EP0912305A1 - Procede et installation d'obtention de merrains - Google Patents
Procede et installation d'obtention de merrainsInfo
- Publication number
- EP0912305A1 EP0912305A1 EP97928384A EP97928384A EP0912305A1 EP 0912305 A1 EP0912305 A1 EP 0912305A1 EP 97928384 A EP97928384 A EP 97928384A EP 97928384 A EP97928384 A EP 97928384A EP 0912305 A1 EP0912305 A1 EP 0912305A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- log
- wood
- cutting
- medullary
- face
- 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.)
- Granted
Links
- 239000002023 wood Substances 0.000 title claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 43
- 238000009434 installation Methods 0.000 title claims description 30
- 238000005520 cutting process Methods 0.000 claims abstract description 60
- 230000007547 defect Effects 0.000 claims description 28
- 210000000078 claw Anatomy 0.000 claims description 19
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- 239000007788 liquid Substances 0.000 description 6
- 238000005457 optimization Methods 0.000 description 4
- 241000219492 Quercus Species 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
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- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
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- 239000011707 mineral Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000001034 Frostbite Diseases 0.000 description 1
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- 235000013311 vegetables Nutrition 0.000 description 1
- 235000014101 wine Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27H—BENDING WOOD OR SIMILAR MATERIAL; COOPERAGE; MAKING WHEELS FROM WOOD OR SIMILAR MATERIAL
- B27H3/00—Manufacture of constructional elements of tubes, coops, or barrels
- B27H3/02—Manufacture of barrel staves
-
- 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
- B27B1/007—Methods for subdividing trunks or logs essentially involving sawing taking into account geometric properties of the trunks or logs to be sawn, e.g. curvature
-
- 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
- B27L7/00—Arrangements for splitting wood
Definitions
- the invention relates to a process for obtaining staves, as well as an installation for implementing this process.
- the staves are pieces of wood used in the field of cooperage, for obtaining staves.
- Barrels made with staves are intended to contain high-value liquids such as wines and spirits.
- stave wood is selected from noble species such as oak.
- a stave must have many other qualities, which distinguish it, for example, from a stave board used in lightning.
- each stave must intrinsically constitute a tight barrier to prevent leakage of liquid from the barrel. This barrier must however allow foreign trade.
- heartwood or good wood is used in the manufacture of staves. And that excluding the heart, the sapwood and the bark. While this heartwood must be free of frostbite, chaps, knots and other defects that may cause leaks.
- any clogging of stave is excluded so as not to alter the taste of the liquid on contact with a putty.
- the seal is obtained by cutting the staves along the medullary rays of the log.
- the boards are cut in a conventional manner parallel to a diametral board.
- the staves must have mechanical qualities superior to the boards in particular.
- the document FR-A-637.045 describes a process in which logs are cut into planks along mean and radial planes of the initial plank.
- the document FR-A-1.130.265 describes a wood claw, the control of which includes a rotating nut.
- the document FR-A-1,394,860 describes a device which is mobile in translation and which allows the positioning of a ball or of a log gripped at its ends, in an appropriate manner with respect to cutting means.
- Document WO-A-89 / 047.47 relates to the cutting, drying and optimization of boards.
- Document OA-92 / 16.339 describes a sawing process making it possible to obtain a high rate of vertical grain pieces, from a log.
- the document FR-A-2,716,831 describes the optimization on a half-log, of the production efficiency of staves.
- An acquisition aims to make a realistic image of the result, an optimization is based on a laser projection system, while a visualization and a validation allow a tracing chosen between two sawing solutions.
- the known techniques do not allow the simultaneous orientation with respect to the cutting axis, of the medullary radii at the two ends of the log, of the substantially longitudinal thread of the wood on its external envelope and of possible defects.
- the purpose of the present invention is to allow the obtaining of staves with optimized yield, productivity and reliability.
- the invention aims to minimize the losses of wood resulting from the dressing of the split surfaces, as according to the known technique.
- a first object of the invention is a process for obtaining staves.
