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| Number | Title | Issue Date |
| 8020594 | Debarking mechanism The invention relates to a debarking mechanism (1) for the decortication or pretreatment of logs (2) for separately performed final debarking and for the discharge of at least some of the bark removed from a wood stream passing through the debarking me... | 09/20/2011 |
| 7931055 | Log debarking tool and tool tip A tool for a ring-rotor log debarker, including an elongate, curved body for being attached by one end to a ring rotor of a log debarker. At least one attachment hole extends through the curved body of the tool on a free end opposite the one end attached to the ring... | 04/26/2011 |
| 7882869 | Replaceable flute inserts for a roller assembly of a debarker apparatus Apparatuses, systems, and methods for transporting logs through a debarker are shown and described. The disclosed embodiments of roller assemblies can be used for quickly and conveniently moving logs along a processing line. Some disclosed embodiments include fluted... | 02/08/2011 |
| 7461675 | Barking device and barking tool The barking device includes a barking arm and a barking tool which is mounted in a tool seat of the barking arm. The barking tool has a convex mounting surface, while the seat surface of the barking arm is concave. The barking tool is movably mounted in the tool sea... | 12/09/2008 |
| 7243693 | Log debarking machine and method A log debarking machine includes a rotary cutter head on a debarking arm. The arm is pivotally mounted on a car so that the head engages a rotating log. The weight of the arm is supported by an elastomer spring to improve debarking engagement between the head and th... | 07/17/2007 |
| 6991011 | Opening rotor type debarking machine The present invention relates to a barking machine which comprises a frame (1), barking rotor (2), which is rotably mounted on the frame (1) and which barking rotor comprises a rotor frame (3), barking blades (4) mounted on the rot... | 01/31/2006 |
| 6976515 | Modular drive wheel for log processors, delimbers and single grip harvesters The modular drive wheel for log processors includes a tubular midsection sandwiched between a pair of annular rings mounted concentrically on opposite ends of the midsection. The midsection has a resilient outer surface extending around the midsection. The pair of a... | 12/20/2005 |
| 6971423 | Method and apparatus for singulating, debarking, scanning and automatically sawing and sorting logs into lengths A log handling and cutting system which cuts logs into lengths, and allows for maximum use of fiber. The system includes equipment for singulating the logs, optimally removing the bark from the logs, scanning the true log image, cutting the logs to length, and sorti... | 12/06/2005 |
| 6962178 | Tree processor A log delimbing processor includes two pairs of grapples for holding workpieces for translation along their length so as to engage delimbing knives. The workpieces are urged by a pair of driven wheels on opposite sides of the workpieces, by a driven upper roller mou... | 11/08/2005 |
| 6776202 | Log peeling apparatus A log-peeling machine for removing bark from logs to simulate hand peeled logs. A log is held in position on a pair of movable log support frames, each having multiple adjustable log support and drive roller assemblies. An independent high-speed cutting head is mova... | 08/17/2004 |
| 6675846 | Lineal log peeler and debarker for use in log home construction The invention discloses a lineal log peeler and debarker that debarks logs for use in home construction automatically by, an operator in a protected control booth. The machine is electronically controlled and replaces the difficult, dangerous and time-con... | 01/13/2004 |
| 6623876 | Sintered mechanical part with abrasionproof surface and method for producing same The invention concerns a mechanical part with abrasionproof surface characterized in that it comprises a sintered metallic body obtained from metallic powders and a laser-deposited cermet coating. The coating has a certain thickness whereof a portion is m... | 09/23/2003 |
| 6619346 | Debarking machine The invention relates to a debarking machine for the debarking of logs and for the expulsion of at least some of the removed bark from a wood flow passing through the debarking machine. The debarking machine having a number of rotating debarking shafts ex... | 09/16/2003 |
| 6615884 | Debarking shaft for a debarking machine The invention relates to a debarking shaft (3) for a debarking machine (1). The debarking shaft (3) has its teeth (4) designed as a number of annular tooth rims (20), each of said tooth rims comprising two or more releasably connected elements (21, 22), h... | 09/09/2003 |
| 6588467 | Arrangement in the discharge end of a debarking machine The invention relates to an arrangement at the discharge end of a debarking machine (12) for the preliminary debarking of logs (2) prior to a separately performed final barking and for the expulsion of at least some of the removed barks from a wood flow p... | 07/08/2003 |
| 6578609 | Apparatus for debarking logs with movable debarking surface for varying rate of debarking An apparatus for debarking logs comprising a drum rotatable about an axis and having an inner surface and outer surface with at least one movable debarking surface adjacent the inner surface of the drum to debark logs that come into contact with the movab... | 06/17/2003 |
| 6539993 | Method and apparatus for singulating, debarking, scanning and automatically sawing and sorting logs into lengths A log handling and cutting system which cuts logs into lengths, and allows for maximum use of fiber. The system includes equipment for singulating the logs, optimally removing the bark from the logs, scanning the true log image, cutting the logs to length... | 04/01/2003 |
| 6516843 | Method for defrosting logs and a defrosting apparatus The present invention concerns a method and an apparatus for defrosting frozen wood prior to debarking. The defrosting method of logs of the invention is based on bringing heat zone-specifically to logs in transfer motion on a conveyor according to their ... | 02/11/2003 |
| 6457499 | Rotary ring debarker with debarker tools arranged in offset rotary debarking planes A rotary ring log debarker including one or more rotary rings each carrying one or more sets of equiangularly distributed log debarking arms and tools, in such a manner that the overall machine includes at least two axially offset (leading and trailing) s... | 10/01/2002 |
