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Patent Searching and Data


Matches 501 - 550 out of 5,713

Document Document Title
WO/1992/010342A1
By a method of continuously processing chopsticks (35), the outer shape of which is defined by two mutually parallel surfaces and two opposing, plane, oblique surfaces (5, 6) inclining towards one another by the same inclination seen rel...  
WO/1992/005020A1
A device for the chip-free cutting of strips (3) from square timber (1) has a feed device (5) which conveys the square timber (1) longitudinally and at the same time presses it against a facing timber guide surface (9). The cutting edge ...  
WO/1991/017030A1
Procedure and apparatus for controlling the barking process in a barking drum, which procedure uses measuring devices (13a, 13b, 14a, 14b) placed in conjunction with the barking drum (1) to measure the weight of the drum. The measurement...  
WO/1991/016983A1
A chip breaker with breaking units (5) arranged on several rotary carrier discs (3a, 3b), each forming a set of tools (6a, 6b, ...) and with cutting strips (7, 8) secured to the housing is to be optimised to reduce the driving power need...  
WO/1991/012943A1
A device intended to bark logs and similar including: several support wheels (4, 8) on each side of a log (1), set on support arms (9, 7) and arranged to be turnable at an angle in relation to the log (1) to carry the log in a feed line ...  
WO/1991/010544A1
Method and apparatus for converting a tree (6) into wood chips by means of a chipping unit (4) coupled to a vehicle (1). Chipping unit (4) coupled to vehicle (1) is taken to the tree base (6) and by means of its gripping elements (10, 11...  
WO/1991/008879A1
Procedure and apparatus for determining the ending instant of the block rounding stage in a veneer-cutting machine, in which procedure the sound produced by the cutting during the rounding stage is monitored by means of a sensor (12). Th...  
WO/1991/008880A1
A method of and a device for working a longitudinal groove in natural wall logs. Drawbacks of the prior art methods of industrial working of logs are uneconomic use of raw material and unsuitability for working a longitudinal groove in a...  
WO/1991/007260A1
An apparatus for guiding a piece of timber, especially a block (2) to be machined in a chipper canter. A chain conveyor (10) for conveying the block is provided in front of the chipper canter and at least one press roll (24, 26), for pre...  
WO/1991/005641A1
A cutting cylinder (3) is proposed which has a fillet (40) arranged inside an acceptance groove (20-25) for easier handling.  
WO/1990/015702A1
An arrangement in wood chippers of the kind which includes a rotatable body, such as a disc, on which knives (12) are secured with the aid of knive holders (10). Mounted adjacent the knives and the knive holders are wear plates (24) whic...  
WO/1990/015900A1
The invention, as a new industrial product, relates to a porous, micronized, low density vegetable filler with a controlled particle size and low specific physical and hydraulic surfaces. This vegetable filler is characterized in that (1...  
WO/1990/003254A1
The present devices for branch trimming of tree are expensive and the branch trimming performed manually is slow and dangerous. To the device in accordance with the invention belong a frame (1), which is formed from a bent shaped bottom ...  
WO/1989/012535A1
The invention concerns a spindle drive for a veneer lathe. In view of reducing the mobile masses of the drive gear equipment and making the lathe better adaptable to different log lengths, the opposite spindles in the lathe are provided ...  
WO/1989/011383A1
Apparatus and method for spreading and refining natural wood (13) which has been crushed in a pair of crushing rollers, to form a flexible open lattice work web (14) of naturally interconnected wood strands which are generally aligned al...  
WO/1989/010824A1
Sawing machine for the sawing of boards or equivalent from logs (1), said machine consisting of log feeding devices (2), chipping cutter heads (5) for chipping the log surface, and disc saw units (8) for sawing the logs in the lengthwise...  
WO/1989/009685A1
A driving device comprises at least one chain (16) in the form of a closed loop. The chain is connected to at least one driving member arranged to cause the chain to orbit. Furthermore, the chain is laid over diverting members which in c...  
