of the nozzle plate. The axes of the round blow nozzles extend perpendicularly to the plane surface portions of the nozzle plate. The round blow nozzles are arranged in the rows of openings in such a way that the round blow nozzles of one row of openings immediately adjacent one of the longitudinal edges are arranged in a vertical transverse plane which extends between two vertical transverse planes extending through the round blow nozzles of the two rows of nozzles arranged adjacent the opposite longitudinal edge of the nozzle box.

REFERENCES:
patent: 3622058 (1971-11-01), Vits
patent: 4200211 (1980-04-01), Yamagishi et al.
patent: 4384666 (1983-05-01), Koponen et al.
patent: 4785985 (1988-11-01), Hurtgen
patent: 4932140 (1990-06-01), Lepisto
patent: 4938406 (1990-07-01), Nakashima et al.
patent: 5014447 (1991-05-01), Hagen
patent: 5156312 (1992-10-01), Kurie

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