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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...
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...
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...
7841373 Apparatus for surfacing flitch  
An apparatus for surfacing a flitch by cutting material from its radially outer surface to prepare the flitch for veneer slicing or other uses. The apparatus comprises a cutterhead rotatable about...
7743805 Debarking tip assembly with replaceable cutting element  
Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be used for quickly and conveniently replacing contact surfaces of swing arm assemblies....
7677279 Delimb knife mounting arrangement for tree harvester head  
A tree harvester head comprises a drive wheel, a delimb knife, a pin, a wheel-mounting inner sleeve to which the drive wheel is mounted, and a knife-mounting outer sleeve to which the delimb knife...
7556071 Debarking mechanism  
A debarking mechanism including a number of rotatable debarking shafts extending parallel to an advancing direction (A) of the trees to be fed therethrough, which are provided with a number of...
7503359 Harvester for a forestry machine  
A harvester for a forestry machine comprises grapples, a cutting device, trimming devices, and advancement devices for grasping, cutting, trimming, and advancement in the axial direction,...
7487809 Tree pruning apparatus  
A pruning assembly (10) including an elongate supporting body (not shown), right (11) and left (12) jaw members hinged together and movable along the supporting body and each having three sets of...
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...
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...
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),...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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)...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
5538056 Log conditioning before mechanical debarking  
High powered lasers are used to score the bark on logs before they are mechanically debarked. Typical of the lasers employed are multi-kilowatt CO2 industrial lasers. A high powered laser beam is...
5524685 Debarking/delimbing apparatus  
Debarking/delimbing apparatus, especially for softwood, comprises at least one spool device mountable so as to be rotatably driven about an axis and capable of removing bark from tree parts moved...
5511596 Quick change debarking chain  
A rotor link attached to a debarking cylinder. An open link is attached to the rotor link and a chain is attached to the open link. The open link must be rotated forward in the direction of...
5472027 Log bark slitting machine  
A bark slitting machine has swing mounted slitting arms on a rotating ring through which a log is fed. The arms have a swept back outer portion with a cutting edge and an attack angle having a size...
5458172 Debarking and chipping apparatus  
A debarking and chipping apparatus mainly for coniferous trees, intended for the production and recovery of bark chips and chips for digestion from small trees (5) having a diameter of 4-20 cm. The...
Matches 1 - 50 out of 164 1 2 3 4 >