WO/1989/001855A1
This invention concerns a feeding wheel for the use in wood processors and wood harvesters for the feeding of wood trunks (6) past debranching knives (7). The feeder wheel comprises an inner steel cylinder (2) provided with an outer thic...  
WO/1989/001854A1
A feed roller for a device for processing tree trunks, in particular for limbing and sawing, has an elastic casing in which a plurality of drivers is arranged equidistantly over the casing surface. Each driver is held in the casing by a ...  
WO/1988/008751A1
The disclosure relates to an apparatus for granulating excess material in the production of plastic articles by means of knives (41) disposed at one end of a feeder screw (20) and cooperating with a number of preferably fixed counter kni...  
WO/1988/001925A1
A feeding device for longitudinally feeding a tree stem comprises a breast part (2, 2') to be applied against the stem, and two separate feeding units (3, 3'), suitably in the form of endless chains which are movable towards and away fro...  
WO/1988/000517A1
A process and device are used to cut up a tree trunk (10) into wood products without producing shavings. The tree trunk (10) is axially guided against at least one knife (50) which separates a wood product, preferably a sideboard (51), l...  
WO/1987/007202A1
Logs which are difficult to bark can be pretreated by impacts in order to reduce the bond of the bark to the wood prior to a frictional debarking of the logs. In order to avoid the strength problems which arise at the journalling points ...  
WO/1987/007203A1
A log-feeding device (2), preferably included in a barking machine of the rotation ring type (1), comprises an apparatus provided for measuring the diameter of the logs and comprising at least three, and preferably precisely three, rotar...  
WO/1987/006520A1
Chipper for chipping of wood into chips suitable for defibrizing. The basic construction of the chipper consists of a horizontal shaft supported by a frame structure as well as of a blade disc mounted on the shaft in a vertical plane. Th...  
WO/1987/005852A1
A method and a mobile unit for barking and/or limbing and chipping as a continuous operation. A log is given a linear displacement movement by means of a feed unit (6) including two in relation to each other displaceable feed rollers in ...  
WO/1987/005851A1
A barking method, and an apparatus for utilization of the method, in which a log (6) during a substantially linear feeding movement is brought to pass one or a number of barking means (1; 4, 4'), arranged to perform a surrounding and rot...  
WO/1987/005252A1
The apparatus of the invention is comprised of a gimlet (8) having four successive threads, a first thread (9) starting from the tip of the cone and extending over a few turns, a second thread (10) with a double pitch and very inclined, ...  
WO/1987/000115A1
A root chipper, which is simple in construction, inexpensive to manufacture, silent and economical to run and comprises a support device (1) for the log (8), the root swelling portions (9) of which are to be removed to render said log ac...  
WO/1986/007300A1
Method for cutting a stack of veneer or similar sheet-like material for obtaining sheets of veneer etc. which are cut to size and have at least four sides, in which method the cutting device, which is mounted on a frame for moving in a d...  
WO/1986/005736A1
A device for mechanically splitting cleavable objects, especially blocks of wood, comprising two rotatable splitting wheels (2) whose rotation is effected by a motor (9). The splitting wheels (2) are provided with a number of teeth (40) ...  
WO/1986/003650A1
A tree handling apparatus, wherein an element (1) for handling a tree (12) is articulated relative the body (2) of said tree handling apparatus. Said element (1) for handling a tree (12) is pivotally supported in a manner that the fulcru...  
WO/1986/003812A1
A piston cylinder mechanism (2) comprised in an apparatus operative by pressure fluid, and connected between two in relation to each other movable parts (1, 38), is arranged to resiliently yieldingly counteract movement between the parts...  
WO/1986/002874A1
A bundle limber of the type which comprises a rotatably mounted drum (13) within which a number of processing devices are mounted for mechanically processing a bundle of stems with twigs in order to limb and preferably also feed said ste...  