- This method comprises the steps providing for: cutting a log into at least one log, transversely to a longitudinal direction, so that it has in this direction, a dimension substantially equal to or multiple of that of a stave provided; placing the log according to an initial location with respect to a reference point, with a first longitudinal end face under cover of a display system, while the opposite face of the log is under cover of another display system;
- At least one locating surface for example two substantially parallel light planes, transversely distant by a distance substantially equal to the thickness of the stave provided; - Place the locating surface substantially on the log with the medial rays and the wire;
- a step subsequent to the flow of the log plans to rid the log of its bark and / or its sapwood.
- a representation such as image on one of the display systems is reversed to that of the other, in the manner of a mirror and / or each system diffuses the representation in substantially the same directions and directions than the other, for example to an operator's station.
- the initial location of the log in a reference is a rigid holding position for example using claws and / or is adjustable in the longitudinal direction and / or at least a transverse direction in particular in rotation and / or in translation using a loader with grippers such as a compass.
- At least one display system provides for the production of representations as a function of internal non-destructive readings of the log, such as emission of waves or particles.
- at least one step provides for the representation of one or more locating surfaces by a display system, for example fused with and proportional to a representation by this system of at least one median radius, wire or the like.
- the location and / or the coincidence of at least one medullary radius and / or of the wire is carried out as a function of a representation by at least one display system, for example by research on a representation an optimal layout of the locating surface in relation to the medullary rays and / or over the ridge.
- the coincidence provides for at least one displacement of the log relative to its initial location, for example with a point of the log fixed in the reference frame, such as a pivot with an end face.
- a step of measuring this spin is provided, successively by:
- the measurement step provides, prior to the extension of the medullary radius, a transverse correction to one face, of the relative position of this radius and of a locating surface, for example up to centering of the stave planned.
- the measurement step is followed by a step of transverse correction to one face, of the relative position of this radius and of the locating surface, for example of a value of the odor of the arc valued.
- the measurement step is, for example following a transverse correction, followed by a step of seeking placement opposite a sawing trajectory, by synchronized movement of the two opposite faces of the log.
- a splitting blade for example that of a cleaning of bark or sapwood.
- a log with defects inside the heartwood it is provided for its separation into the largest portions by eliminating the main defects, and possibly the defects are purged in the portions by local splitting with the blade.
- a step then provides for the cutting of each half-log or portion of a log so as to obtain pieces of wood the thickness of which is of the order of that or a multiple of that of the stave provided for cutting. later substantially parallel to their edges.
- This process notably makes it possible to obtain staves of a given thickness, by cutting a log of wood, in particular oak, by carrying out at least one of the following steps:
- the scrap represents a limited volume of the log, and in particular of the heartwood, so that the yield with respect to the wood used is optimized.
- a second object of the invention is an installation for implementing the method mentioned above.
- the installation comprises at least one splitting station with a tool with an asymmetrical dovetail blade transversely, for example the tool has its blade curved towards the outside on its side intended to be against the sapwood and / or the bark, while its other side is concave, in order to exert an asymmetrical pressure longitudinally in the log mainly towards the outside.
- the installation comprises means for receiving logs or portions of balance sheets with a positioning system which includes:
- a manual and / or automatic control for example connected and able to control at least one component of the reception and orientation means.
- this installation comprises for example:
- Means for receiving and orienting the portions of the log for example two clamps such as a compass, each of which is movable in at least one longitudinal and / or transverse direction.
- the installation comprises at least one locating device capable of generating at least one visible locating surface, possibly deformable.
- this device comprises at least one laser beam source such as a tube or a diode, mounted on a deformable template for remote guidance so as to project onto a log or a portion of the log the locating surface defined by deformation of the template, depending on its structure.
- a laser beam source such as a tube or a diode
- the installation comprises at least one sawing carriage provided with independent claws, and with a system for controlling these claws as well as the advance of the carriage, capable of following a curved path for example.
- the gripping means comprise serrated, vertical, symmetrical and opposite knives and means for clamping these knives at controlled pressure so as to avoid any splitting by wedge effect.
- the installation comprises means for receiving and guiding logs or portions of logs, with angular guides corresponding respectively to a section of portion of log, such as eighth, sixteenth and thirty-second of log, at least one angular guide being movable, for example independently, vertically in similar pairs, and so as to be retracted, in particular under the effect of an automatic positioning control.
