EP1950016B1 - Procédé de fabrication d'un profilé en bois - Google Patents

Procédé de fabrication d'un profilé en bois Download PDF

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Publication number
EP1950016B1
EP1950016B1 EP08001388.1A EP08001388A EP1950016B1 EP 1950016 B1 EP1950016 B1 EP 1950016B1 EP 08001388 A EP08001388 A EP 08001388A EP 1950016 B1 EP1950016 B1 EP 1950016B1
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EP
European Patent Office
Prior art keywords
profile
pressing
wooden profile
wood
unit
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.)
Active
Application number
EP08001388.1A
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German (de)
English (en)
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EP1950016A2 (fr
EP1950016A3 (fr
Inventor
Gerhard Sauli
Johann Kirchgasser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KIRCHGASSER, JOHANN
Sauli Gerhard
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Individual
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Publication of EP1950016A2 publication Critical patent/EP1950016A2/fr
Publication of EP1950016A3 publication Critical patent/EP1950016A3/fr
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Publication of EP1950016B1 publication Critical patent/EP1950016B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
    • B27M3/006—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected both laterally and at their ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
    • B27M3/0026—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally
    • B27M3/0053—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally using glue

Definitions

  • the invention relates to a method for producing a wooden profile consisting of several layers of lamellae according to the preamble of claim 1. Such a method is known from the US 3191522 known.
  • FR2502884 a device for producing long-length wood profiles of a dielectric material of abutting, glued together elements.
  • the apparatus comprises a microwave tunnel oven of rectangular cross-section, operated at 2450 MHz or 434 MHz and moved either with the wood profile or fixed, in which latter case the wood profiles pass through the interior of the oven.
  • the document shows, for example, the joining of a beam of individual boards, which are connected to each other by finger jointing, wherein the joints in the individual layers relative to the joints of adjacent layers along the beam are offset from each other.
  • FR2503015 describes a process for gluing rafters, in which the glue is cured by using microwaves. How the individual layers are fixed against each other until the adhesive has hardened is not clear from these two documents.
  • the patent application EP 103396 relates to a device for the simultaneous application of pressure and microwaves to curable units. It comprises a continuous press with two continuous, endless metal press belts, between which a clamping region is formed, wherein the press belts exert pressure on the hardenable units inserted between them.
  • a pressing space is formed by the two band surfaces and by two side walls, and there are means for applying microwaves to the hardenable ones Units of at least one microwave generator act through a waveguide and an interface adjacent to the pressing space.
  • EP052359 is a continuous press for producing and / or coating, veneering or the like of a single or multi-layer panel web from a wood chips, wood fibers od. Like. Having nonwoven described.
  • This device has an upper run of a lower and a lower run of an upper endless, at a predetermined speed circulating band of preferably steel.
  • a predetermined speed circulating band of preferably steel In this case, over the entire width of the pressing region extending, provided on an upper and lower abutment sliding coating is provided, over which the incoming belt slides with the aid of a pressurized and liquid lubricant.
  • the invention is based on the object to provide a method for the production of wood profiles while minimizing the use of raw materials.
  • the object of the invention is achieved by the features of claim 1, whereby on the one hand increases the strength property of the glue and on the other hand, a significant raw material and manufacturing cost savings is achieved.
  • the lamellae forming the layers have approximately the same width, as a result of which a saving of material is likewise achieved and in the case of a final calibration following the production process, e.g. By milling, planing etc. manufacturing times can be saved.
  • the layer is formed of at least one lamella extending over the length of the wood profile, whereby additional manufacturing steps are saved.
  • the embodiments described below relate to a system for producing glued, beam-shaped wood profiles, so-called laminated beams, from individual board-shaped slats. Such beams are sometimes referred to as laminated timber.
  • the invention is not limited to beams or profiles made of wood. Rather, the lamella can for example have the shape of rods, the wood profiles produced can be board-shaped and the processed material can be, for example, plastic, cork or in turn a coating material.
  • Fig. 1 shows a side, sectional view of a first embodiment of the system according to the invention.