WO/1986/001452A1
A method for splitting boards, chiefly chipboard, in order to obtain two equal-size sections whose surfaces present a rough and decorative texture, and a device which operates in accordance with this method. The board is directed between...  
WO/1986/000258A1
Wood slitting tool with a motor chainsaw drive for slitting wood pieces from wood cranks, driving by means of a slitting cone of wedge secured to the guiding blade (8) of a chainsaw a chain toothed whell (9) arranged in the slitter, to w...  
WO/1985/005589A1
Feeder apparatus for timber harvesters, said apparatus being intended to pull the log in for trimming and preferably featuring a three strand roller chain rotating around a turning wheel (6) and a cog wheel (5), to the outer plates (15) ...  
WO/1985/005063A1
The sides of tree trunks transported in a longitudinal direction are shaved by two cutting heads (4), which are arranged with rotation axis parallel to each other and are driven in opposite directions of rotation. The cutting circles (4a...  
WO/1985/005062A1
A sawing and cutting installation for tree trunks (1) has a cutting-head (4) linked with a hollow shaft (5), which cuts off small pieces from the side parts (1a) of the trunk (1). Fitted inside the hollow shaft (5) is a rotary sawing sha...  
WO/1985/002367A1
Method and apparatus for forming a flexible open lattice work web (14) of naturally interconnected wood strands. A log of wood (10) is passed through a pair of rollers (24, 26) to crush the log and form the web (14). One roller (24) is a...  
WO/1985/002369A1
Reconsolidated wood product (22) formed by compressing and bonding natural wood which has been rended to form open lattice work webs (14) of naturally interconnected wood strands. The webs (14) are laid over each other in overlapping fas...  
WO/1985/002370A1
Process and apparatus for forming a flexible open lattice work web (14) of naturally interconnected wood strands which can then be compressed and bonded to form a reconsolidated wood product. Natural wood logs (10) are repeatedly paired ...  
WO/1985/001010A1
A log debarker having a frame, a stator supported by the frame, a rotor journaled in the stator for rotation about a longitudinal axis of the rotor, a rotating mechanism for rotating the rotor about the longitudinal axis, a plurality of ...  
WO/1985/000134A1
A chipper of the mobile type which is suspended from a tractor or a similar vehicle and is preferably driven therefrom through a power take-off, which chipper has infeed means (20, 22) and a rotary cutter disc (16) with cutter knives. Th...  
WO/1984/004485A1
The plant for bark-peeling tree-trunks or the like comprises a rotary bark-peeling tool (1) having a cylinder (10) carrying skinning knives (31). Said cylinder (10) may be displaced or hinged to an oscillating arm (13) against the tree-t...  
WO/1984/003655A1
Device for chopping logs or slender trees to firewood of specified length. The device in accordance with the invention consists of a driven shaft (1) journalled as supported on an appropriate frame construction, of a blade disc (2) mount...  
WO/1984/003235A1
A chipper for producing wood chips having an orientation parallel to the fibers has a rotor (5) rotating in a drum (1) with two different types of tools which rotate with the rotor. The first type is a cutting tool consisting on elongate...  
WO/1984/003062A1
Barking arrangement for logs having nozzles (55) through which water at high pressure is sprayed onto the log. Transport arrangements are provided to carry the log along a track (16) through the barking arrangement. The arrangement compr...  
WO/1984/002871A1
A chipper in particular for the chipping of small-size thinning wood or slender trees. The chipper consists of basic components in themselves known, feed members for the small-size wood to be fed in, of a chipping member supported by the...  
WO/1984/002870A1
Electro-portable apparatus for ripping wooden logs. Behind the threaded rotary cone (9) there is arranged a fixed wedge (11) of which the lower ridge (12) is adapted to the upper portion of the log end to avoid the rotation of the latter...  

Matches 501 - 550 out of 5,713