Method and apparatus for the production of heart centered, subst

Details Method and apparatus for the production of heart centered, subst Method and apparatus for the production of heart centered, subst

1993-07-06

1995-08-15

Bray, W. Donald

Woodworking

Process

Mechanical cutting or shaping

83155, 83409, 83422, 834252, 83708, 144242R, 144242E, 144242M, B27B 100, B27B 700, B27B 3100

Patent

active

054410924

ABSTRACT:
A method and apparatus for the efficient production of heart wood centered small dimensioned, square timber comprising a log feed system for the storage and dispensing of individual logs to the production facility; a log centering system wherein the log is centrally aligned with multiple saw blades and clamped into position; a log transport system comprising a movable carriage which transports the clamped log through the blades; and a separation system wherein the finished timber is separated from the side cuts and positioned ready for easy stacking. The log is first cut longitudinally and perpendicularly along two sides. A rotating means located within the centering system turns the log onto one of its two sawn sides and the log is again passed through the blades and cut longitudinally and perpendicularly, thus forming a timber with a square cross section and the heart wood centered therein.

REFERENCES:
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patent: 4147256 (1979-04-01), Nilsson
patent: 4262572 (1981-04-01), Flodin
patent: 4341248 (1982-07-01), Critchell
patent: 4419914 (1983-02-01), Evans
patent: 4697487 (1987-10-01), Cameron
patent: 4823664 (1989-04-01), Cooper, Jr. et al.
patent: 4846237 (1989-07-01), Wolf
patent: 5035166 (1991-07-01), Carlson et al.

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