EP1091836B1 - Hackschnitzel, verfahren und vorrichtung zum erzeugen eines hackschnitzels sowie zum profilieren eines baumstammes und deren verwendungen - Google Patents
Hackschnitzel, verfahren und vorrichtung zum erzeugen eines hackschnitzels sowie zum profilieren eines baumstammes und deren verwendungen Download PDFInfo
- Publication number
- EP1091836B1 EP1091836B1 EP99929270A EP99929270A EP1091836B1 EP 1091836 B1 EP1091836 B1 EP 1091836B1 EP 99929270 A EP99929270 A EP 99929270A EP 99929270 A EP99929270 A EP 99929270A EP 1091836 B1 EP1091836 B1 EP 1091836B1
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- European Patent Office
- Prior art keywords
- flake
- center line
- chipping
- wood
- line section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B1/00—Methods for subdividing trunks or logs essentially involving sawing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/007—Combined with manufacturing a workpiece
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
- Y10T428/24074—Strand or strand-portions
Definitions
- the invention relates to a wood chip with a first, concave surface and a second, convex surface, the between them the essentially wedge-shaped Limit wood chips, with the surfaces in an imaginary Converge the tip outside the wood chip and the Tip on a midline running between the surfaces around a midline section outside of the chips lies.
- the invention further relates to a method for generating a essentially wedge-shaped wood chips, in which the wood chips by means of a rotating chipping tool is machined from the wood in such a way that it is a first, concave Surface and a second, convex surface that limit the wood chips between them.
- the invention further relates to a method for profiling a Tree trunk, in which lengthwise by means of a chipping tool running corners cut out of the tree trunk and side boards are sawn off the tree trunk, one narrow side of one edge surface of the corner is formed, before the removal the corners a saw cut along the other edge surface to be led.
- the invention further relates to a device for generating an essentially wedge-shaped chip, in which the Wood chips by means of a rotating chipper tool is machined from the wood so that it has a first, concave surface and has a second, convex surface between limit the wood chips.
- the invention also relates to a device for profiling of a tree trunk, with a chipping tool for chipping longitudinal corners from the tree trunk, with means for sawing off of side boards from the tree trunk, one narrow side of which is formed by one edge surface of the corner, and with one Saw to make a saw cut along the other edge surface before chipping the corners.
- the invention relates to uses of the aforementioned Wood chips, the method mentioned and the above Contraption.
- chipper tools it is well known in the woodworking art All or part of wood using so-called chipper tools to machine.
- the cutting tools are usually used rotating tools with chipper knives on their circumference.
- the chipping tools are usually fixed in space, and the wood to be cut or machined becomes guided along the chipper head in the axial direction of the wood.
- the wood chips produced a wing-like shape with a substantially wedge-shaped Cross-section.
- the chips are big on their two Surfaces bounded by a concave or convex side, these sides from a thick end of the wood chip too a thin end or in the cross-sectional representation of a Lead tip in which the two surfaces run tangentially into one another.
- Wood chips are a valuable raw material in different ways Industries. This includes the pulp industry, the paper industry, but also the manufacturers of Wood-based materials and so-called composite components, i.e. Slabs, boards and beams made by gluing wood chips getting produced.
- wood chips are either cut completely of wood or when partially chipping wood generated.
- a partial removal of wood takes place e.g. in the so-called Profiling tree trunks instead.
- a corresponding one Methods and a corresponding device are e.g. described in DE 29 28 949 A.
- the Tree trunks processed during profiling using so-called corner cutters that mill corners out of the tree trunk in the axial direction, so that the previously or later flattened on all sides Tree trunk receives a profile with the so-called side boards can be sawed off.
- a tree trunk is profiled in that first using circular saw blades with their axes at 90 ° to each other are inclined, the corners are sawn out completely.
- EP 0 775 558 A1 describes a method for processing Tree trunks known.
