Woodworking – Process – Including monitoring of operation
Patent
1980-10-30
1982-07-06
Schran, Donald R.
Woodworking
Process
Including monitoring of operation
144 39, 83 13, B27B 100
Patent
active
043378102
ABSTRACT:
The present invention provides a method of producing cut timber from round timber comprising the steps of measuring the minimum diameter of each piece of round timber, sorting the round timber pieces and dividing them into groups of identical diameter, storing them in an intermediate storage device and feeding round timber pieces successively to a saw, which has been preset according to the diameter, for cutting timber sections, wherein the round timber logs to be processed are first cut to round timber pieces having a predetermined standard length, the minimum diameter is then measured on the individual round timber pieces, concentric, plane guide surfaces which are uniformly distributed over the periphery and spaced from each other at intervals depending on the measured diameter are provided, the round timber pieces are then sorted, and the round timber pieces are fed from the intermediate storage device to a cutter while being supported and guided by the guide surfaces, whereupon they are passed on for cutting into timber sections.
REFERENCES:
patent: 3456700 (1969-07-01), Ahlstedt
patent: 3487866 (1970-01-01), Mitten
patent: 3554249 (1971-01-01), Vasteras et al.
patent: 3738404 (1973-06-01), Walker
patent: 3934630 (1976-01-01), Cockle
patent: 3968822 (1976-07-01), Ottoson et al.
patent: 4069851 (1978-01-01), Bibler
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