Woodworking – Bench dog
Patent
1975-08-04
1976-09-21
Hoag, Willard E.
Woodworking
Bench dog
144311, 144317, 144327, 264139, 264259, 264261, 264263, 264265, 264266, 264279, 264294, 264320, B27K 315, B27L 100, B29D 300, B29G 100
Patent
active
039813380
ABSTRACT:
A method of making a compressed wood product such as a building panel from raw wood. Tree length logs are cut to convenient lengths, debarked and dried, and then placed in a mold where they are immersed in suitable liquid adhesive and compressed to a dimension smaller than that finally required. The logs are then allowed to expand while still immersed in the adhesive, and are then again compressed to the final desired thickness of the panel. The logs are then subjected to elevated temperature to harden the adhesive, preferably while expansion of the logs is prevented. The invention also comprises special apparatus for carrying out the process, and particularly a mobile platform for carrying the logs and forming part of the mold, and a cover and clamp means for maintaining pressure on the wood.
REFERENCES:
patent: 72873 (1897-12-01), Maitre
patent: 2218897 (1940-10-01), Skutl
patent: 2370033 (1945-02-01), Hall
patent: 2666463 (1954-01-01), Heritage
patent: 2741283 (1956-04-01), Alexander
patent: 3107708 (1963-10-01), Savage
patent: 3660223 (1972-05-01), Casalina
patent: 3700533 (1972-10-01), Schmitz
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