- These tracking means comprise a video assembly assisted by computer and / or assisted by a light beam.
- This set includes one or more cameras of the linear or matrix type and one or more computer or video screens.
- Figure 1 is a schematic cross-sectional view of a log, which illustrates its various components.
- Figure 2 is a schematic cross-sectional view of a log with an eccentric core and with curved medullary rays.
- FIGS. 3 to 5 are schematic cross-section views of a log cut by splitting, with correct positioning of light planes in FIG. 4, and incorrect in FIGS. 3 and 5.
- Figures 6 to 8 are cross-sectional views of examples of twisted stave, on each of which is indicated by an arrow, the center to be provided for the stave, as well as by three sectors of straight lines the wire, the optimal position of the plane light and its initial position, respectively for each example.
- FIGS. 9 to 11 are schematic perspective views of ridges cut by splitting, respectively with an internal, external and without twist, illustrating orientation steps.
- FIG. 12 is a cross-sectional view from the outside, of a longitudinal end of the log of FIG. 11.
- FIG. 13 is a perspective view from a longitudinal end of a log cut by splitting with a twist, which illustrates a search step by correcting an optimal position of a stave.
- FIGS. 14 and 15 are partial elevation views of a transversely asymmetrical dovetail blade splitting tool, in order to urge the sapwood and the bark outward during splitting.
- Figures 16 to 18 are schematic cutaway and perspective views, corresponding to steps of positioning a light plane relative to a twisted log.
- Figure 19 includes five schematic views A, B, C, D and E each illustrating the longitudinal projection at one end of a log of a median radius of the other end, along a different spin, respectively.
- FIG. 20 is a cutaway and perspective view of a volume of the log whose tendril corresponds to the case of FIG. 19 C.
- FIG. 21 is a cutaway and perspective view of a volume of the log, the tendril of which corresponds to the symmetrical cases of FIGS. 19 A and E.
- FIG. 22 is a cutaway and perspective view of a volume of the log, the spin of which corresponds to the symmetrical cases of FIGS. 19 B and D.
- Figure 23 is a schematic perspective view of a split and twisted log, the wire and medullary rays of the outer surface have been made visible.
- Figures 24 to 29 are schematic perspective views of cross sections at different locations in length, and longitudinal for the figure 28, in a stave obtained from the log of Figure 23.
- Figures 30 and 31 are schematic perspective views of staves having the required qualities including sealing, and obtained in accordance with one invention.
- FIG. 32 is a schematic plan view of an installation for producing staves from logs, according to an embodiment of the invention.
- FIG. 33 is a schematic plan view of a detail of a claw cart for a stave production installation, in accordance with an embodiment of the invention.
- Figure 34 is a schematic perspective view of a detail of log loader of a stave production installation, according to an embodiment of the invention.
- FIG. 35 is a schematic view of a control according to the invention, for a charger such as that of FIG. 34.
- FIG. 36 is a partial perspective view of an installation in accordance with the invention, with a plate or dec conveyor belt for feeding logs, a loader similar to that of FIG. 24, of claws of the carriage, from a conveyor belt to a sawmill
- Figure 37 is a schematic plan view from above of a deformable template for materializing the passage of saw cuts, according to the invention.
- FIG. 38 is a plan view from above illustrating a template rule and a sawing axis, for guiding the movement of a log to be sawed.
- FIG. 39 is a diagrammatic elevation view of a box with a light device such as a laser, of light beams and of a ridge.
- Figure 40 is a schematic elevational view of a detail of the template of Figure 37, with a movable finger, a feeler, a ruler, a sliding block, a transverse axis of support of the block and light diodes.
- FIG. 41 is a schematic plan view from above of a detail in FIG. 40.
- FIGS. 42 to 46 are examples of optimization according to the invention, on cross-sections of ridges, the cut-outs with a splitter being represented in broken lines, the saw cuts in a full inner line, respectively for two ridges without a twist, for a fully twisted log, for a partially twisted log, and a log whose core is unusable.
- FIG. 47 is a schematic elevation view of means for receiving and guiding logs and portions of logs.