- a band saw made a longitudinal cut through the tree trunk, this saw cut is placed so that it is a side board separates from the tree trunk.
- the saw blade follows in the sawn gap a separating element with which the material is still attached to the tree trunk connected side board at a distance from the remaining one Main goods are held.
- the separating element in turn follows combined trimming tool that in the already described Way of a chipper and a circular saw blade connected to it consists. With this tool the corner area machined above the narrow side of the side board to be produced and at the same time the narrow side of the side board by means of the Circular saw blade processed in a high surface quality.
- the cutting knife and that have in the cutting tool Circular saw blade the same radius of the circle.
- the flight circle runs tangential to the broad side of the separated side board, in other words, the saw teeth and the chipper knives are running not in those produced by the leading band saw Gap in it.
- Flight circle of the spanish knives would extend into the gap, this would be in the context of the present invention irrelevant because, as is well known, with band saws only extremely narrow Saw joints are generated, which are typically a maximum of 3 mm wide are. This would only result in the very extreme tips of the chips to be affected. However, this would only result in an economic one irrelevant change in shape of the chips. This also applies to this known methods in principle those already mentioned "Comma chips" created.
- one is flattened laterally Tree trunk first using a circular saw side boards sawn off, which are still provided with forest edges at their edges are. These side boards are as long as they are leading End are still materially connected to the tree trunk from which Saw plane bent and then run essentially at a distance parallel to the tree trunk. Be in this spaced apart position the side boards by means of a trimmer on the narrow sides machined and trimmed with it. The cutting edges of the trimmer run at a radial pressure angle of approx. 45 ° Direction through the wood in the area of the forest edges. The side boards run almost in the area of the axis of rotation of the trimmer past this. This is possible because as mentioned, the side boards at the moment in the side Distance from the main goods.
- the known method and the known device have thus the advantage of generating chips that are required for a subsequent Processing in the cellulose industry made cheaper are, this advantage must, however, with considerable additional Effort to be bought because the side boards after sawing off bent out of the saw plane and there at a considerable distance must be trimmed by the main goods. this is not possible for all types of wood, at least not without the side boards when turning in the fiber to harm.
- the invention is based on the object, one Wood chips and method and devices of the beginning to further develop the type mentioned or the uses mentioned specify to avoid the disadvantages mentioned above.
- wood chips should be in an economically optimal manner are generated, the shape of which is as precise as possible Classes of chips correspond to those of the processing company Industry to be paid the highest.
- the task according to the invention solved that the wood is removed from the area before chipping in which the surfaces converge in an imaginary tip.
- the task according to the invention solved that the cutting tool with its circle radius in reaches the gap created by the saw cut and is empty in it running.
- the task mentioned according to the invention solved that the cutting tool with its circle radius up extends into the gap created by the saw cut, such that it runs empty in it.
- the task is still solved by using the aforementioned Wood chips as strands in the production of composite beams or boards.
- wedge-shaped chips with thin tapering end or thin tapering tip is according to the invention provided to remove this thinly tapered end, so that only the thicker end of the wood chips remains.
- Such a shortened wood chip has one essential higher economic value and can therefore be in far better processed.
- the operator of a Sawmill system can therefore with such shaped chips with a much higher economic yield during count on the utilization of the wood chips.
- the measure that the tip is on a between the surfaces extending centerline around a centerline section outside of the wood chips is between 40% and 100% of the length of the midline section within the chips has the advantage that a woodchip is produced, which is shortened just so far that it is an economic one Represents optimum.
- the center line of the wood chips the wood chips in the transition between the center line sections intersects in an interface.
- the interface preferably closes a finite angle with the center line a, so that further preferably the wood chips between the surfaces in the transition from the concave surface to the interface has a thickness between 2 and 10 mm.
- the interface mentioned is. This is preferably done in that the Interface is made by sawing.
- the saw is preferably a circular saw with a circular saw blade more than 5 to 6 mm thick.
