Non-contact flotation web guide/dryer

Details Non-contact flotation web guide/dryer Non-contact flotation web guide/dryer

1995-03-21

1997-06-24

Sollecito, John M.

Drying and gas or vapor contact with solids

Apparatus

With automatic control

34571, 34621, F26B 2106

Patent

active

056407840

ABSTRACT:
Drying apparatus including pressure control of air supply feeding an air bar and subsequently impinging upon a web, so as to avoid or compensate for web shift without disturbing the cushion pressure and flotation techniques necessary for adequate web flotation and drying, as well as a method of regulating the pressure of supply air to such air bars. A damper or valve is positioned in the header system between first and second ducts feeding each air bar. Proper adjustment of the damper regulates the pressure of supply air in each duct, and compensates for web shift or minimizes or prevents web shift from occurring.

REFERENCES:
patent: 5129275 (1992-07-01), Park
patent: 5134788 (1992-08-01), Stibbe et al.

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