still at the quality and / or lengsortering of sagat or planed wood

摘要

The present invention provides a process of the quality and/or length sorting of sawn or planed timber in a sorting installation wherein a plurality of consecutive sorting compartments are provided in which a given timber batch is accumulated from an upper conveyor, which is transferred mainly by gravity, as the compartments are filled, onto a lower conveyor located therebelow for transportation to further handling steps, and wherein for each different type of timber a group of compartments comprising at least two consecutive sorting compartments are provided, the opening of the bottoms of said compartments and emptying of the different compartments in each group being carried out with the same starting command and mutually timed in accordance with a pre-set programme, the improvement in which said sorting compartments include inclined sliding planes on which a singlelayer timber mat is assembled.