Woodworking – Process – Mechanical cutting or shaping
Patent
1988-03-28
1989-07-11
Bray, W. Donald
Woodworking
Process
Mechanical cutting or shaping
144 3R, 144162R, 144369, 144378, B27B 100
Patent
active
048462373
ABSTRACT:
Round wood trunks are formed into beams, boards, etc. shaped on all sides, each round wood trunk being continuously flattened along its lengthwise direction in each of several working steps. In each feeding operation of the round wood trunk, it is simultaneously flattened on at least two sides.
REFERENCES:
patent: 3457978 (1969-07-01), Ahlstedt
patent: 3552457 (1971-01-01), Bos
patent: 4239069 (1980-12-01), Zimmerman
patent: 4711279 (1987-12-01), Reuter
patent: 4750535 (1988-06-01), Wolf
Bray W. Donald
Johann Wolf GmbH KG
Johnston, III Wm. D.
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