WO2004113003A1 - Appareil et methode pour le sciage en courbe d’un plateau - Google Patents
Appareil et methode pour le sciage en courbe d’un plateau Download PDFInfo
- Publication number
- WO2004113003A1 WO2004113003A1 PCT/CA2004/000952 CA2004000952W WO2004113003A1 WO 2004113003 A1 WO2004113003 A1 WO 2004113003A1 CA 2004000952 W CA2004000952 W CA 2004000952W WO 2004113003 A1 WO2004113003 A1 WO 2004113003A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- path
- guide
- plate
- drive
- guiding
- Prior art date
Links
Classifications
-
- 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
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B25/00—Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees
- B27B25/04—Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees with feed chains or belts
-
- 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
- Y10T83/00—Cutting
- Y10T83/04—Processes
-
- 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
- Y10T83/00—Cutting
- Y10T83/141—With means to monitor and control operation [e.g., self-regulating means]
- Y10T83/148—Including means to correct the sensed operation
- Y10T83/155—Optimizing product from unique workpiece
-
- 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
- Y10T83/00—Cutting
- Y10T83/162—With control means responsive to replaceable or selectable information program
- Y10T83/173—Arithmetically determined program
- Y10T83/175—With condition sensor
- Y10T83/178—Responsive to work
-
- 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
- Y10T83/00—Cutting
- Y10T83/525—Operation controlled by detector means responsive to work
- Y10T83/536—Movement of work controlled
Definitions
- the present invention relates to the wood industry, and more particularly an apparatus and a method for sawing in curve a plate according to the natural curvature thereof.
- the systems known in the art generally use guide elements to guide the plates to cutting tools, where they are sawn into boards.
- spike rollers open and close on the plate, thus destabilizing the plate.
- the spade rollers offer a reduced contact surface with the plate.
- One of the aims of the present invention is to satisfy the problems mentioned above.
- the present invention relates to an apparatus for guiding a plate to cutting tools.
- the apparatus includes evaluation means for evaluating the tray and generating a signal representative of at least one parameter of the tray, a frame, and a platform mounted on the frame and having a support surface for supporting the tray.
- the apparatus also includes a first guide and drive mechanism mounted on the platform for receiving, guiding and driving the tray along a path on the support surface.
- the first mechanism comprises two first guide and drive elements arranged opposite the path.
- the apparatus also includes a second guide and drive mechanism mounted on the platform for guiding and driving the tray from the first mechanism along the path on the support surface to the cutting tools.
- the second mechanism includes two second guide and drive elements arranged opposite the path and being substantially parallel to the path.
- the guiding and driving elements of the mechanisms located on the same side of the path are connected by a pivot axis.
- the device also includes a moving means for moving the guiding and driving elements of the first and second mechanisms parallel and equidistant from the path in response to said signal.
- the platform includes two support plates equidistant from the path.
- the guiding and driving elements of the mechanisms located on the same side of the path are mounted on the corresponding support plate.
- the apparatus further includes two actuators for moving the support plates in response to said control signal transverse to the path.
- Each of the actuators is arranged transversely to the path and comprises a first end fixed to the chassis and a second end fixed to the corresponding support plate.
- each of the guiding and driving elements of the mechanisms comprises a loop belt having an outer surface covered with a carpet of spade chains, and toothed wheels for driving the belt.
- the guide and drive elements of the mechanisms located on the same side of the path have a common toothed wheel which is able to rotate around the pivot axis, the belts of the guide and drive elements of the mechanisms. located on the same side of the path together form a single belt.
- each of the guide and drive elements of the mechanisms comprises a support apron facing the path and located between the toothed wheels to support the belt.
- the displacement means comprises first and second pairs of articulation arms located on either side of the path.
- the arms of each pair are arranged in parallel and the arms of each pair are mounted between the support surface and the corresponding second guide and drive element.
- the displacement means also comprises a mechanical link connecting the first and second pairs of articulation arms to coordinate a movement of the pairs of articulation arms in a parallel and equidistant relation to the path.
