Dryer felt fabric and dryer belt

Details Dryer felt fabric and dryer belt Dryer felt fabric and dryer belt

1983-07-01

1985-01-22

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34123, 34243R, 139383A, F26B 1308, D03D 1500

Patent

active

044943199

ABSTRACT:
The disclosure is of a dryer felt and dryer felt fabric for use in a paper making machine. The fabric is characterized in part by an increased paper contacting surface in the center of the belt. The fabric has an enhanced operating life as a dryer felt since the machine direction yarns are protected at the edges from direct contact with the hot dryer cans on the sheet side and in its entirety from typically abrasive carrying rolls on the back side. The improved drying efficiency in the center of the belt compensates for the prior art decreased drying efficiency at the center of the paper web being dried. This gives a uniform moisture content across the width of the drying paper web.

REFERENCES:
patent: 3573164 (1971-03-01), Friedberg et al.
patent: 3867766 (1975-02-01), Wagner
patent: 4192080 (1980-03-01), Irpola
patent: 4356844 (1982-11-01), Thompson

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