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WO/1996/026817A1 |
A method for mounting a wear plate and a knife base on a disc chipper's disc, and a disc chipper. The wear plate (6) rests against the knife base (4) via two counter surfaces (12), one of which forms in the wear plate (6) a groove in par...
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WO/1996/024473A1 |
A process and device are disclosed for manufacturing strands from round wood. The round wood is always an individual tree trunk (30). The tree trunk (30) is fed by a conveyor (50) to a chipping device (51, 52). The chipping device (51, 5...
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WO/1996/022176A1 |
The invention relates to a method and apparatus for removing bark balls from a log flow traveling on a conveyor (3) which extends from a debarking drum (1) to a chipper (2), said conveyor (3) including a roller assembly (4) provided with...
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WO/1996/018481A2 |
High powered lasers are used to score the bark (28) on logs (26) before they are mechanically debarked. Typical of the lasers employed are multi-kilowatt CO2 industrial lasers. A high powered laser beam (20) is brought to a focus just ab...
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WO/1996/015886A1 |
This invention relates to a device in a barking unit, which comprises a barking drum which is placed on two bogies, positioned at a distance from each other, each bogie comprising a travelling wheel and a driving wheel, positioned at a d...
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WO/1996/009922A1 |
The present invention relates to a hand-operated wood-splitter with striking weight (1) movable along a rod (2) connected at its lower end to an axe or splitting wedge (5). The invention is characterized in that the rod (2) for the strik...
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WO/1996/005033A1 |
An improved knife clamping system for use in an apparatus for processing wood, such as a flaker, chipper or waferizer, that employs a rotary disc or ring (2), cutting knives (10), holding locations (8) mounted on the disc or ring (2) to ...
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WO/1996/000639A1 |
A knife for disk type chip cutter machines with a circular rotatable cutter disk (10) on its first axial side being provided with several knives running from the disk centre to its periphery. An opening (14) is provided in the disk in co...
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WO/1995/034415A1 |
The invention relates to an apparatus for producing sideways curved woodwool fibres. The apparatus comprises a flat rotatable disc (2), in the surface of which is provided at least one knife assembly (7) comprising a thickness knife (8) ...
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WO/1995/034416A1 |
The invention relates to a knife assembly for slicing woodwool, comprising a knife with a chip surface (1), a clearance surface (2) and a cutting edge (3), defined by the intersection between both surfaces. The knife assembly is characte...
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WO/1995/027410A1 |
The invention pertains to an apparatus for peeling oblong vegetable and/or agricultural products (1), having at least two pairs of rollers (2) to convey the product (1) and a cutter unit (3) situated between the pairs of rollers (2), cha...
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WO/1995/024998A1 |
A process is disclosed for recovering chips and fibres from residues of timber-derived materials, old pieces of furniture, production residues, waste and other timber-containing materials glued with urea-formaldehyde binders or other bin...
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WO/1995/024300A1 |
The invention relates to surface-working of logs, such as pillars or beams, with a rotating cutting-edge unit (23). These days the working is done in such a way that the log to be worked is rotating. The efficiency is low in this case, e...
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WO/1995/017619A1 |
Chain flail apparatus, particularly for de-barking felled trees and logs is provided with flail chain lengths attached to a rotable drum. The flail chain lengths are composed of interconnected links of a form enhancing the lateral and to...
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WO/1995/014133A1 |
A wood chip cracking device (20) for use in papermaking employs closely spaced, oppositely rotating rolls (24, 26) which have pyramid-shaped projections (38) on the roll surfaces (32, 34). This chip destructuring apparatus (20) is render...
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WO/1995/011117A1 |
A butt reducing machine comprises axially spaced-apart support means (12, 13) which together form a support on which logs (7) may be placed in a position in which a butt end part (7') protrudes into the region above a mill (8), at the sa...
