Debarking method and apparatus

Details Debarking method and apparatus Debarking method and apparatus

1974-12-16

1976-05-11

Simpson, Othell M.

Woodworking

Bark rosser

Tree climber

144311, B27L 100

Patent

active

039556085

ABSTRACT:
Logs or tree limb sections to be debarked and a plurality of smaller, higher density impact objects are disposed in a series of interfaced, open-ended cylindrical sections, alternate ones of which have different diameters and are rotated in opposite directions about generally horizontal axes. The cylindrical sections are generally tangent about a point above their rotational axes and their upper ends are inclined slightly to promote migration of the impact objects and wood sections in series through the chambers and for discharging the same from the final chamber. At least the larger diameter sections include conveyers for carrying the impact objects upwardly and for releasing the same for impacting engagement against the wood sections to be debarked and an external conveyer recycles the impact objects from the final to the initial cylindrical section. An air delivery system discharges dislodged bark and other foreign material from the cylindrical sections.

REFERENCES:
patent: 3020943 (1962-02-01), Hjartsater
patent: 3272245 (1966-09-01), Dick et al.
patent: 3708001 (1973-01-01), Koskinen
patent: 3709268 (1973-01-01), Tuuha

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