- the mechanical connection comprises a means for adjusting the length of the mechanical connection according to the distance between the plates of s' upport.
- the means for adjusting the length of the mechanical link comprises an actuator mounted on the mechanical link between the first and second pairs of articulation arms.
- the first and second guide and drive mechanisms comprise means for exerting pressure on the first and second guide and drive elements on each side of the plate.
- the means for exerting pressure on the first guide and drive elements comprise two actuators being mounted between the first element and the second element on the same side of the path.
- the means for exerting pressure on the second guide and drive elements comprise two actuators being mounted between the support surface and the second corresponding element.
- the means for exerting pressure on the first guide and drive elements comprise two bellows being mounted between the first element and the second element on the same side of the path.
- the means for exerting pressure on the second guide and drive elements comprise two bellows being mounted between the support surface and the corresponding second element.
- the apparatus further comprises two rendering heads mounted on either side of the path.
- the apparatus further comprises a detection means for detecting different positions of the plate in the apparatus, and an activation means for activating the first and second guidance and drive mechanisms as a function of the different positions of the plate.
- the detection means comprises photocells for detecting a movement of the plate when said plate is received by the first guide and drive mechanism.
- the present invention also relates to a method for guiding a plate towards cutting tools, comprising the following steps: a) evaluating the plate and generating a signal representative of at least one parameter of the plate; b) receiving, guiding and driving the plate along a path by a first guiding and driving mechanism, the first mechanism comprising two first guiding and driving elements arranged opposite the path ; c) guiding and driving the plate by a second guide and drive mechanism from the first mechanism along the path to the cutting tools, the second mechanism comprising two second guide and drive elements arranged facing each other.
- the guiding and driving elements of the mechanisms located on the same side of the path being connected by a pivot axis; and d) moving the guiding and driving elements of the first and second mechanisms in a parallel and equidistant manner with respect to the path in response to said signal.
- Figure 1 is a block diagram showing a means of evaluation of the plate in order to generate a debit pattern.
- Figure 2 is a schematic perspective view of a curved sawing apparatus according to a preferred embodiment of the present invention.
- Figure 3 is a detailed schematic top view of a curved sawing apparatus according to the present invention.
- Figure 4 is a schematic side view of a curve sawing apparatus according to the present invention.
- Figure 5 is a schematic top view of a curve sawing apparatus according to the present invention, showing a plate at the entrance of the system.
- Figure 6 is a schematic top view of a curved sawing apparatus according to the present invention, showing a first guide and drive mechanism closed on a plate with a strong curvature.
- Figure 7 is a schematic top view of a curve sawing apparatus according to the present invention, showing the use of bellows to exert pressure on guide and drive mechanisms.
- Figure 8 is a schematic top view of a curved sawing apparatus according to the present invention, showing a stabilizing rail supporting the plate.
- Figure 9 is a schematic top view of a curve sawing apparatus according to the present invention, showing a table inside the guide mechanisms.
- FIG. 10 is a schematic top view of a curve sawing apparatus according to the present invention, showing a part of the plate between the rendering heads.
- Figure 11 is a schematic top view of a curve sawing apparatus according to the present invention, showing part of the table in cutting tools.
- Figure 12 is a schematic top view of a curved sawing apparatus according to the present invention, showing a large plate passing through rendering heads.
- Figure 13 is a schematic top view of a curved sawing apparatus according to the present invention, showing a table having a large curvature passing through guide and drive mechanisms.
- FIGS. 14a and 14b are schematic views from above of a plate which show the straightening effected during sawing by the guides which limit sawing in curves on a plate having too strong a curvature.
- Figures 15a, 15b and 15c are schematic perspective views of trays having different cutting patterns.
- Figure 16 is a schematic top view of a curve sawing apparatus according to the present invention, showing the position of the photocells.
- FIG. 1 to 4 an apparatus for curve sawing according to a preferred embodiment of the present invention is shown.