- the circular saw further preferably follows a riving knife, which between the Saw and the cutting tool is arranged.
- 10 denotes a wood chip of a conventional type.
- the wood chips 10 have two sides or surfaces 12, 14 that are perpendicular to the plane of the drawing and the essential ones Form the surface of the chips 10.
- the left in Fig. 1 Surface 12 is concave and right surface 14 convex.
- Surfaces 12 and 14 run in below Fig. 1 tangentially in a tip 16 or edge.
- At the opposite end of the chips 10 is preferred flat end face 18 recognizable.
- the wood chips have 10 thus a thick end 20 and a thin end 22.
- the location of the parting plane 24 within the chips 10 ' can be determined in different ways. Here are before decisive for all economic considerations, i.e. the question, in which remaining shape the wood chips 10 'are the best offers economic yield. Typically this is lateral distance of the parting plane 24 from the tip 16 e.g. 6 mm.
- a center line 26 between the surfaces 12 and 14 then for example the center line section 26a within the remaining wood chip 10 'with a length l 1 and the imaginary center line section 26b outside the remaining wood chip 10', namely up to the tip 16, Define with a length l 2 , the total length of the original wood chip being 10 l 1 + l 2 .
- An optimal position of the parting plane 24 is, for example, when l 2 is between 40% and 100% of l 1 .
- Another possible definition is to define the thickness d of the remaining wood chips 10 ′ in the transition from the convex surface 24 to an interface 28 along the parting plane 24, for example between 2 and 10 mm.
- the interface closes 28 an acute angle ⁇ with the center line 26, e.g. can be between 15 ° and 50 °.
- the flat end face 18 by cutting or sawing and the interface 28 generated by sawing in the axial direction. You are consequently each flat and parallel to each other.
- Fig. 3 is dash-dotted with 30 of the substantially circular Radial section indicated by a tree trunk. Laterally the so-called rinds are located on the trunk 30 32, i.e. Surface sections affected by forest edges.
- Fig. 4 shows this again on a greatly enlarged scale Area of a corner 34 of the tree trunk 30.
- a corner milling cutter 44 generally speaking a rotating cutting tool, used.
- the corner milling cutter 44 is rotatable about an axis 46 in the direction of an arrow 48.
- the Axis 46 is perpendicular to the longitudinal axis of tree trunk 30.
- the corner milling cutter 44 is made of two in a manner known per se Assembled tools, namely a Spaner 50 and one Saw blade 52 or a corresponding number of planing knives.
- the knives plunge the chip 50 in the area of the first edge surface 38 in the corner 34 a while the second edge surface 40 of the corner 34 is treated by the saw blade 52 or the planing knives.
- the second edge surface 40 receives a relative high (sawn) surface quality, while the first edge surface 38 as a result of rotating with a rotational movement Span knife receives a wavy surface.
- FIG. 5 shows a top view of the arrangement according to FIG. 4. With an arrow 54 is the rotary movement of the revolving around the axis 48 Corner milling cutter 44 indicated. Its radius is with r designated.
- the direction of advance of the tree trunk 30 is indicated by an arrow 56 compared to the fixed corner mill 44 (or vice versa) designated.
- 5 shows on the Tree trunk 30 also has a flattened area 58, where previously through the corresponding rind 32 is removed from the side has been.
- the flattened area 58 is axially extending Transition line 60 from the remaining forest-edged area 62 separated, in which the corner 34 by means of the corner cutter 44 to be worked out.
- a circular saw blade 70 in front of the circumferential corner milling cutter 44 arranged, which rotates about an axis 72, as with a Arrow 74 indicated.
- the axis 72 runs perpendicular to the longitudinal axis of the tree trunk 30.
- the circular saw blade 70 thus saws one Gap 76 along the transition line 60.
- the circular saw blade 70 typically has a thickness greater than 5 mm, preferably 6 mm and more, so that the gap 76 is correspondingly wide, at least considerably wider than in the case of a band saw.
