Gas nozzle for use in treating material webs

Details Gas nozzle for use in treating material webs Gas nozzle for use in treating material webs

1979-09-11

1981-06-23

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

226 97, 239DIG7, 239558, F26B 1320

Patent

active

042742102

ABSTRACT:
A nozzle for use in web treatment apparatus includes a carrying surface extending substantially parallel to the web and guide members defining an annular slit in a central region of the carrying surface, the guide members being formed such that gaseous medium flows radially through the slit in contiguity with the carrying surface and in a direction substantially parallel to the web.

REFERENCES:
patent: 3181250 (1965-05-01), Vits
patent: 3199224 (1965-08-01), Brown
patent: 3462085 (1969-08-01), Nugarus
patent: 3861062 (1975-01-01), Wymann
patent: 3936953 (1976-02-01), Chance et al.
patent: 3995375 (1976-12-01), Weinmann
patent: 4137644 (1979-02-01), Karlsson

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