- This device guides a plate 2 to cutting tools 22, where the plate 2 is sawn into planks according to a debitage pattern previously established.
- the apparatus In order to determine a debit pattern to be used for a given plate 2, the apparatus has an evaluation means for evaluating plate 2 and generating a signal representative of at least one parameter of plate 2 such as scrolling, thickness, length and curvature of the tray.
- the apparatus has a chassis 8 and a platform 42 mounted on the chassis 8 and having a support surface 44 for supporting the plate 2,
- the apparatus also has a first guide and drive mechanism mounted on the platform 42 for receiving, guiding and driving the plate 2 along a path 20 on the support surface 44.
- the first mechanism comprises two first elements 10 , 12 for guiding and driving arranged opposite with respect to the path 20.
- the device also has a second guide and drive mechanism mounted on the platform 42 to guide and drive the plate 2 from the first mechanism along the path 20 on the support surface 44 to the cutting tools 22.
- the second mechanism has two second elements 14, 16 for guiding and driving arranged opposite the path 20 and being substantially parallel to path 20.
- the guiding and driving elements of the mechanisms located on the same side of the path 20, such as the elements 10 and 14 and the elements 12 and 16, are connected by a pivot axis 46.
- the apparatus also includes moving means for moving the guiding and driving elements of the first and second mechanisms parallel and equidistant from path 20 in response to the signal.
- the displacement means comprises first and second pairs of articulation arms 56 located on either side of the path 20.
- the arms 56 of each pair are arranged in parallel and are mounted between the support surface and the second guide and drive element 14, 16 corresponding.
- a mechanical link 86 connects the first and second pairs of articulation arms 56 to coordinate a movement of the pairs of articulation arms 56 in a parallel and equidistant manner with respect to the path 20.
- the means for adjusting the length of the mechanical link 86 comprises a hydraulic actuator 88 or Temposonic mounted on the same mechanical link 86 between the first and second pairs of articulation arms 56.
- each pair of articulation arms 56 forms a parallelogram connected by the self-centering mechanical link 86 which ensures the positioning of the plate that is parallel and centered with respect to the central axis 64 of the apparatus and always centered with respect to points. of pivots 72.
- the plate is well maintained. It does not matter the depth of cut made on the side of the plate by the rendering heads 58 and the surface defects of the plate.
- the system of parallelogram positioning and the pressure exerted on the sides of the plate by the surfaces of the guide mechanism allow always to properly control the position and the stability of the plate in the cutting tools 22.
- the platform 42 comprises a module for positioning the guide and drive mechanisms having two support plates 4, 6 equidistant from the path 20.
- the guide and drive elements of the mechanisms located on the same side of the path 20 are mounted on the corresponding support plate 4, 6.
- the apparatus further includes two actuators 54 for moving the support plates 4, 6 in response to the control signal transversely to the path 20.
- Each of the actuators 54 is disposed transversely to the path 20 and includes a first end fixed to the frame 8 and a second end fixed to the corresponding support plate 4, 6.
- the set of guide mechanisms rests on the support plates 4, 6.
- These plates can be mobile steel plates on which all the components of the plate guide mechanisms are fixed.
- the displacement of these plates 4, 6 makes it possible to: - position the guide elements 14, 16 for sawing in curves along the width of the plate to be guided; reduce the stroke of the arms 56 which form the 'parallelogram and self-centering positioning system of the second guide mechanism for curve sawing in order to minimize the distance between the serrated wheels 50 of corresponding plates 4, 6 and squaring heads
- each of the guiding and driving elements of the mechanisms comprises a loop belt 48 having an outer surface covered with a carpet of spade chains, and toothed wheels 50 for driving the belt 48.
- the guide and drive elements of the mechanisms located on the same side of the path have a common toothed wheel 50 which is capable of turning around the pivot axis 46.
- the belts 48 of the guide and drive mechanisms located on the same side of the path 20 together form a single belt 48.