- reference 1 designates a log
- reference 1 also designates here a log cut longitudinally from a log, or a split log sector.
- the log 1 includes a bark 2, a phloem 3, a cambium 4, a sapwood 5, a heart 6, dark circles 7, a marrow 8 and spinal rays 9.
- the heartwood or good wood is designated in 10.
- a longitudinal direction X corresponds to the main direction of growth of the tree which gave the log 1.
- transverse refers to a location perpendicular to the longitudinal direction X.
- This method first comprises the step of cutting a log 1 into at least one log.
- the dimension can also correspond to a multiple of that of the staves provided. According to a step subsequent to the flow of the log 1, provision is made to rid the log of its bark 2 and its sapwood 5.
- the ridge 1 is arranged in an initial location relative to a predetermined reference.
- a first face 12 of longitudinal end is opposite a display system 13, visible in FIG. 16.
- At least one medullary radius 9 is identified on each face 12, 14.
- a wire 16 of the ridge 1, substantially connecting the spokes 9 identified, is also raised on its external longitudinal envelope.
- This single plane is a median plane between the two locating planes, as is clear from FIG. 18.
- planes 17 are substantially parallel, for example luminous, and transversely distant by a distance substantially equal to the thickness "e" (FIG. 43) of the stave provided 11.
- a visible marking surface 17 is deformable.
- the source 27 comprises at least one laser beam generator such as a tube or diode, mounted on a template 28. This template guides and supports the source 27.
- the template is associated by serving as a remote guide for the sawing pipe.
- laser-type light diodes with a narrow opening angle are positioned here.
- a step provides for substantially coinciding on the log 1, each of the plans or locating surface 17, for example on one side of the medial rays 9 and of the wire 16, with respect to the other plane 17.
- each locating plane 17 for example two parallel sawing paths.
- each system 13, 15 is oriented substantially in the same direction and direction as the other, towards the station 20 of an operator.
- the initial location of the log 1 in the reference frame is a rigid holding position, for example using claws 21 as illustrated in FIGS. 33 and 36.
- the location is also adjustable along the longitudinal direction X and two transverse directions.
- At least one display system provides for the production of representations in function of non-destructive readings of the log 1, such as emission of waves or particles.
- At least one step provides for the representation of one or more locating planes 17 by a display system, for example relatively notably proportional to a representation by this system of at least one median radius and / or of the wire.
- the location and / or the coincidence of at least one medullary radius and / or of the wire is carried out according to a representation by at least one display system, for example by research on a representation of an optimal arrangement. location plans in relation to the medullary rays and / or over the ridge.
- the coincidence provides at least one displacement of the log 1 relative to its initial location, for example with a point of the fixed log in the coordinate system, such as a point on an end face.
- the measurement step provides, prior to the extension of the medullary ray, a transverse correction to one face, of the relative position of this ray and of the locating planes, for example until the center of the stave 11 planned.
- the measurement step is followed by a step of transverse correction on one face, of the relative position of this radius and of the locating planes, for example of a value of the order of l estimated arc.
- This alignment was carried out in a similar way at the two ends of the log thanks to two cameras and two similar screens.
- a step then provides for the cutting of each half-log or portion of a log so as to obtain pieces of wood the thickness of which is of the order of that or a multiple of that of the stave provided for cutting. later substantially parallel to their edges.
- This process notably makes it possible to obtain staves of a given thickness, by cutting a log of wood, in particular oak, by carrying out at least one of the following steps:
- the scrap represents a limited volume of the log, and in particular of the heartwood, so that the yield with respect to the wood used is optimized.
- the measurement of the spin involves considering one of the wood threads on the top of the log.
- the stave is then positioned so as to make the end of the wire opposite the operator coincide with the upper end of the target radius.
- the spacing obtained at the front of the log between the wire in question and the upper end of the target radius corresponds to the measurement of the spin.
- a wire correction must be made by moving one end of the log to a value equal to a fraction of the V dimension.
- the laser axis has been aligned parallel to the axis, along which the cutting will take place.
- the medullary rays are aligned at the two ends of the log, by the displacement in the direction X in FIG. 9, of the ends of the log.
