B - Operations – Transporting – 27 – L
Patent
B - Operations, Transporting
27
L
349/33, 349/35,
B27L 5/02 (2006.01) G01B 17/02 (2006.01) G01S 15/02 (2006.01)
Patent
CA 1158350
BF&N 6991 VENEER LATHE SCANNING SYSTEM Abstract of the Disclosure A pair of sonic transducers are mounted above a peeler block on a veneer lathe, adjacent opposite ends of the block. Bursts of sonic energy are directed downward to strike the surface of the block such that sonic energy is reflected from the block surface to the transducers. The distance from the transducers to the axis of rotation of the lathe spindle upon which the block is mounted is known and, as a consequence, the radius of the peeler block may be determined in response to the ultra- sonically measured distance from the transducers to the block surface. A series of radius measurements may be made as the block is rotated on the lathe spindle. Additionally, measurements may be made when a log is first loaded onto the lathe, after the log is rounded up, and after peeling of the block is completed.
386902
Halgrimson Darrell N.
Hanson Donald H.
King Richard T.
Black Clawson Inc.
Gowling Lafleur Henderson Llp
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