Method for continuous drying of a cloth and an apparatus therefo

Details Method for continuous drying of a cloth and an apparatus therefo Method for continuous drying of a cloth and an apparatus therefo

1980-06-03

1982-08-24

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 34, 34155, 34159, 34163, 34241, 68 5D, F26B 304, F26B 1306

Patent

active

043453856

ABSTRACT:
For continuously drying a cloth, the cloth is subjected to a drying process in which high pressure dry hot air is jetted against the cloth in a zigzag pattern from both sides thereof while transporting the cloth continuously through a cloth passage. The cloth passage is a gap formed between a pair of horizontally extending parallel endless net conveyors located one above the other. In accordance with the rotation of the two conveyors the cloth is vigorously beat and vibrated as it passes through the gap in a snaky state under no tension to afford drying of the cloth. When the drying process is effected by stepwise lowering the temperature of the cloth, or is repeated by cooling the heated cloth in the open atmosphere, the drying resembles natural drying, preventing the cloth from becoming fragile, and moreover, in particular heat energy is saved. A cloth in a ropy state can also be dried satisfactorily and effectively by inserting a cloth untwisting process and a cloth expanding process prior to drying. The cloth is dried continuously and effectively in a short time, and the dried cloth has an excellent touch feeling with appropriate stretchability and shrinkability as well as bulkiness.

REFERENCES:
patent: 2554239 (1951-05-01), Caulfield et al.
patent: 3371428 (1968-03-01), Thygeson, Sr. et al.
patent: 3810315 (1974-05-01), Fleming

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