Unifelt air suction system

Details Unifelt air suction system Unifelt air suction system

1986-04-03

1988-01-05

Makay, Albert J.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34116, 34122, 34123, F26B 1308

Patent

active

047166606

ABSTRACT:
A unifelt system for drying paper includes banks of upper and lower drying cylinders around which the paper is conveyed in contact with a support sheet. At least one suction nozzle is provided at the pocket formed at the upstreammost lower cylinder and the support sheet to prevent air from being trapped between the paper and the support sheet for minimizing bulging which might otherwise occur.

REFERENCES:
patent: 1525483 (1925-02-01), White
patent: 3110575 (1963-11-01), Justus
patent: 3384973 (1968-05-01), Johansson
patent: 3733711 (1973-05-01), Haythornthwaite
patent: 3874997 (1975-04-01), Kankaanpaa
patent: 4190964 (1980-03-01), Schiel
patent: 4202113 (1980-05-01), Kankaanpaa
patent: 4359827 (1982-11-01), Thomas
patent: 4359828 (1982-11-01), Thomas
patent: 4441263 (1984-04-01), Vedenpaa
patent: 4566946 (1986-01-01), Koponen et al.
patent: 4628618 (1986-12-01), Virta et al.

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