- each of the guiding and driving elements of the mechanisms comprises a support apron 52 facing the path 20 and situated between the toothed wheels 50 to support the belt 48.
- the pressure of the belts 48 on the plate 2 is ensured by a pneumatic system.
- the first and second guide and drive mechanisms comprise means for exerting pressure on the first and second guide and drive elements on each side of the plate.
- the means for exerting pressure on the first guide and drive elements comprise two actuators 96 being mounted between the first element 10 or 12 and the second element 14 or 16 on the same side of the path.
- the means for exerting pressure on the second guide and drive elements comprise two actuators 78 being mounted between the support surface and the corresponding second element 14 or 16.
- the apparatus further comprises two rendering heads 58 mounted on either side of the path 20 to square the plate 2 before the latter reaches the cutting tools 22.
- the first guide mechanism 10, 12 ensures reception, guiding and driving of the plate 2 through a first zone where the plate 2 is guided at the entrance of the second guide mechanism. It is in this first zone that the first guide mechanism limits the curvature of the sawn timber produced.
- the guide elements 10, 12, the pivot axis 46 and a pneumatic mechanism position the plate 2 at the entrance of the second guide mechanism according to the shape and the size of the plate.
- the second guide mechanism 14, 16 ensures centering and debitage along the curve of the plate 2 in the cutting tools 22 through a second zone using the displacement means mentioned above.
- the position of the guide elements can vary for each plate and according to the movement of the plate.
- the position of the guide elements is controlled using data supplied by a pattern optimization software for cutting the platter. Cylinders controlled by an automaton can modify the position of the guide elements by moving the mobile support plates 4, 6.
- the central axis 34 of the plate following the natural curvature of the plate is displaced relative to the central axis 64 of the device when the support plates 4, 6 are moved.
- the pressure exerted on the plate 2 inside the two zones by the guide mechanisms is independent.
- the plate is always held between the belts 48.
- the second guide mechanism is positioned automatically and the plate 2 is always stable.
- the length of the plate 2 has no influence on the stability of the positioning. For example, it is possible to transform chainrings four feet and more in length and it is possible to use only one traction system per chain. The position of the curvature of the plate 2 does not matter.
- the first guide mechanism 10, 12 at the inlet is open and the second guide mechanism 14, 16 for curve sawing is in the closed position.
- the first mechanism 10, 12 opens to allow the tray to enter and after a certain delay, the actuators 96 exert pressure on the first guide mechanism 10, 12 to close it on the tray and make gradually open the second guide mechanism 14, 16 (see Figure 6) for curve sawing and drive the table into the second guide mechanism 14, 16. At this time, the pressure of the second guide mechanism 14, 16 is released .
- FIG. 7 shows the use of bellows 24 to exert pressure on guide and drive mechanisms instead of the use of actuators 78, 96.
- Figure 8 shows a stabilizer bar 32 supporting the plate.
- Figure 9 shows the plate 2 inside the guide mechanisms.
- FIG. 10 shows part of the plate 2 between the rendering heads 58.
- FIG. 11 shows part of the plate 2 in cutting tools 22.
- Figure 12 shows a large plate 2 passing through the rendering heads 58.
- the plates 4, 6 are moved to allow the guide mechanisms to receive the large plate.
- the guide mechanisms are closed on the tray.
- the pressure of the first guide mechanism 10, 12 is reduced so that the second guide mechanism 14, 16 for curve sawing guides the plate along the natural curvature of the plate.
- the air volume of the actuators 96 of the first guide mechanism 10, 12 is fixed.
- the guide elements 10, 12 have the function of limiting the curvature of the sawn timber produced from the plates whose deflection is too large.
- the limit of curved sawing for the plates whose curvature is too strong is carried out as follows: when a plate has a too strong curvature, as the plate advances in the first guide mechanism 10, 12 the concave side of the plate exerts pressure on element 12 of the first guide mechanism located on the concave side of the plate.
