Process and apparatus for seasoning wood

Details Process and apparatus for seasoning wood Process and apparatus for seasoning wood

Filed on

1974-11-19

Date issued

1976-10-19

Examiner

Camby, John J.

Patent Class

Drying and gas or vapor contact with solids

SubClass

Apparatus

SubSubClass

With means to treat gas or vapor

Other Related Categories

34 138, 34 15, F26B 334, F26B 700, F26B 504

Type

Patent

Status

active

Patent number

039862682

Description

ABSTRACT:
A process and apparatus for accelerated drying of green lumber employs high voltage dielectric heating at subatmospheric pressure to effect a rapid removal of moisture from the wood without splitting, checking, case hardening, honeycombing or similar damage to the wood structure. The invention combines the advantages of both dielectric and vacuum drying techniques without inefficient and destructive corona, arcing, or ionization effects which have heretofore prevented combining such techniques. When desired, the use of subatmospheric pressures in the drying process also permits injection of suitable chemicals for fireproofing or other specialized treatments of the wood allowing the combination of such treatments with the drying of the wood in a single process.

REFERENCES:
patent: 2373374 (1945-04-01), Bierwirth
patent: 2387595 (1945-10-01), Luth et al.
patent: 2560763 (1951-07-01), Griffith, Jr.

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