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WO/1995/011118A1 |
The invention relates to a cutting disc for barking and hewing timber in order to provide round timber usable for instance in log cabins. The cutting disc, designed to be connected for instance to a motor saw, comprises a rotatable body,...
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WO/1995/004596A1 |
This invention pertains to a novel wood fibre debris processor. More particularly, this invention relates to an apparatus which can simultaneously segregate or classify and debark in a singular process wood fibre debris which results fro...
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WO/1995/003158A1 |
The invention relates to a bearing and/or drive system for a rotating drum (1), especially a peeling drum, in which the drive force is preferably transmitted by friction. The main object of the invention is to provide a bearing and/or dr...
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WO/1995/001857A1 |
This invention relates to a knife system for a machine used in wood chipping, a knife (10), a guide component (14) and a filler part (24) and a method of exchanging knives. The system comprises at least one turnable or at least two excha...
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WO/1994/027816A1 |
Methods for producing a chipped wood surfacing material having unusually high shock absorbing capabilities are provided. The chipped wood is processed in order to give it a very high shock absorbing quality. This invention also relates t...
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WO/1994/026484A1 |
A debarker is described, with converging blades, with hydraulic and/or penumatic control, to extract the bark from pruned branches or from branches and logs of felled trees. Small stumps obtained by dividing the pruned branches or the lo...
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WO/1994/020272A1 |
The invention relates to an apparatus for debarking logs individually with the aid of high-pressure water jets. The spray nozzles are intended to spray water in focused jets against the log at the same time as the log moves past the spra...
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WO/1994/019158A1 |
An apparatus (10) for removing the bark of whole, or tree-length, logs has an open frame (12) with a feed end (28), a discharge end (30), a base and two generally sloping sides, and a plurality of spaced-apart conveyor assemblies (20) po...
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WO/1994/017311A1 |
A driving device comprises a source of hydraulic fluid under pressure, a working arrangement (6) having a working chamber (7) intended for receiving hydraulic fluid and a working member (8) adapted to be put in motion on respective fluid...
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WO/1994/013442A1 |
A machine for reducing the size of vegetation to wood chips is provided in which vegetation is introduced to the machine via a roller (13, 18) and conveyor (14) arrangement and is reduced in size to wood chips by a rotating drum (30) is ...
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WO/1994/008766A1 |
The novel derived timber product consists of slim, sheet-like components (9) which are arranged to overlap primarily in a scale-like array substantially parallel to the surface of the sheet or moulding-like derived timber product and fir...
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WO/1994/007355A1 |
A thinning machine comprising a chipping unit (9) with a felling boom (5), a tractor means (8) and a platform (3). The chipping unit (9) is attachable to and detachable from the tractor means (8) by fastening means (7a, 7b) in order that...
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WO/1994/005474A1 |
The invention relates to a method in the process of timber debarking, whereby the debarking apparatus used comprises a rotary cylindrical drum (2), preferably equipped with transfer elements therein. The logs are conveyed from the feed e...
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WO/1993/020986A1 |
Described is a device for cutting sheets of wood off square timber (2) without forming chips, the device having two measurement devices (3, 4) which determine the taper of the timber (2) in the transverse direction. A cutter blade (10) w...
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WO/1993/018896A1 |
A mechanized disc flaker for producing curled wood flakes having a rotatable disc plate (10), and one or more cutting knives (22) mounted to the disc plate so as to provide for a slight "rake angle" defined in accordance with the inventi...
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WO/1993/017844A1 |
A log debarker for debarking a lengthwise-moving log includes a pair of debarking subassemblies (12, 12A) each including a pair of cylindrically concave, rotating cutter elements (20, 20A) juxtaposed on opposite sides of the log and form...
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WO/1993/015886A1 |
A hydraulically operated tool comprises two working members which are intended to be moved towards one another during a working stroke so as to work a workpiece located therebetween. At least one of the working members is driven by a pis...