- the Circular saw blade 70 can also be special depending on the individual case wide teeth.
- a circular wedge 78 can follow on the circular saw blade 70 axial direction ends where the engagement area of the corner milling cutter 44 begins.
- the arrangement is such that the gap 76 there lies where in the conventional procedure (Fig. 5) the thin End 22 of the wood chips would lie. Because in this area through the circular saw blade 70 the wood already there has been removed, the Spanischer 50 of the Spanischer des Corner milling cutter 44 as well as the saw blade 52 or the planing knife empty.
- the wood chips 10 ′ become without the thinner end 22 manufactured, so it only consists of the thicker end 20.
- the circular saw blade 70 only so far is to be understood as an example, and of course also other chipper tools can be used if e.g. the width of the gap 76 should be larger.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
- Inorganic Insulating Materials (AREA)
- Medicines Containing Plant Substances (AREA)
- Ceramic Capacitors (AREA)
- Housing For Livestock And Birds (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Cultivation Of Plants (AREA)
Description
- Fig. 1
- eine Schnittdarstellung durch einen Hackschnitzel, wie er mit herkömmlichen Zerspanerwerkzeugen hergestellt wird;
- Fig. 2
- eine Darstellung, ähnlich Fig. 1, jedoch für einen Hackschnitzel in erfindungsgemäßer Herstellung;
- Fig. 3
- eine schematisierte, radiale Querschnittsdarstellung eines Baumstamms zur Erläuterung eines Profiliervorganges;
- Figuren 4 und 5
- äußerst schematisierte Ansichten einer Vorrichtung zum Erzeugen von Hackschnitzeln herkömmlicher Art;
- Fig. 6
- eine Darstellung, ähnlich Fig. 5, jedoch in vergrößertem Maßstab und darstellend ein Ausführungsbeispiel einer erfindungsgemäßen Vorrichtung zum Erzeugen von erfindungsgemäßen Hackschnitzeln.
Claims (24)
- Hackschnitzel aus Holz mit einer ersten, konkaven Oberfläche (12) und einer zweiten, konvexen Oberfläche (14), die zwischen sich den im wesentlichen keilförmigen Hackschnitzel (10; 10') begrenzen, wobei die Oberflächen (12, 14) in einer gedachten Spitze (16) außerhalb des Hackschnitzels (10') zusammenlaufen, und die Spitze (16) auf einer zwischen den Oberflächen (12, 14) verlaufenden Mittellinie (26) um einen Mittellinienabschnitt (26b) außerhalb des Hackschnitzels (10') liegt, dadurch gekennzeichnet, daß die Länge (l2) des außerhalb des Hackschnitzels (10') liegenden Mittellinienabschnittes (26b) zwischen 40 % und 100 % der Länge (l1) des Mittellinienabschnittes (26a) innerhalb des Hackschnitzels (10') beträgt.
- Hackschnitzel nach Anspruch 1, dadurch gekennzeichnet, daß die Mittellinie (26) im Übergang zwischen den Mittellinienabschnitten (26a, 26b) den Hackschnitzel (10') in einer Grenzfläche (28) schneidet.
- Hackschnitzel nach Anspruch 2, dadurch gekennzeichnet, daß die Grenzfläche (28) mit der Mittellinie (26) einen endlichen Winkel (α) einschließt.
- Hackschnitzel nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß er zwischen den Oberflächen (12, 14) im Übergang der konkaven Oberfläche (14) zur Grenzfläche (28) eine Dicke (d) zwischen 2 und 10 mm aufweist.
- Hackschnitzel nach einem oder mehreren der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß die Grenzfläche (28) eben ist.
- Hackschnitzel nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Mittellinie (26) den Hackschnitzel (10') an dem der Grenzfläche (28) gegenüberliegenden Ende in einer Stirnseite (18) schneidet, die parallel zur Grenzfläche (28) verläuft.