- each actuator 96 of the first mechanism 10, 12 does not vary and that the concave side of the curvature of the plate seeks to open the first guide mechanism 10, 12 more on the concave side than convex, the pressure increases on the concave side.
- the first mechanism 10, 12 no longer exerts the same pressure on each side of the plate.
- the pressure differential will open the second guide mechanism 14, 16.
- the plate is no longer guided by the elements of the second mechanism 14, 16 but by the element 12 located on the concave side of the plate and by the element 14 located on the convex side of the plate 2.
- the central axis 34 of the plate is no longer positioned parallel to the guide elements 14, 16.
- the central axis 64 of the sawing device diverges from the central axis 34 of the plate. While the guide element 12 is in contact with the side of the plate, the element 10 does not exert pressure on the side.
- the pressure is then released on the first guide mechanism 10, 12 at the inlet to receive the next tray.
- the length of the contact surface of the second guide mechanism 14, 16 for curved sawing with the plate makes it possible to control the radius of curvature of the sawn timber produced for curved sawing according to the natural curve of the plate, to eliminate the effect negative surface imperfections on the side of the tray on, positioning and stabilizing the tray in the cutting tools.
- the guide mechanisms hold the square as close as possible to the rendering heads 58 in order to maximize the positioning of the plate, to stabilize it in the cutting tools and to eliminate lateral movement of the plate when the plate enters the rendering heads 58 .
- FIGS. 14a and 14b show the straightening achieved during sawing by the guide elements limiting sawing in curves on a plate having too strong a curvature (FIG. 14b).
- Figure 14a shows the central axis 34 of the plate.
- Shafts 66 • Function: o support and allow the movement of the support plates 4, 6.
- Pivot shafts 76 • Function: o ensuring the link between articulation arms 56 and pneumatic actuators 78.
- Pneumatic actuators 78
- Serrated wheels 60 • Function: o drive the belts 48.
- Pivot shafts 84 serve as a pivot point for the first guide mechanism 10
- Mechanical link 86 Mechanical link between the guide elements 14, 16 (Auto centering system).
- the second guide mechanism 14, 16 reacts by opening according to the pressure exerted by the element 10 or 12; o exert the guide pressure on the plate in the first guide mechanism 10, 12 when sawing in a curve following the natural curve of the plate by the guide elements 14, 16; and o act as a shock absorber by maintaining pressure on the surfaces of the plate to eliminate vibrations caused by surface imperfections.
- Pivot shafts 94 • Function: o make the link between the guide elements 14, 16 and the pneumatic actuators 96; and o ensuring the link between the guide elements 10, 12 and the pneumatic actuators 96.
- the apparatus in order to determine a debitage pattern to be used for a given platter, the apparatus has an evaluation means for evaluating the platter and generating a signal 122 representative of at least a parameter of the plate such as the scrolling, the thickness, the length and the curvature of the plate.
- this means of evaluation is an optimization software 120 which determines the choice of the debitage pattern following the analysis of the shape of the plate.
- the optimization software thus determines the debit pattern using laser cameras which are used to take readings on the plate in order to reproduce the three-dimensional geometric shape of the plate.
- the platform profile then being defined, the optimizer generates the optimal debitage solution according to the representative parameter (s).
- optimization software from Autolog® and Optisim Consultants® companies or any other optimization software can be used for this purpose.
- the optimization software evaluates each plate according to certain characteristics and sawn timber to be produced according to the dimensions of the plate, the loose rules and the value of the plate in order to choose the best cutting pattern based on the maximum value of products and the volume of sawn produced.
- FIG. 15a shows a cutting pattern 110 which is positioned centered on the central axis 34 of the plate 2 and the diameter 40 at the end of the resulting plate.
- Figures 15b and 15c show a debitage pattern 110 off center with respect to the central axis 34 of the plate 2 and the diameter 40 at the end 112 of the plate resulting from the movement of the support plates 4, 6.
- the debitage pattern at the large end 114 of the plate is centered relative to the central axis 34 of the plate.
