B - Operations – Transporting – 27 – L
Patent
B - Operations, Transporting
27
L
144/11
B27L 11/00 (2006.01) B27L 1/00 (2006.01)
Patent
CA 1292924
A B S T R A C T A method and a mobile unit for barking and/or limbing and chipping as acontinous operation. A log is given a linear displacement movement by means of a feed unit including two in relation to each other displacable feed rollers in direction towards a chipper , and as first step preceeding the feed rollers, existing branches are removed by a limbing unit including at least two knife-acting means, displacable in relation to each other in a substantially crosswisely extending plane in relation to the longitudinal and displacement direction for the log, pressed against the peripheral surface of same. During the linear feeding movement of the log, existing branches are sheared or cut off. When performing barking, the feed unit is followed by a rotary barking unit surrounding the log, including a number of barking means with members arranged to take up cutting or frictional contact with the peripheral surface of the log, which by means of centrifugal force during a rotary movement in a plane different from the feeding direction for the log are pressed against the peripheral surface of the log, and by means of a cutting operation remove a layer of bark surrounding the log.
533087
Jingsons Ab
Marks & Clerk
LandOfFree
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