Method and device for seperating pieces of wood

Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Sorting lumber – logs – pipes – rails – or like items

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Details

209581, 209587, 209939, 250223R, 25055906, 356237, B07C 514, B07C 5342

Patent

active

055447570

ABSTRACT:
A method and apparatus for separating pieces of wood into different qualities in a wood sorting process is characterized in that the brightness as well as the texture of the surface of the wood are measured, and the pieces of wood are separated into different quality groups according to the measurements results obtained.

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patent: 4691231 (1987-09-01), Fitzmorris et al.
patent: 4850491 (1989-07-01), Schultz
patent: 4909930 (1990-03-01), Cole
patent: 4992949 (1991-02-01), Arden
patent: 5274244 (1993-12-01), Johansson et al.
patent: 5335790 (1994-08-01), Geiger et al.

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