  • Fig. 2 shows the same embodiment of the system in perspective obliquely from above, wherein the enclosure enclosing housing 9 is omitted for better visibility of the individual components.
  • the wood profile produced by the plant is indicated in the drawings with 1 and is moved in a direction indicated by arrows 10 transport direction from an inlet side 4 to an outlet side 5 through the system.
  • the wooden profile 1 consists of individual lamellae 2, wherein in each case two in the transport direction 10 frontally adjacent lamella 2 are connected to each other by means of a finger joint 8.
  • a pressing and transporting device 3 for the timber section 1 forms an important component of the system. It has a plurality of press units 6 which are arranged one behind the other in the transport direction 10 and are interconnected by circulating traction means 7, which later on the hand FIGS. 3 to 7 be described in more detail. Each press unit 6 is capable of exerting on the wood profile 1 to be glued during transport through the plant a compression pressure of 40 to 50 N / cm 2 .
  • the press units 6 are tensioned by a closing unit 11 arranged close to the inlet side 4 and are relieved again by an opening unit 12 arranged close to the outlet side 5, so that the wooden profile 1 is released.
  • the endless circulating traction means 7 may be formed as a band, chain, rope or the like. In the in Fig.
  • the traction means 7 are formed as two parallel juxtaposed belts, which are guided over a respective drive roller 24 and a guide roller 25 and to which the press units 6 are fixed at intervals. Between the drive rollers 24 and the guide rollers 25 support rollers 26 are arranged.
  • a stabilizing device 27 is arranged, which also has endless circulating traction means 28.
  • the traction means 28 of the stabilizing device 27 are guided over a drive roller 29 and a deflection roller 30.
  • the stabilizer 27 serves to prevent undesired deformation of the press units 6 while they compress the profile 1.
  • tension rods 31 are arranged on the traction means 28, whose distances from each other correspond to the distances between the press units 6.
  • the tie rods 31 are placed close to the inlet side 4 on the press units 6 before they are stretched and lifted after relaxing near the outlet side 5 again from the press units. The effect of the tie rods 31 will be described later in the description of FIGS. 3 and 4 to become even clearer.
  • Support rollers 32 ensure that the tension rods 31 remain connected to the press units 6 as long as they exert pressure on the wood profile 1.
  • the plant is equipped with a heating device in the form of microwave generators 13 arranged one behind the other in the transporting direction 10. These are adjustable by adjusting drives 15 perpendicular to the transport direction 10, as indicated by the double arrow 14 in Fig. 1 is indicated. Due to the adjustability of the microwave generator 13 is an adaptation to different to be produced with the plant wood profiles 1 possible.
  • the wooden profile 1- will open heated to 125 ° C, which reduces the setting time of the glue to a few minutes. Due to the heat and the pressure lignin leaves the wood, its strength decreases substantially and the deformability increases, so that one can speak of a plastic condition of the wood. Inaccuracies, in particular differences in thickness, which consist of elimination of a planing operation of the blanks, as well as distortions are compensated by plasticity in the press units 6.
  • the area of the system in question is protected by a housing 9 completely enclosing this area, as shown particularly in FIG Fig. 1 is clearly visible.
  • a discharge device 17 for the wood profile 1 is arranged in the area of the inlet side 4 in the region of the outlet side 5.
  • the input and output devices 16 and 17 perform the function of microwave seals and are adjustable for the purpose of adaptation to the dimensions of the wood profile 1, as indicated by the double arrow 18 in Fig. 1 is indicated. This adjustability is not limited to the in Fig. 1 shown direction, but parts of the devices 16 and 17 are also in a direction perpendicular to the plane of the drawing Fig. 1 adjustable.
  • the infeed device 16 and the discharge device 17 have comb-like or brush-like arranged electrically conductive, flexurally elastic elements such as cords, wires, strips or slats.
  • temperature sensors 19, 20 and 21 are arranged in the system, which preferably operate without contact.