- the apparatus comprises a detection means for detecting different positions of the plate in the apparatus, and an activation means for activating the first and second guidance and drive mechanisms according to the different tray positions.
- the detection means may comprise photocells for detecting a movement of the plate when said plate is received by the first guide and drive mechanism.
- the stage is detected by a photocell PC1:
- the plate can be stopped (stop of the conveyor 18) if the opening of the guide mechanism 10, 12 at the entrance of the first zone is not completed;
- the plate can be stopped (stop due to conveyor 18 and self-centering rollers 26) if the plates 4, 6 and the mechanical link 86 are not in their initial positions,
- the stage is detected by a PC2 photocell:
- the pneumatic pressure is exerted on the guide elements 10, 12 and immediately close on the plate.
- the pneumatic pressure is blocked until the opening of the guide elements 10, 12; - the self-centering rollers 26 return to the initial position awaiting the next tray; and - the plate is stopped (motors 82 of traction chains, motor of the input conveyor and motors of the self-centering rollers are stopped) if the correct positioning of the heads of the rendering machine 58 and the saws 100 has not been completed, all according to the profile of the plate and the cutting pattern chosen.
- the stage is detected by a PC3 photocell:
- the stage is detected by a PC5 photocell:
- the end of the plate is detected by a photocell PC5: - the heads of the rendering machine 58 return to their initial position.
- the present invention also relates to a method for guiding a plate towards cutting tools, comprising the following steps: a) evaluating the plate 2 and generating the signal 122 representative of at least one parameter of the plate 2; b) receiving, guiding and driving the plate 2 along the path 20 by the first guide and drive mechanism, the first mechanism comprising the first two guide elements 10, 12 and drive arranged opposite each other relative to the path; c) guide and drive the plate by, the second guide and drive mechanism from the first mechanism along the path to the cutting tools 22, the second mechanism comprising the two second guide and drive elements arranged vis-à-vis the path and being substantially parallel to the path, the guiding and driving elements of the mechanisms located on the same side of the path being connected by a pivot axis; and d) moving the guiding and driving elements of the first and second mechanisms in a parallel and equidistant manner with respect to the path in response to said signal.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Sawing (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/539,652 US7536939B2 (en) | 2003-06-26 | 2004-06-25 | Apparatus and method for curve sawing of a plank |
CA2503894A CA2503894C (fr) | 2003-06-26 | 2004-06-25 | Appareil et methode pour le sciage en courbe d'un plateau |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002434434A CA2434434A1 (fr) | 2003-06-26 | 2003-06-26 | Systeme de sciage en courbe suivant la courbure naturelle d'un plateau |
CA2,434,434 | 2003-06-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004113003A1 true WO2004113003A1 (fr) | 2004-12-29 |
Family
ID=33520322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA2004/000952 WO2004113003A1 (fr) | 2003-06-26 | 2004-06-25 | Appareil et methode pour le sciage en courbe d’un plateau |
Country Status (3)
Country | Link |
---|---|
US (1) | US7536939B2 (fr) |
CA (1) | CA2434434A1 (fr) |
WO (1) | WO2004113003A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1945423A4 (fr) * | 2005-11-09 | 2011-08-03 | Padana Ag | Raboteuse destinee a un quartelot |