- Verwendung von Hackschnitzeln nach einem oder mehreren der Ansprüche 1 bis 6 als Strands in der Herstellung von Kompositbalken oder -brettern, sowie Holzwerkstoffen.
- Verfahren zum Erzeugen eines im wesentlichen keilförmigen Hackschnitzels (10; 10') aus Holz, bei dem der Hackschnitzel (10; 10') mittels eines rotierenden Zerspanerwerkzeuges (44 - 52) derart aus dem Holz gespant wird, daß er eine erste, konkave Oberfläche (12) sowie eine zweite, konvexe Oberfläche (14) aufweist, die zwischen sich den Hackschnitzel (10; 10') begrenzen, wobei die Oberflächen (12, 14) in einer gedachten Spitze (16) zusammenlaufen und die Spitze (16) auf einer zwischen den Oberflächen (12, 14) verlaufenden Mittellinie (26) um einen Mittellinienabschnitt (26b) außerhalb des Hackschnitzels (10; 10') liegt, wobei ferner das Holz vor dem Ausspanen in dem Bereich entfernt wird, in dem die Oberflächen (12, 14) in der gedachten Spitze (16) zusammenlaufen, dadurch gekennzeichnet, daß das Zerspanerwerkzeug (44 - 52) so weit in den entfernten Bereich hineinreichend geführt wird, daß bei den erzeugten Hackschnitzeln (10') die Länge (l2) des außerhalb des Hackschnitzels (10') liegenden Mittellinienabschnittes (26b) zwischen 40% und 100% der Länge (l1) des Mittellinienabschnittes (26a) innerhalb des Hackschnitzels (10') beträgt.
- Verfahren nach Anspruch 8, dadurch gekennzeichnet, daß der Bereich derart entfernt wird, daß die Spitze (16) auf einer zwischen den Oberflächen (12, 14) verlaufenden Mittellinie (26) um einen Mittellinienabschnitt (26b) außerhalb des nach dem Entfernen auszuspanenden Hackschnitzels (10') liegt, dessen Länge (l2) zwischen 40 % und 100 % der Länge (l1) des Mittellinienabschnittes (26a) innerhalb des Hackschnitzels (10') beträgt.
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß die Mittellinie (26) im Übergang zwischen den Mittellinienabschnitten (26a, 26b) den nach dem Entfernen auszuspanenden Hackschnitzel (10') in einer Grenzfläche (28) schneidet.
- Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß die Grenzfläche (28) derart hergestellt wird, daß sie mit der Mittellinie (26) einen endlichen Winkel (a) einschließt.
- Verfahren nach Anspruch 10 oder 11, dadurch gekennzeichnet, daß der Hackschnitzel (10') zwischen den Oberflächen (12, 14) im Übergang der konkaven Oberfläche (14) zur Grenzfläche (28) mit einer Dicke (d) zwischen 2 und 10 mm ausgespant wird.
- Verfahren nach einem oder mehreren der Ansprüche 8 bis 12, dadurch gekennzeichnet, daß die Grenzfläche (28) eben hergestellt wird.
- Verfahren nach Anspruch 13, dadurch gekennzeichnet, daß die Grenzfläche (28) durch Sägen hergestellt wird.
- Verfahren nach einem oder mehreren der Ansprüche 9 bis 14, dadurch gekennzeichnet, daß die Mittellinie (26) den Hackschnitzel (10') an dem der Grenzfläche (28) gegenüberliegenden Ende in einer Stirnseite (18) schneidet, die parallel zur Grenzfläche (28) verläuft.
