Method and apparatus for increasing the hardness and intensity o

Details Method and apparatus for increasing the hardness and intensity o Method and apparatus for increasing the hardness and intensity o

1999-03-11

2000-04-11

Bray, W. Donald

Woodworking

Process

Mechanical cutting or shaping

144 21, 144329, 144359, 264280, 264284, 264325, 264405, B27M 102

Patent

active

060477512

ABSTRACT:
A device for increasing the hardness and intensity of wood which comprises chuck means for holding the wood in a fixed position for processing, a compression-shaped forming die for compressing the wood being processed, an ultrasonic wave-generating device operatively connected with the compression-shaped forming die for applying sound waves to the wood, a forming mold positioned downstream of said compression-shaped forming die for receiving wood therefrom, said forming mold further compressing said wood to remove a portion of the water contained therein, and means for advancing the chuck means containing the wood being processed through the compression-shaped forming die, the ultrasonic wave-generating device and the forming mold.

REFERENCES:
patent: 987368 (1911-03-01), Hyatt
patent: 1480658 (1924-01-01), Bostock
patent: 1644801 (1927-10-01), Van der Werff
patent: 3224428 (1965-12-01), Egbert
patent: 5190088 (1993-03-01), Thompssen et al.
patent: 5685353 (1997-11-01), Viitaniemi et al.

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