Zoned heat treating apparatus

Details Zoned heat treating apparatus Zoned heat treating apparatus

1978-09-18

1980-04-01

Favors, Edward G.

Drying and gas or vapor contact with solids

Apparatus

Houses, kilns, and containers

34155, 34217, F26B 2506

Patent

active

041954181

ABSTRACT:
A heat treating apparatus particularly useful for the drying/heat-setting and cooling of synthetic tow comprises first and second elongated housings with separate conveyors longitudinally positioned in said housings, the housings being at different temperatures. Means are provided to deposit a continuous length of tow on the conveyor of the first housing in an undulating pattern to define a substantially straight bed of tow having substantially uniform maximum thickness and width dimensions. A transfer device is provided between the first and second housings including a flat plate adapted to pick up the tow from the conveyor of the first housing, and integral therewith, an enclosed chute adapted to deposit the tow on the conveyor of the second housing, the chute having height and width dimensions substantially the same as the maximum thickness and width dimensions of the bed of tow. The transfer chute is adapted to air seal the first housing from the second housing.

REFERENCES:
patent: 1813750 (1931-07-01), Mackenzie
patent: 2768629 (1956-10-01), Maul
patent: 3812599 (1974-05-01), Bruckner
patent: 3955287 (1976-05-01), Brock et al.
patent: 4058905 (1977-11-01), Knight

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