| 摘要 |
A drum barker including an elongated drum arranged to rest in a horizontal position and supported for rotation by several systems of motor driven wheels placed in a row on both sides of the drum and for axial movement by a set of wheels engaging a pair of guiding rings situated on the drum. The drum is adapted to receive through one end the timber to be debarked. The inner surface of the drum is provided with projections for removing the bark, while the outer surface is provided with slots through which the detached bark is discharged. A spray system is included for spraying a liquid on the timber either as it enters the drum to soak the bark or as it leaves the drum to facilitate the removal of loose bark from the timber, or both. The spray system may also spray the rotating and axially movable drum and the system of wheels to reduce the friction between the outer surface of the drum and its points of contact with the system of wheels.
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