- Verfahren zum Profilieren eines Baumstammes (30) mit den Schritten:a) Führen eines Sägeschnittes entlang des Baumstammes (30);b) Ausspanen von längs verlaufenden, eine erste (40) und eine zweite (38) Randfläche aufweisenden Ecken (34) aus dem Baumstamm (30) mittels eines mit seinem Flugkreisradius (r) bis in den vom Sägeschnitt erzeugten Spalt (76) hinein reichenden und darin leer laufenden Spanerwerkzeuges (44 - 52), wobei sich die zweite Randfläche (38) entlang des Sägeschnittes erstreckt, bei welchem Ausspanen Hackschnitzel (10; 10') erzeugt werden, die eine erste, konkave Oberfläche (12) und eine zweite, konvexe Oberfläche (14) aufweisen, die zwischen sich den im wesentlichen keilförmigen Hackschnitzel (10; 10') begrenzen, wobei ferner die Oberflächen (12, 14) in einer gedachten Spitze (16) außerhalb des Hackschnitzels (10; 10') zusammenlaufen, und die Spitze (16) auf einer zwischen den Oberflächen (12, 14) verlaufenden Mittellinie (26) um einen Mittellinienabschnitt (26b) außerhalb des Hackschnitzels (10; 10') liegt;b) Absägen von Seitenbrettern (36) vom Baumstamm (30), deren eine Schmalseite von der ersten Randfläche (40) gebildet wird,
- Verwendung des Verfahrens nach einem oder mehreren der Ansprüche 8 bis 15 zum Ausspanen von Ecken (34) beim Profilieren von Baumstämmen (30).
- Vorrichtung zum Erzeugen eines im wesentlichen keilförmigen Hackschnitzels (10; 10') aus Holz, mit einem rotierenden Zerspanerwerkzeug (44 - 52) zum Herausspanen der Hackschnitzel (10; 10') aus dem Holz, derart, daß der Hackschnitzel (10; 10') eine erste, konkave Oberfläche (12) sowie eine zweite, konvexe Oberfläche (14) aufweist, die zwischen sich den Hackschnitzel (10; 10') begrenzen, wobei die Oberflächen (12, 14) in einer gedachten Spitze (16) zusammenlaufen und die Spitze (16) auf einer zwischen den Oberflächen (12, 14) verlaufenden Mittellinie (26) um einen Mittellinienabschnitt (26b) außerhalb des Hackschnitzels (10; 10') liegt, und mit Mitteln zum Entfernen des Holzes vor dem Ausspanen in dem Bereich, in dem die Oberflächen (12, 14) in der gedachten Spitze (16) zusammenlaufen, dadurch gekennzeichnet, daß das Zerspanerwerkzeug (44 - 52) so weit in den entfernten Bereich hineinreicht, daß bei den erzeugten Hackschnitzeln (10') die Länge (l2) des außerhalb des Hackschnitzels (10') liegenden Mittellinienabschnittes (26b) zwischen 40% und 100% der Länge (l1) des Mittellinienabschnittes (26a) innerhalb des Hackschnitzels (10') beträgt.
- Vorrichtung nach Anspruch 18, dadurch gekennzeichnet, daß die Mittel eine Säge umfassen.
- Vorrichtung nach Anspruch 19, dadurch gekennzeichnet, daß die Säge als Kreissäge mit einem Kreissägeblatt (70) ausgebildet ist.
- Vorrichtung nach Anspruch 20, dadurch gekennzeichnet, daß das Kreissägeblatt (70) mindestens 5 mm, vorzugsweise mindestens 6 mm dick ist.
- Vorrichtung nach einem oder mehreren der Ansprüche 19 bis 21, dadurch gekennzeichnet, daß zwischen Säge und Zerspanerwerkzeug ein mit der Säge fluchtender Spaltkeil (78) vorgesehen ist.