US9050735B2 (en) * | 2006-06-20 | 2015-06-09 | Danzer Services Schweiz Ag | Automatic clipping line |
US8141603B2 (en) * | 2008-02-05 | 2012-03-27 | Patrick M Conry | Variable guide for a gang saw |
DE102012112131A1 (de) * | 2012-12-12 | 2014-06-12 | Gebrüder Linck GmbH & Co. KG Maschinenfabrik "Gatterlinck" | Messeinrichtung zur Krümmungsmessung |
CN113263558B (zh) * | 2021-06-08 | 2022-06-28 | 南京轩世琪源软件科技有限公司 | 一种安全等距切割木材设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3844398A (en) * | 1973-01-15 | 1974-10-29 | G Pinat | Self-centering dual belt conveyor |
CA2022857A1 (fr) * | 1990-08-08 | 1992-02-09 | Lars Gunnar Lundstrom | Broyage secondaire des grumes dans les scieries |
EP0499797A1 (fr) * | 1991-02-18 | 1992-08-26 | Salzgitter Maschinenbau GmbH | Dispositif d'alignement pour bois à usiner |
US20020074062A1 (en) * | 2000-04-17 | 2002-06-20 | Cae Mcgehee, Inc. | Log processor and method |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2169394A (en) * | 1937-03-15 | 1939-08-15 | Jairus S Richardson | Feeding mechanism |
US2794466A (en) * | 1953-02-16 | 1957-06-04 | Svenska Cellulosa Ab | Log-centering feed mechanism for debarking machine |
US3045728A (en) * | 1959-04-07 | 1962-07-24 | Ibis Entpr Ltd | Conveying mechanism |
US3392764A (en) * | 1965-10-21 | 1968-07-16 | Univ Michigan Tech | Bark stripping apparatus |
US3510042A (en) * | 1969-04-03 | 1970-05-05 | American Mach & Foundry | Aligning device |
US3844399A (en) * | 1973-03-09 | 1974-10-29 | Beloit Passavant Corp | Log conveying apparatus |
SE420579B (sv) * | 1976-02-16 | 1981-10-19 | Skogsegarnas Vaenerind | Anordning for sagning av krokformat timmer |
US4210184A (en) * | 1978-01-30 | 1980-07-01 | Producto Machinery Corporation | Circular resaw apparatus and method |
CA1131551A (fr) | 1980-12-22 | 1982-09-14 | Kauko Rautio | Machine a equarrir les grumes rondes |
SE444784B (sv) * | 1984-09-14 | 1986-05-12 | Eriksson Ab A K | Sagutrustning |
US4724877A (en) * | 1987-04-10 | 1988-02-16 | Cemco Volunteer Associates | Self centering planer apparatus |
US4881584A (en) * | 1989-01-09 | 1989-11-21 | Weyerhaeuser Company | Infeed conveyor for saw |
US4947909A (en) * | 1989-02-14 | 1990-08-14 | Cae Machinery Ltd. | Process and apparatus for optimizing volume of boards cut from a log |
SE470378B (sv) * | 1991-06-17 | 1994-02-07 | Ari Ab | Sätt och anordning för sönderdelning av stock till bräder och plank |
US5320153A (en) * | 1991-10-28 | 1994-06-14 | U.S. Natural Resources, Inc. | Method and apparatus for around the curve sawing |
US5447186A (en) * | 1993-12-20 | 1995-09-05 | Sawquip International, Inc. | Chipping canter |
US5884682A (en) * | 1996-03-21 | 1999-03-23 | Cae Newnes Ltd. | Position-based integrated motion controlled curve sawing |
CA2201242C (fr) * | 1996-03-29 | 2000-08-22 | Newnes Machine Ltd. | Methode et appareil permettant de faire varier la position de l'alimentation d'une scie a lames multiples |
US6494240B1 (en) * | 1997-09-04 | 2002-12-17 | Denis Comact Inc. | Apparatus for controlled curved sawing or cutting of two-faced cants |
US6216756B1 (en) * | 1999-03-22 | 2001-04-17 | Howard Carl Mason | Log processing apparatus |
CA2426378C (fr) * | 2003-04-30 | 2012-03-13 | Sawquip International Inc. | Appareil de positionnement et de transport de bille de bois |
US7117907B2 (en) * | 2004-11-26 | 2006-10-10 | Coe Newnes/Mcgehee Inc. | Apparatus for adjustably profiling a cant |
-
2003
- 2003-06-26 CA CA002434434A patent/CA2434434A1/fr not_active Abandoned
-
2004
- 2004-06-25 US US10/539,652 patent/US7536939B2/en active Active
