Woodworking – Process – Mechanical cutting or shaping
Patent
1980-10-21
1982-12-21
Bray, W. D.
Woodworking
Process
Mechanical cutting or shaping
83114, 144193R, 144362, B27L 700
Patent
active
043644236
ABSTRACT:
A method and apparatus for splitting wood slabs substantially along the wood grain into longitudinal-grain wood strands are provided. The apparatus comprises a rotating disc splitter having a pair of parallel rotary shafts each having centered thereon and secured thereto a series of spaced apart circular discs, means for counter rotating the shafts to pull a slab of wood between the series of discs and to split the slab into strands, and a series of floating spacer rings on each shaft interspaced between the discs, the floating spacer rings being positioned on either side of the shafts adapted to permit the spacer rings to move away from the discs when a slab is being split therebetween. The method comprises inserting an end of a slab of wood between counter rotating discs, a first series of discs pushing first sections of the slab in one direction perpendicular to the direction of travel of the slab and perpendicular to the axes of the counter rotating discs, a second series of discs interfitting with the first series of discs pushing second sections of the slab between the first sections in an opposite direction to the one direction thus causing splitting to occur between first sections and second sections of the slab and forming strands, and guiding the first sections and second sections of the slab downstream of the counter rotating discs to issue as substantially straight strands from the counter rotating discs.
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Bray W. D.
MacMillan Bloedel Limited
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