- the fibers only deform from the heart, the middle, or even a third of the radius two quarters.
- the external appearance of the unsplit log does not allow the presence of a spin to be determined. Only the search for the best arrangement of the rays to the cameras can determine it.
- a wire correction must be made by moving one end of the log to a value equal to a fraction of the V dimension.
- the wood grain is aligned by the displacements, then the medullary rays are aligned at the two ends of the log by the displacement.
- the installation 24 includes at least one splitting station 26 with a tool 25 with a transverse asymmetrical dovetail blade.
- the tool 25 has its blade curved outwards on its side intended to be against the sapwood and / or the bark, while its other side is concave.
- the sawing tools 50 such as that visible in FIG. 36, here is a double-edged blade.
- Several tools 50, single or double-edged, can be provided at different locations in the installation 24.
- the installation comprises, in FIG. 36, means for receiving logs or portions of logs 1, with a positioning system 34 which includes:
- Means allow the reception and orientation of the log portions, for example two clamps 23 such as a compass, each of which can be moved in at least one longitudinal and / or transverse direction.
- the pliers are movable in rotation about a horizontal axis, perpendicular to the direction X between the pliers 23.
- the installation 24 furthermore a locating device 38 capable of generating at least one visible, deformable locating surface.
- the device 38 includes at least one laser beam source 27 such as a tube or diode, mounted on a deformable template 28 for remote guidance so as to project onto a log or a portion of the log the locating surface defined by deformation of the template, depending on its structure.
- a laser beam source 27 such as a tube or diode
- a saw carriage 40 is illustrated in the figure
- Gripping means include serrated, vertical, symmetrical and opposite knives and means for clamping these knives at a controlled pressure so as to avoid splitting by wedge effect.
- FIG. 47 shows means 41 for receiving and guiding logs or portions of logs 1.
- These means 41 have angular guides 42, 43, 44 corresponding respectively to a section of the log portion, such as eighth, sixteenth and thirty-second of the log.
- These guides 42 to 44 are movable, independently, vertically in similar pairs, and so as to be retracted, in particular under the effect of an automatic positioning control 39.
- the tracking means comprise a computer-assisted video assembly and / or assisted by a light beam.
- This set includes one or more cameras here systems 13 and 15 of linear or matrix type and one or more computer or video screens, on such a screen, one can simultaneously view the medullary rays at both ends of the log, the grain of wood on the external face and possible faults.
- This installation 24 comprises means of simultaneous location, at a distance for the medullary rays at its two ends; remotely or nearby for the wood grain on the external face and possible faults.
- the means for receiving and orienting the portions of the log are two pliers such as a compass, each of which is displaceable in at least one longitudinal and / or transverse direction.
- the installation 24 includes among others:
- a laser system such as the interception of the light plane of the laser and the log to be treated materializes the exact passage of the saw cuts both at the ends of the log to position the medullary rays and on top of the log to position the grain of the wood;
- a camera with a controlled lens and preferably with an inverted image giving the vision of the end of the log opposite the operator and showing the latter the interception of the laser light planes and of the log. This makes it possible to position the log according to the medullary radii;
- the installation illustrated in FIG. 32 schematically comprises a carriage.
- the latter comprises a chassis 45, movable in translation by means of wheels 46, guided by rails 47.
- Grasping means or claws of a log comprise serrated, vertical, symmetrical and opposite knives movable perpendicular to the longitudinal axis of the frame 45 coinciding with the direction X, and mounted on two bases 48 which are themselves movable in translation relative to to a slide 49, along the axis of movement of the chassis.
- This slide comprises, at its two ends, two pads designed to move on two transverse slides integral with the chassis.
- a displacement means for example a chain and pinion device (not shown), ensures the displacement of the slide-shoe assembly relative to the transverse slides.
- the device further comprises means for receiving and guiding the logs with angular guides corresponding to the sections of the different portions of the log obtained, including quarter, eighth, sixteenth, and thirty-second logs.
- angular guides move independently and in similar pairs along a vertical axis; they are retractable and automatically position the log portions.
- means are provided for simultaneous identification: medullary rays at its two ends, wood grain on the external face and possible defects.