- 2004-06-25 WO PCT/CA2004/000952 patent/WO2004113003A1/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3844398A (en) * | 1973-01-15 | 1974-10-29 | G Pinat | Self-centering dual belt conveyor |
CA2022857A1 (fr) * | 1990-08-08 | 1992-02-09 | Lars Gunnar Lundstrom | Broyage secondaire des grumes dans les scieries |
EP0499797A1 (fr) * | 1991-02-18 | 1992-08-26 | Salzgitter Maschinenbau GmbH | Dispositif d'alignement pour bois à usiner |
US20020074062A1 (en) * | 2000-04-17 | 2002-06-20 | Cae Mcgehee, Inc. | Log processor and method |
Also Published As
Publication number | Publication date |
---|---|
US20060027061A1 (en) | 2006-02-09 |
CA2434434A1 (fr) | 2004-12-26 |
US7536939B2 (en) | 2009-05-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0050080B1 (fr) | Installation pour l'assemblage et/ou l'usinage de pièces portées par des palettes circulantes et immobilisables | |
FR2508836A1 (fr) | ||
EP0133114B1 (fr) | Installation de bombage et de trempe de feuilles de verre | |
FR2475446A1 (fr) | Machine automatique de meulage de lentilles | |
FR2639275A1 (fr) | Procede et appareil de transport de pieces pour machine de coupe | |
EP0983951B1 (fr) | Dispositif correcteur à rouleaux ou à bande pour l'alignement latéral, en cours de faconnage, d'articles en feuilles ou en plaques partiellement pliés dans une plieuse-colleuse | |
WO2004113003A1 (fr) | Appareil et methode pour le sciage en courbe d’un plateau | |
FR2795396A1 (fr) | Dispositif de transfert d'objets plats avec un injecteur a roues elastiquement deformables | |
FR2537040A1 (fr) | Procede de fabrication de pieces de bois travaillees sur toutes les faces, et dispositif pour la mise en oeuvre de ce procede | |
CH694087A5 (fr) | Dispositif pour rompre de points d'attache reliant deux bords d'une ligne de coupe. | |
FR2656252A1 (fr) | Appareil et procede pour presser ensemble des feuilles superposees pour former un produit feuillete tel un pare-brise. | |
FR2593729A1 (fr) | Machine de traitement de plaques, et notamment poinconneuse | |
CA2503894C (fr) | Appareil et methode pour le sciage en courbe d'un plateau | |
CA2106498C (fr) | Dispositif de fabrication de cartes a puces | |
EP0610791B1 (fr) | Dispositif pour aligner des découpes de boites dans une machine les travaillant | |
FR2676947A1 (fr) | Machine de decoupage de toles et de tubes a commande numerique. | |
FR2662387A1 (fr) | Procede pour produire un bois de construction a partir de troncs d'arbres ou de modeles, et dispositif pour la mise en óoeuvre du procede. | |
EP0453984A2 (fr) | Dispositif de taquage de feuilles | |
FR2465540A1 (fr) | Tour sur fosse pour le profilage des roues sur essieux ferroviaires montes | |
EP0223683A1 (fr) | Installation pour l'assemblage et/ou l'usinage de pièces portées par des palettes et palette faisant partie de cette installation | |
FR2696674A1 (fr) | Procédé pour réaliser et usiner des onglets parallèles sur les deux surfaces frontales de pièces de bois allongées et machine à profiler à deux bouts pour la mise en Óoeuvre de ce procédé. | |
FR2490532A1 (fr) | Dispositif destine a arrondir les coins de plaques de verre | |
FR2518922A1 (fr) | Table porte-piece, notamment pour une machine d'assemblage automatique | |
CA2454986A1 (fr) | Systeme de tourne-pieces aleatoire | |
FR2509657A1 (fr) | Dispositif pour reduire le diametre de bois ronds |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2503894 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref document number: 2006027061 Country of ref document: US Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10539652 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 10539652 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |