System for producing cants and wood chips

Woodworking – Process – Mechanical cutting or shaping

Patent

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Details

B27L 502

Patent

active

060268727

ABSTRACT:
A log is first passed between a pair of coarse chippers to cut material from opposite faces of the log as coarse chips and produce a pair of flat sides. Then the log is passed between a pair of fine chippers to cut material from the flat sides as fine chips. The log is then rotated through about 90.degree. and the rotated log is passed between a second pair of coarse chippers to cut material from opposite faces of the log between the flat sides as coarse chips and producing two more flat sides. Finally the log is passed between a pair of fine chippers to cut material from the two more flat sides as fine chips. The coarse chips are 10 cm and 30 cm long, 1 mm and 5 mm thick, and about 35 mm wide and the fine chips are about 10 cm long, about 0.5 mm thick, and 3 cm wide.

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patent: 4875631 (1989-10-01), Bardos
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patent: 5394912 (1995-03-01), Hume

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