- Vorrichtung zum Profilieren eines Baumstammes (30) mit:a) Mitteln zum Führen eines Sägeschnittes entlang des Baumstammes (30);b) einem mit seinem Flugkreisradius (r) bis in den vom Sägeschnitt erzeugten Spalt (76) hinein reichenden und darin leer laufenden Spanerwerkzeug (44 - 52) zum Ausspanen von längs verlaufenden, eine erste (40) und eine zweite (38) Randfläche aufweisenden Ecken (34) aus dem Baumstamm (30), wobei sich die zweite Randfläche (38) entlang des Sägeschnittes erstreckt, bei welchem Ausspanen Hackschnitzel (10; 10') erzeugt werden, die eine erste, konkave Oberfläche (12) und eine zweite, konvexe Oberfläche (14) aufweisen, die zwischen sich den im wesentlichen keilförmigen Hackschnitzel (10; 10') begrenzen, wobei ferner die Oberflächen (12, 14) in einer gedachten Spitze (16) außerhalb des Hackschnitzels (10; 10') zusammenlaufen, und die Spitze (16) auf einer zwischen den Oberflächen (12, 14) verlaufenden Mittellinie (26) um einen Mittellinienabschnitt (26b) außerhalb des Hackschnitzels (10; 10') liegt;b) Mitteln zum Absägen von Seitenbrettern (36) vom Baumstamm (30), deren eine Schmalseite von der ersten Randfläche (40) gebildet wird,
- Verwendung der Vorrichtung nach einem oder mehreren der Ansprüche 18 bis 22 zum Ausspanen von Ecken (34) beim Profilieren von Baumstämmen (30).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19829112A DE19829112C1 (de) | 1998-06-30 | 1998-06-30 | Hackschnitzel, Verfahren und Vorrichtung zum Erzeugen eines Hackschnitzels sowie zum Profilieren eines Baumstammes und deren Verwendungen |
DE19829112 | 1998-06-30 | ||
PCT/EP1999/004230 WO2000000331A1 (de) | 1998-06-30 | 1999-06-18 | Hackschnitzel, verfahren und vorrichtung zum erzeugen eines hackschnitzels sowie zum profilieren eines baumstammes und deren verwendungen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1091836A1 EP1091836A1 (de) | 2001-04-18 |
EP1091836B1 true EP1091836B1 (de) | 2002-03-20 |
Family
ID=7872474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99929270A Expired - Lifetime EP1091836B1 (de) | 1998-06-30 | 1999-06-18 | Hackschnitzel, verfahren und vorrichtung zum erzeugen eines hackschnitzels sowie zum profilieren eines baumstammes und deren verwendungen |
Country Status (8)
Country | Link |
---|---|
US (1) | US6543497B2 (de) |
EP (1) | EP1091836B1 (de) |
AT (1) | ATE214654T1 (de) |
CA (1) | CA2336337C (de) |
DE (2) | DE19829112C1 (de) |
DK (1) | DK1091836T3 (de) |
ES (1) | ES2177292T3 (de) |
WO (1) | WO2000000331A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2157170B1 (es) * | 1999-10-26 | 2002-02-01 | Tabsal Composites De Madera S | Procedimiento para la produccion de tableros aglomerados de madera. |
DE19960319C1 (de) * | 1999-12-15 | 2001-07-26 | Dietz Hans | Vorrichtung zum Erzeugen eines Hackschnitzels sowie Vorrichtung zum Profilieren eines Baumstammes |
US8225828B2 (en) * | 2006-12-11 | 2012-07-24 | Key Knife, Inc. | Modular conical chipper/canter head and method |
US9604387B2 (en) | 2010-04-22 | 2017-03-28 | Forest Concepts, LLC | Comminution process to produce wood particles of uniform size and shape with disrupted grain structure from veneer |
US8481160B2 (en) | 2010-04-22 | 2013-07-09 | Forest Concepts, LLC | Bimodal and multimodal plant biomass particle mixtures |
US8497019B2 (en) | 2010-04-22 | 2013-07-30 | Forest Concepts, LLC | Engineered plant biomass particles coated with bioactive agents |
US9440237B2 (en) | 2010-04-22 | 2016-09-13 | Forest Concepts, LLC | Corn stover biomass feedstocks with uniform particle size distribution profiles at retained field moisture contents |
US8034449B1 (en) | 2010-04-22 | 2011-10-11 | Forest Concepts, LLC | Engineered plant biomass feedstock particles |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2918622C2 (de) * | 1979-05-09 | 1981-11-19 | Gebrüder Linck Maschinenfabrik und Eisengießerei Gatterlinck, 7602 Oberkirch | Verfahren und Vorrichtung zur spanenden Zerlegung von Baumstämmen in allseitig bearbeitete Holzerzeugnisse |
DE2928949C2 (de) * | 1979-07-18 | 1981-10-01 | Gebrüder Linck Maschinenfabrik und Eisengießerei Gatterlinck, 7602 Oberkirch | Verfahren und Vorrichtung zur spanenden Zerlegung von Baumstämmen in allseitig bearbeitete Holzerzeugnisse |
DE8701500U1 (de) * | 1986-02-27 | 1987-08-27 | Gebrüder Linck Maschinenfabrik "Gatterlinck" GmbH & Co KG, 77704 Oberkirch | Vorrichtung zur spanenden Zerlegung von Baumstämmen in allseitig bearbeitete Holzerzeugnisse mittels Profilzerspanung |
DE3702890A1 (de) * | 1986-02-27 | 1987-09-03 | Linck Masch Gatterlinck | Verfahren und vorrichtung zur spanenden zerlegung von baumstaemmen in allseitig bearbeitete holzerzeugnisse mittels profilzerspanung |
DE19504030C1 (de) * | 1995-02-08 | 1996-07-04 | Dietz Hans Prof Dr | Verfahren und Vorrichtung zum Herstellen von Strands |
SE510101C2 (sv) * | 1995-10-24 | 1999-04-19 | Soederhamns Verkstaeder Ab | Förfarande och anläggning för delning av stockar i smärre virkesstycken |
FI99096C (fi) * | 1995-11-24 | 1997-10-10 | Kauko Rautio | Menetelmä puunrungon käsittelemiseksi lastuamalla |
SE514304C2 (sv) * | 1997-10-10 | 2001-02-05 | Ari Ab | Anordning och förfarande för bearbetning av en timmerstock |
US6267164B1 (en) * | 1998-10-27 | 2001-07-31 | Key Knife, Inc. | Chip and method for the production of wood pulp |
-
1998
- 1998-06-30 DE DE19829112A patent/DE19829112C1/de not_active Expired - Fee Related
-
1999
- 1999-06-18 DE DE59901021T patent/DE59901021D1/de not_active Expired - Lifetime
- 1999-06-18 EP EP99929270A patent/EP1091836B1/de not_active Expired - Lifetime
- 1999-06-18 CA CA002336337A patent/CA2336337C/en not_active Expired - Fee Related
- 1999-06-18 ES ES99929270T patent/ES2177292T3/es not_active Expired - Lifetime
- 1999-06-18 AT AT99929270T patent/ATE214654T1/de active
- 1999-06-18 WO PCT/EP1999/004230 patent/WO2000000331A1/de active IP Right Grant
- 1999-06-18 DK DK99929270T patent/DK1091836T3/da active
-
2000
- 2000-12-29 US US09/751,043 patent/US6543497B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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EP1091836A1 (de) | 2001-04-18 |
CA2336337C (en) | 2005-08-09 |
CA2336337A1 (en) | 2000-01-06 |
DK1091836T3 (da) | 2002-05-27 |
DE59901021D1 (de) | 2002-04-25 |
DE19829112C1 (de) | 2000-03-30 |
ATE214654T1 (de) | 2002-04-15 |
WO2000000331A1 (de) | 2000-01-06 |
ES2177292T3 (es) | 2002-12-01 |
US20010017171A1 (en) | 2001-08-30 |
US6543497B2 (en) | 2003-04-08 |
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