| 6263931 | Trimming member arrangement for a tree trimming device A first tree engaging device is attached to the first trimming member and maintains the first trimming member at a transverse position relative to the tree trunk during relative longitudinal movement of the tree trunk. The first trimming member includes a... | 07/24/2001 |
| 6260592 | Cutting piece and cutting arm for a debarking machine of a hollow-rotor type A replaceable cutting piece and a cutting arm for a debarking cutter for a debarking machine of a hollow-rotor type, which cutting piece (6) and cutting arm (4) comprise supporting surfaces and abutment surfaces for receiving loads acting on the cutting p... | 07/17/2001 |
| 6213178 | Method and apparatus for handling logs to be debarked Methods are disclosed for removing the bark from logs including transporting the logs in a longitudinal direction, cutting the surface of the logs as they move in the longitudinal direction using blades projecting upwardly with respect to a bottom surface... | 04/10/2001 |
| 6189583 | Apparatus for removing barks from a wood- and bark-containing log flow An apparatus for removing bark from a wood and bark containing log flow. The apparatus includes a number of bark separation units, each of the bark separation units comprising an aggregate of a toothed disc mounted on a first disc shaft and a smooth-surfa... | 02/20/2001 |
| 6173748 | Method of reducing noise in a barking plant and a barking drum, chipper and conveying line A method of reducing noise in a barking plant; a barking drum, a chipper and a conveyor between these. The penetration of noise through conveying openings of a partly or wholly covered conveyor (3) for receiving logs from a barking drum (1), and/or a part... | 01/16/2001 |
| 6155317 | Mechanical pull-through delimbing device A mechanical pull-through delimber device having opposed semicircular blades urged closed by counter-weights and coupled so that both open when one is pivoted open using a lever.... | 12/05/2000 |
| 6009921 | Highlift antiwear attachment for angle debarking drum lifters An improved lifter and a method of repairing a damaged lifter employed in a rotary drum debarker of the type which removes the bark of logs by introducing logs into a rotating drum wherein the the logs tumble and flail against one another so that the bark... | 01/04/2000 |
| 5957177 | Coupled workhead for use in timber processing There is disclosed a workhead for timber processing, the workhead having a main body and a jaw assembly for grappling timber. The jaw assembly includes first and second cooperating pairs of jaw arms that are pivotally mounted to the main body. The first o... | 09/28/1999 |
| 5947174 | Drum debarker outfeed spool An apparatus for debarking roundwood is provided which has a rotary drum debarker having conveyor means to move roundwood into and through the drum debarker, and, furthermore, has a rotable outfeed spool located at the outlet of the drum debarker to conta... | 09/07/1999 |
| 5944078 | Feeding roller for a log feeding device of a debarking machine A feeding roller for a log feeding device of a debarking machine, said feeding roller (1) comprising a substantially drum-like body (3) and a rib formation (5) consisting of ribs (9) provided in separate rib elements (6) to be fastened to the circumferenc... | 08/31/1999 |
| 5896902 | Debarking knife and method of manufacturing it A debarking knife includes a plate having at least one sharp debarking edge delimited by a leading face and a trailing face. The leading face is reinforced by an anti-abrasion hard surface coating having better anti-abrasion qualities than the substrate f... | 04/27/1999 |
| 5896901 | Debarking drum A rotatable debarking drum for removing the bark from logs comprises a cylindrical member and a plurality of axially extending rows of debarking tools circumferentially distributed on an inner circumference of the cylindrical member. Each row of debarking... | 04/27/1999 |
| 5873398 | Debarking device A debarking device includes a drum having a radically outer peripheral surface, the drum being arranged to be rotated about a longitudinal axis. Two bogies, spaced from one another in the circumferential direction of said outer peripheral surface of said ... | 02/23/1999 |
| 5868186 | Debarking wood without introducing contaminants into the wood This invention relates to a wood chip recovery system which removes bark from roundwood or wood chips. It is desirable for such structures of this type to recover the wood chips from the bark without introducing contaminants, such as metal ions like iron,... | 02/09/1999 |
| 5839490 | Rubber lining for corrugated debarking drum A liner for a corrugated debarking drum having a continuously undulating outer wall with an interior surface including an axially extending concave portion includes an elastomeric compressible body having an inner surface adapted to be positioned over the... | 11/24/1998 |
| 5803142 | Debarking and chipping folded whole-trees This invention relates to debarking and chipping folded whole trees. Such structures of this type, generally, increase wood recovery by making high-quality chips out of tree tops, branches, as well as, other larger portions of the tree.... | 09/08/1998 |
| 5797437 | Log peeler A log peeler comprises a log peeling knife assembly 10 attached to a pulling cable 12, the pulling cable 12 being reeved around a powered cable drum 14. The pulling cable is attached at each end of the knife assembly so that the knife assembly will be pul... | 08/25/1998 |
| 5709257 | Removing bark from wood chips A method of crushed ground-wood processing comprises charging the input between two relatively revolving and displaced conical surfaces with simultaneous dimension separation variation by circulating vibrations causing the surfaces to apply variable squee... | 01/20/1998 |
| 5704409 | Flexible mounting system for log debarking equipment A flexible mounting system principally developped for ring-type log debarkers comprises a combination of freely oscillating supporting links and weight compensating pneumatic devices, arranged in such a way as to allow the working tool assembly of the deb... | 01/06/1998 |
| 5647418 | Debarking tooth of a debarking machine A debarking tooth of a debarking machine comprises a platform secured to an outer surface of a rotary member rotatably arranged in a wood container; a blade tip plate detachably attached to the platform; an arbitrary number of engage projections formed on... | 07/15/1997 |
| 5638878 | Log debarking apparatus An improved log debarking apparatus characterized by a pair of shafts with cleated wheels for supporting and rotating a log under a rosser type debarking tool. The improved log debarking apparatus further has a plurality of log lifters movably supported a... | 06/17/1997 |