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WO/1993/013921A1 |
In a device for the removal, without shavings, of strips (2) from squared timber (1), an endless feed belt (6) is fitted in an adjustable-height frame (7). The feed belt (6) presses the squared timber (1) in several passes against a blad...
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WO/1993/008002A1 |
Procedure and apparatus for sawing a square timber, the apparatus comprising a feed mechanism (1), a chipper (2) and a sawing apparatus (3) in such manner that the feed mechanism has been arranged to feed the square timber into the chipp...
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WO/1993/005938A1 |
A device for the thermal pretreatment of wooden blanks (11) has a drum (1) with radial compartments (10) filled with a thermal treatment medium in which the wooden blanks (12) are arranged. An inner drum (8), at the outer circumference o...
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WO/1993/001033A1 |
In the method proposed, the wood chips are heated with steam under pressure and at the same time comminuted to convert them to fibres. The fibres are blown down a pipe (3), during which they are allowed to expand, into a drier (6) where ...
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WO/1993/000206A1 |
The invention concerns a veneer cutter for cutting off the faulty spots, and for cutting the veneer into sheets at certain intervals. The cutter is furnished with rotatable blade, which consists of two independently controllable sections.
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WO/1992/021490A1 |
A process is disclosed for producing small wooden boards by chipless cutting. A strip of timber (1) lying on a forward-feed path (3) is moved by a forward-feeding, pressing arrangement (18) against a cutting arrangement (7), so that the ...
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WO/1992/021491A1 |
Apparatus for splitting wood is disclosed comprising an arm (34) carrying a blade (52) operated by a hydraulic ram (40) mounted in an arch (22) forming part of a frame (12) which can be mounted on a lifting mechanism of a vehicle such as...
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WO/1992/020501A1 |
A veneer slicer having a flitch (22, 24, 26, 28) carried by a rotating carriage (12). A knife and pressure bar (42) are carried on a reciprocating carriage (40) which moves back and forth relative to the carriage (12). The carriage (12) ...
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WO/1992/019702A1 |
A method and machine for making a new and improved compressed wood fuel pellet are provided. The method has the steps of severing a wafer of tree trunk or branch, punching or splitting a small portion along the grain in the wafer, confin...
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WO/1992/018305A1 |
A gas spring for barking machines comprises at least one elastic cushion or bellows (12, 12') which is filled with gas and operates between a stationary abutment (13) on a rotor of the machine and a supporting plate (15) connected to a d...
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WO/1992/018304A1 |
A rotation-ring barker comprises a stator (7) and a rotor (8) which is mounted so as to be rotatable in relation to the stator and which has an opening (4) for a log to pass through. A number of pivotable processing tools (2) are connect...
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WO/1992/013687A1 |
Decorative shaped wood shavings are produced by forming green wood into curled shavings and subsequently drying those shavings, suitably after dying the curled green shavings.
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WO/1992/013686A1 |
The invention relates to a method and an arrangement for removing bark when handling a trunk (A) in a timber harvester, especially in connection with lopping. To remove the bark, the axis of rotation of means (1) for feeding the trunk (A...
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WO/1992/013685A1 |
A canter for processing a log by directly cutting into chips the material removed from the log, comprises a rotatable canter member which essentially has the shape of a truncated cone and on whose circumferential surface are provided rep...
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WO/1992/011979A1 |
The invention concerns a cutter for cutting a moving web at rightangles at selectable cutting intervals. The cutting action is executed by a rotatable blade pressed against the web. The rotational direction and speed of the blade are con...
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WO/1992/011980A1 |
A wood splitter comprises a fixedly mounted splitting wedge (2) and a pressure plate (4) which is driven by means of hydraulic devices (5, 6) so as to feed pieces of wood (3) onto the splitting wedge. The hydraulic fluid is delivered to ...
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WO/1992/011942A1 |
A comminutor (1) for reducing large diameter wood products and stamps to size, comprised of a reduction chamber (25), with an impact rotor (50) positioned concentrically therein, in combination with a housing (10), drive motor (5) and in...
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