Woodworking – Process – Mechanical cutting or shaping
Patent
1991-04-29
1992-05-12
Bray, W. Donald
Woodworking
Process
Mechanical cutting or shaping
144172, 144174, B27L 1102, B27C 100
Patent
active
051118599
ABSTRACT:
Method and chipping device for cutting chips (10) from elongated pieces of wood (5) in a manner that the wood to be chipped is fed into a rotating cylinder (1) and chips are cut of the side of the piece of wood by ranges of blades formed by several blades (7) inside the cylinder surface. The wood to be chipped (5) is directed to the cylinder in a manner that the angle between the pieces of wood (5) and the ranges of blades is acute. Each piece of wood to be chipped is in contact with two or more blades (7) in different range of blades during the cutting.
REFERENCES:
patent: 2773739 (1956-12-01), Clark
patent: 2969860 (1961-01-01), Johnsa
patent: 3319673 (1967-05-01), Voelskow
patent: 3356114 (1967-12-01), Noel
patent: 3913643 (1975-10-01), Lambert
patent: 4972888 (1990-11-01), Dean
Tohkala Antti
Unkuri Esko
Bray W. Donald
Sunds Defibrator Rauma Woodhandling Oy
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