  • a first temperature sensor 19 in the region of the inlet side 4 a second temperature sensor 20 approximately in the middle of the system and a third temperature sensor 21 in the region of the outlet side 5, so that it is possible, caused by the microwave generator 13 temperature increase in the profile 1 exactly be monitored and, if necessary, influenced.
  • Fig. 1 schematically a drive control 22 for the motors of the drive rollers 24 and 29, not shown, as well as the adjusting drives 15 of the microwave generator 13 is shown.
  • a temperature control 23 is provided for the operation of the microwave generator 13. Furthermore, lines 33 for the supply of system components and for signals between plant components and the drive control 22 or the temperature control 23 are exchanged, drawn.
  • a glue applicator with which before the joining of the blade 2 to the wood profile 1 glue is applied to the lamella.
  • glue applicator with which before the joining of the blade 2 to the wood profile 1 glue is applied to the lamella.
  • different known from the prior art methods are suitable, with which glue can be applied flat or in parallel strands.
  • Such methods may be, for example, that the glue applied by roller brushes, sprayed from nozzles or pressed in strands of a perforated tube under pressure.
  • a cutting device not shown, for cutting the wood profile 1 to the desired length. Between the discharge device 17 and the cutting device, a cooling section may be provided so that the heated profile can cool before cutting.
  • FIGS. 3 to 7 show details and various embodiments of the press unit 6.
  • a first embodiment of the pressing unit 6 is shown in the open position.
  • a U-shaped support member 34 receives the blanks 2 assembled to the wood profile 1 such that they rest on the base 35 of the support member 34 between a first leg 36 of the support member and a pressing plate 42.
  • the support member 34 is secured by means of fastening members 38 on the traction means, which is formed in this example as a chain 39.
  • the pressing plate 42 is movable by a clamping device 40 in the direction of the first leg 36.
  • the clamping unit 40 is formed in this example as a toggle mechanism 41 which is disposed between the pressing plate 42 and a bearing plate 43.
  • the bearing plate 43 is supported by a spindle 44, which in turn is mounted in a recorded in the second leg 37 of the support member 34 spindle nut 45.
  • a pull rod 31 connecting the first leg 36 and the second leg 37 of the support member 34 is placed, as described above in connection with Fig. 1 already mentioned.
  • This pull rod 31 has the task of preventing the support member 34 is deformed under the force of the tensioning device 40, for example, in such a way that the first leg 36 and the second leg 37 are bent apart and / or the base 35 is bent.
  • centering pins 48 are provided, which are present in the pull rod 31 Engage centering 49. For better absorption of the tensile forces that occur, the tension rod 31 can engage over the first leg 36 and the second leg 37 sideways.
  • the clamping devices 40 To set up the system for a particular wooden profile 1, the clamping devices 40 must be adapted to the width of the wood profile 1 to be produced, such that the toggle mechanism 41 can be brought just above the dead center by applying a maximum pressing force.
  • the spindle 44 is rotated until the pressing plate 41 abuts the wood profile 1, wherein the toggle mechanism 41, the in Fig. 3 shown position occupies.
  • the clamping device 40 is actuated by the clamping unit 11.
  • the latter is designed for example as a pneumatic or hydraulic piston-cylinder unit and pushes the toggle mechanism 41 of the in Fig. 3 presented in the in Fig. 4 shown position.
  • the closing unit 11 engages briefly through an opening 46 which is provided for this purpose in the base 35 of the support member 34. Not shown stops prevent the toggle mechanism 41 on the in Fig. 4 shown position can be moved out.
  • the pressing force is maintained by the elasticity of the wood profile 1.
  • less elastic materials may be provided to maintain the pressing force springs, such as disc springs (not shown), between the spindle 44 and the press plate 43 or between the spindle nut 45 and the second leg 37 of the support member 34th are arranged.
  • Fig. 4 shows the press unit 6 shortly before the opening of the toggle mechanism 41 through the opening unit 12, which engages for this purpose briefly by an opening provided in the pull rod 31 opening 47.
