Apparatus and method for uniformly heating or cooling a moving w

Details Apparatus and method for uniformly heating or cooling a moving w Apparatus and method for uniformly heating or cooling a moving w

1978-08-31

1980-11-04

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 23, 34 34, 34155, 34 92, 118 68, 427350, 4273722, 34 20, F26B 304

Patent

active

042311640

ABSTRACT:
Apparatus including a chamber within which are mounted spaced rollers and an elongated housing interposed between a pair of rollers for heating or cooling a web transported over the rollers. A suction device in fluid communication with the chamber establishes a pressure differential on opposite sides of the web for assisting in producing a predetermined angle of contact of the web with the rollers, and for drawing fluid from the housing along the surface of the web for heating or cooling the web.

REFERENCES:
patent: 2727317 (1955-12-01), Offen
patent: 3065098 (1962-11-01), Brooks
patent: 3284920 (1966-11-01), Hayrinen et al.
patent: 3434225 (1969-03-01), Knibiehly
patent: 3733711 (1973-05-01), Haythornthwaite
patent: 3738018 (1973-06-01), Herzhoff
patent: 4017982 (1977-04-01), Goffredo

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