Vertical progressive lumber dryer

Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor

Patent

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Details

34 138, 34 35, 34 38, 34 66, 34 86, 34149, 34216, 34217, 34236, 34239, F26B 304, F26B 314

Patent

active

046638601

ABSTRACT:
A vertical progressive lumber dryer has a plurality of vertically spaced functional zones through which lumber formed into units pass. Each unit rests atop a base and each layer of boards in the stack is separated by sticker means. Predetermined appropriate operating conditions are selected for the drying medium as well as other parts of the process. After a car has completed the last step within the dryer, it is removed and the dryed lumber sent for further processing.

REFERENCES:
patent: 15316 (1922-03-01), Weiss
patent: 1855401 (1932-04-01), Leonard
patent: 2369879 (1945-02-01), Worth et al.
patent: 3470623 (1969-10-01), Hildebrand
patent: 3680219 (1972-08-01), Koch
patent: 4106215 (1978-08-01), Rosen
patent: 4182048 (1980-01-01), Wolfe et al.
patent: 4261110 (1981-04-01), Northway et al.

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