  • the closing unit 11 and the opening unit 12 can be stored in the system so that their position is adjustable transversely to the transport direction 10 according to the adjustment of the spindle 44 so that their force acts as closely as possible on the knee joint when closing and when opening the toggle mechanism.
  • the pressing and transporting device 3 moves relatively slowly, it does not have to close and open the press units 6 be stopped. It merely has to be ensured that the openings 46 and 47 provided for the short-term passage of the closing unit 11 and the opening unit 12 are large enough. But it is also conceivable that the pressing and transporting device 3 is stopped for closing and opening the press units 6 for a short time.
  • the distance between the closing unit 11 and the opening unit 12 in the transport direction 10 is a whole multiple of the distance between two pressing units, so that at the same time a pressing unit 5 located near the inlet side 4 is closed by the closing unit 11 and a pressing unit located close to the outlet side 5 5 can be opened by the opening unit 12.
  • Fig. 5 shows an alternative to the tie rod 31.
  • support rollers 50 are provided for lateral support of the first leg 36 and the second leg 37 of the support member, which are received in bearing blocks 51, which in turn are fixedly attached to a system frame 52.
  • FIG Fig. 6 shows another alternative to the tie rod 31.
  • the base 35 is extended on both sides beyond the first and second legs 36, 37 by base extensions 53, 54.
  • Between the first leg 36 and the base extension 53 at least one support rib 55 is arranged and between the second leg 37 and the base extension 54, two support ribs 56 are preferably arranged, namely one each side of the spindle nut 45.
  • Fig. 7 shows an alternative clamping device 60, which consists mainly of a arranged on the first leg 36 of the support member 34 piston-cylinder unit 57.
  • the latter can be equipped either for pneumatic or preferably for hydraulic operation. Due to the higher achievable pressing force, the hydraulic design is preferred.
  • the piston-cylinder unit 57 acts with its piston rod 58 in the direction of the double arrow 59 on the pressure plate 42.
  • a spring 61 is provided in the piston-cylinder unit 57.
  • the piston-cylinder unit 57 is supplied with hydraulic fluid via a coupling device 62 which is connectable in the direction of the double arrow 63 with a connection part 64.
  • the connecting part 64 is equipped with a check valve, so that in the cylinder of the piston-cylinder unit built-up pressure is maintained when the coupling device 62 is released from the connection part 64. So that sufficient time is available for filling the piston-cylinder unit with pressurized fluid, the coupling device 62 can be designed such that it can be moved in the transport direction 10 and follows the pressing unit 6 over a partial path of the transport path until the desired pressure is built up. Alternatively, the pressing and transporting device 3 can be stopped until the desired pressure is reached in the piston-cylinder unit 57.
  • a coupling device is provided in the vicinity of the outlet side 5, which is able to open the check valve present in the connection part 64, so that the pressure fluid present in the piston-cylinder unit 57 under the effect of Spring 61 flows back into a liquid container and the piston rod 58 in Fig. 7 moved to the right.
  • Means for adjusting the span of this press unit 6, as in the embodiments according to the FIGS. 3 to 6 have been described using the example of the spindle 44 are not necessary in this embodiment, because the stroke of the piston-cylinder unit 67 can be dimensioned so that wood profiles 1 minimum to maximum width can be stretched. In contrast to a toggle mechanism, the achievable force over the entire stroke is the same for a hydraulic or pneumatic piston-cylinder unit.
  • Fig. 8 shows a modification of the in the Fig. 3 to 6
  • the composite of the slats 2 profile 1 is not clamped between the pressure plate 42 and the first leg 36 of the support member 34, but between the pressure plate 42 and the bearing plate 43.
  • the spindle 44 is connected to wood sections 1 of different widths with the bearing plate 43, but the toggle mechanism 41 is arranged between the press plate 42 and the first leg 36.
  • This arrangement has the advantage that the toggle mechanism 41 regardless of the width of the wooden profile 1 maintains its lateral position with respect to the support member 34 and thus a lateral adjustability of the clamping unit 11 and the opening unit 12 is omitted.