- the area of retractable angular positioning of the ridges, of video playback of the medullary rays at the two ends of the ridges and of video playback (or of reading assisted by a light beam) of the wood grain is shown in dashed lines under the reference. the external side possibly debarked and / or cleared of the sapwood.
- the cutting means preferably comprise a band saw blade or two blades with variable spacing as a function of the thickness "e" of the board to be obtained, or better still, a series of devices with one or two blades, each specialized in a separate operation from the process.
- a lubricant of mineral origin such as diesel
- a food grade lubricant such as water or certain oils of vegetable or mineral origin, or another emulsion in water of these oils.
- the staves obtained do not have any detrimental effect on the taste qualities of the barrel liquids produced from such staves.
- Figures 37 to 41 illustrate a deformable template associated with a light plane which is also deformable.
- a flexible and flat ruler positioned for example on edge in the longitudinal axis, guided in the vertical plane at its ends, provided with a tensioning or compression device at the operator's request;
- a movable finger sliding longitudinally on the edge of this rule, in the horizontal plane in two directions simultaneously or not and at the request of the operator; the three controls allowing the steel rule to be bent in a manner similar to the curvature of the wood grain of a log placed exactly vertically; along this rule are positioned laser type light diodes with a narrow aperture angle, so as to project the exact shape of the rule on a ridge of the box by remote light segment.
- these light beams will be doubled on either side of the rule, distant by a given thickness e for a part like a duplicate, or twice the thickness of a stave.
- the spacing of the two beams is equidistant from the face of the ruler serving as a template.
- the diodes project a precise luminous plane
- the blocks will proceed essentially from two functions: maintaining the diodes in a perfect vertical axis, and moving the diodes parallel to the position of the rule at the block.
- these diodes will be oriented so as to be able to illuminate the ends of a log;
- a matrix type camera of good definition, with slave lens and preferably with reverse image, connected to a monitor placed in front of the operator.
- This camera giving the vision of the end of the log opposite the operator and showing the latter the interception of the laser light planes and the log, thus allowing the positioning of the latter as a function of the medullary rays.
- This assembly allows the operator to quickly position a log or portion of a log while simultaneously searching, at both ends, for the better orientation according to the medullary rays and on the top the best curve or straight, parallel to the grain of the wood.
- This carriage is in Figure 36 provided with two independent claws.
- claws are equipped with a system allowing to know exactly their abscissa position and ordered in relation to any point of the sawing or loading area.
- the sawing is then assisted by this computer which manages the movements of the claws and the carriage according to the orientation previously defined visually by the operator.
- the claws For curved sawing, the claws must move the log during sawing while exerting a constant clamping pressure.
- This portion is defined with respect to the cutting width and with respect to the path of the blade. It remains to know permanently the spacing of the claws to calculate, by simple trigonometric calculation, the position to be given to the claws.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Scissors And Nippers (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI9730070T SI0912305T1 (en) | 1996-07-02 | 1997-07-02 | Method and installation for cask wood production |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9608440 | 1996-07-02 | ||
FR9608440A FR2750636B1 (fr) | 1996-07-02 | 1996-07-02 | Procede et dispositif d'obtention de merrains par decoupe d'une bille de bois |
PCT/IB1997/000817 WO1998000269A1 (fr) | 1996-07-02 | 1997-07-02 | Procede et installation d'obtention de merrains |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0912305A1 true EP0912305A1 (fr) | 1999-05-06 |
EP0912305B1 EP0912305B1 (fr) | 2000-04-19 |
Family
ID=9493779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97928384A Expired - Lifetime EP0912305B1 (fr) | 1996-07-02 | 1997-07-02 | Procede et installation d'obtention de merrains |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0912305B1 (fr) |
AT (1) | ATE191875T1 (fr) |
AU (1) | AU3270197A (fr) |
DE (1) | DE69701737T2 (fr) |
ES (1) | ES2148992T3 (fr) |
FR (1) | FR2750636B1 (fr) |
HU (1) | HUP0104741A3 (fr) |
PT (1) | PT912305E (fr) |
WO (1) | WO1998000269A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2828828A1 (fr) * | 2001-08-23 | 2003-02-28 | Service Ingenierie Bois | Procede d'optimisation de sciage de quartiers de bois destines a la fabrication de merrains et installation permettant la mise en oeuvre |
FR2863537A1 (fr) * | 2003-12-10 | 2005-06-17 | Euratec Europ D Assistance Tec | Procede de sciage de merrains |
FR3145109A1 (fr) * | 2023-01-23 | 2024-07-26 | Ateco Bois | Machine de fendage de bois |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2921288A1 (fr) * | 2007-09-21 | 2009-03-27 | Optimique Sarl | Procede et dispositif d'optimisation de tracage pour le debit d'une ebauche en quartiers pour la fabrication de merrains |
FR2933891A1 (fr) * | 2008-07-21 | 2010-01-22 | Critt Bois | Procede de sciage de quartiers de bois destines a la fabrication de merrains |
FR2935922A3 (fr) * | 2008-09-16 | 2010-03-19 | Optimique | Procede et dispositif d'optimisation de debit de merrains. |
EP3342570B1 (fr) | 2016-12-27 | 2020-11-04 | Independent Stave Company, LLC | Machine et procédé semi-automatique pour couper le bois |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR637045A (fr) * | 1926-04-30 | 1928-04-21 | Scie à débiter les bois en grume | |
US2870803A (en) * | 1956-05-29 | 1959-01-27 | Eppler Wood Products Corp | Cooperage bolt sawing machine |
US4221974A (en) * | 1979-02-02 | 1980-09-09 | The Bendix Corporation | Lumber inspection and optimization system |
US4831545A (en) * | 1987-06-26 | 1989-05-16 | Weyerhaeuser Company | Method for determination of pith location relative to lumber surfaces |
SE505056C2 (sv) * | 1991-03-19 | 1997-06-16 | Martin Wiklund | Förfarande för sönderdelning av stockar |
FR2716831B1 (fr) * | 1994-03-03 | 1996-04-19 | Critt Bois | Procédé d'optimisation de fendage du bois. |
-
1996
- 1996-07-02 FR FR9608440A patent/FR2750636B1/fr not_active Expired - Fee Related
-
1997
- 1997-07-02 AT AT97928384T patent/ATE191875T1/de not_active IP Right Cessation
- 1997-07-02 EP EP97928384A patent/EP0912305B1/fr not_active Expired - Lifetime
- 1997-07-02 WO PCT/IB1997/000817 patent/WO1998000269A1/fr active IP Right Grant
- 1997-07-02 AU AU32701/97A patent/AU3270197A/en not_active Abandoned
- 1997-07-02 ES ES97928384T patent/ES2148992T3/es not_active Expired - Lifetime
- 1997-07-02 HU HU0104741A patent/HUP0104741A3/hu unknown
- 1997-07-02 PT PT97928384T patent/PT912305E/pt unknown
- 1997-07-02 DE DE69701737T patent/DE69701737T2/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9800269A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2828828A1 (fr) * | 2001-08-23 | 2003-02-28 | Service Ingenierie Bois | Procede d'optimisation de sciage de quartiers de bois destines a la fabrication de merrains et installation permettant la mise en oeuvre |
FR2863537A1 (fr) * | 2003-12-10 | 2005-06-17 | Euratec Europ D Assistance Tec | Procede de sciage de merrains |
FR3145109A1 (fr) * | 2023-01-23 | 2024-07-26 | Ateco Bois | Machine de fendage de bois |
Also Published As
Publication number | Publication date |
---|---|
EP0912305B1 (fr) | 2000-04-19 |
AU3270197A (en) | 1998-01-21 |
PT912305E (pt) | 2000-10-31 |
HUP0104741A3 (en) | 2002-05-28 |
ATE191875T1 (de) | 2000-05-15 |
HUP0104741A2 (hu) | 2002-04-29 |
WO1998000269A1 (fr) | 1998-01-08 |
DE69701737D1 (de) | 2000-05-25 |
FR2750636A1 (fr) | 1998-01-09 |
FR2750636B1 (fr) | 1998-11-13 |
DE69701737T2 (de) | 2000-11-23 |
ES2148992T3 (es) | 2000-10-16 |
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