  • All parts of the plant in particular those of the press units, especially the parts that can come into contact with the wooden profile 1 and with the glue leaking, are made of stainless steel Steel executed.
  • the slats 2 are sawn and optionally brushed or sanded longitudinally or transversely or crosswise. A planing of the blanks is - as already mentioned - not required because minor bumps are compensated by the applied pressure in the press units 6 pressing forces. If the lamellae 2 are bent, in particular curved, it may be advisable to install in these relaxation cuts in order to reduce the required pressing force during sizing. Often, a single cut of about 0.2 mm width and a depth of about half the thickness of the slat 2 is sufficient. In the case of slats 2 with a width of 250 mm and more, several parallel expansion slices can also be applied. Preferably, the slats 2 are provided with a finger joint 8 at their end-side joints, where they are later in the wooden section 1 with adjacent longitudinally extending slats 2 in contact.
  • the slats 2 prepared in this way are provided with glue in a glue application device on those surfaces which later come into contact with adjacent slats 2 in the wood profile 1. Then, the slats 2 are joined together to form the wooden profile 1 and introduced by the Einschleus worn 16 in the system.
  • Joining the slats 2 is to ensure that the joints or finger joints 8 are offset in adjacent layers against each other in the longitudinal direction of the wood profile 1 against each other. It is not necessary that all slats 2 are the same length. Also, not all slats 2 need to have the same thickness. It can wood profiles 1 with several layers of different thicknesses slats 2 are made, of course, the slats 2 are the same thickness in the same position.
  • the assembly of the slats 2 takes place on a table or a roller conveyor whose surface is arranged at the same height as the bases 35 of the support members 34 of the press units 6.
  • the clamping devices 40 of the overall width of the wood profile 1 must be adjusted by the spindles 44 are adjusted so far that the toggle mechanisms 4.1 can be just closed by the clamping unit 11. As a result, a maximum pressing force is achieved.
  • the wooden profile 1 comes to rest on the base 35 of a supporting part 34 of a pressing unit 11 moving in the transporting direction 10.
  • a tension rod 31 attached to the traction means 28 and moving at the same speed in the same direction (10) is placed on the supporting part 34.
  • the press unit 6 comes in the region of the closing unit 11, which actuates the toggle lever mechanism 41, so that the wood profile 1 is compressed in the press unit 6.
  • the wood profile 1 is compressed at any time by seven in the transport direction 10 close to each other arranged press units 6.
  • the wood profile 1 is passed under the microwave generators 13 and heated by them to about 125 ° C, wherein the wood is plastic and the blades 2 are pressed into close contact with each other.
  • the temperature of the wood and / or glue is monitored by the temperature sensors 19 to 21 and influenced by the temperature control 23 according to a stored specification.
  • frequencies of 950 MHz or 2450 MHz are preferably used, these frequencies are selectively applied individually, alternately or simultaneously. Depending on the temperature profile, the profile can be acted upon with the frequencies mentioned continuously or clocked.
  • the heating of the wood profile 1 is matched with the transport speed, such that the glue is cured before passing through the discharge device 17.
  • the wood profile 1 After passing through the discharge device 17, the wood profile 1 again reaches a table or a roller conveyor, where it cools down a bit. Subsequently, the wood profile 1 is cut to the desired length in a cutting device.
  • Fig. 9 is a plant for the production of the timber profile 1, for example, three of the board or strip-shaped slats 2 shown in which a length 65 of the wood profile 1 in a for designed plant length is manufactured.
  • the plant consists of several, in the illustrated embodiment 3 stationary in the direction of the length 65 of the wood profile to be produced 1 juxtaposed press modules 66 in which the slats 2 between a fixed press block 67 and a means of the clamping device 40, for example, the toggle mechanism 41, for Application of a pressing force - according to arrow 68 - adjustable press block 69 at their abutting each other, and provided with a glue, connecting surfaces 70 are pressed.
  • the slats 2 are, as in the Fig. 9 indicated, in sawnauer execution, that is, that all surfaces including the connecting surfaces 70 are achievable in a sawing raw state, whereby the lamellae 2 in the course of the length of the wood profile 1 thickness variations and the surface roughness is substantially greater than in the state of Technique for such wood profiles 1 used planed or milled slats.
  • connection surfaces 70 it is also possible to process the surfaces at least by a rough grinding or brushing process prior to the bonding process and the glue application 70.
  • a rough grinding or brushing process By processing in sawn or brushed or ground state, the waste is significantly reduced compared to the conventional processing of planed slats 2.
  • the increased surface roughness of the connection surfaces 70 results in a higher strength of the glue connection due to a toothing effect on the connection surfaces 70.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Claims (1)

  1. Procédé de fabrication d'un profilé en bois (1) constitué de plusieurs couches collées entre elles de lamelles en forme de planches ou d'alaises (2), comprenant les étapes suivantes : munir de colle des lamelles en forme de planches ou d'alaises (2) sur leurs surfaces de liaison (70) ; assembler les lamelles (2) sous la forme d'un profilé en bois (1) ; presser et transporter le profilé en bois (1) dans la direction longitudinale du profilé en bois (1) dans un dispositif de pressage et de transport (3) jusqu'à un durcissement au moins partiel de la colle, le dispositif de pressage et de transport (3) comprenant, dans la direction longitudinale du profilé en bois (1), des unités de pressage disposées l'une derrière l'autre (6) qui sont reliées entre elles par l'intermédiaire de moyens de traction à défilement continu (7) et qui sont mobiles entre une position ouverte, dans laquelle elles peuvent libérer le profilé en bois (1), et une position fermée, dans laquelle elles peuvent comprimer le profilé en bois (1) transversalement à sa direction longitudinale ; chauffer le profilé en bois (1) avec des moyens de chauffage (13) ; caractérisé en ce que les moyens de chauffage (13) et les unités de pressage (6) sont agencés de façon que, sous l'effet de la chaleur et de la pression, le profilé en bois (1) acquière un état plastique ; et en ce que, au moins sur des surfaces de liaison (70) en vis-à-vis, les lamelles (2) sont brutes de sciage.
EP08001388.1A 2007-01-29 2008-01-25 Procédé de fabrication d'un profilé en bois Active EP1950016B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1342007A AT504855B8 (de) 2007-01-29 2007-01-29 Anlage zur herstellung eines holzprofils und damit hergestelltes holzprofil

Publications (3)

Publication Number Publication Date
EP1950016A2 EP1950016A2 (fr) 2008-07-30
EP1950016A3 EP1950016A3 (fr) 2011-11-30
EP1950016B1 true EP1950016B1 (fr) 2016-05-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08001388.1A Active EP1950016B1 (fr) 2007-01-29 2008-01-25 Procédé de fabrication d'un profilé en bois

Country Status (4)

Country Link
EP (1) EP1950016B1 (fr)
AT (1) AT504855B8 (fr)
DK (1) DK1950016T3 (fr)
PL (1) PL1950016T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3127669A1 (fr) * 2015-08-04 2017-02-08 Binderholz International AG Procede de fabrication de composants en bois
AT518249B1 (de) * 2016-02-16 2017-09-15 Fill Gmbh Verfahren und Vorrichtung zum Herstellen von Brettschichtholz
CN109262763A (zh) * 2018-12-03 2019-01-25 江苏国全自动化科技有限公司 一种木料快速定位机构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229274B (de) * 1960-12-23 1966-11-24 Hanns Hess Vorrichtung zur Herstellung von verleimten Keilzinken-Stossverbindungen an Werkstuecken aus Holz oder Holzwerkstoff
US4018642A (en) * 1975-09-08 1977-04-19 Macmillan Bloedel Limited Microwave curing of alkaline phenolic resins in wood-resin compositions
CA2098520A1 (fr) * 1993-06-16 1994-12-17 Peter J. Prihoda Procede et installation pour le formage de produits de bois composites
WO2004033577A2 (fr) * 2002-10-07 2004-04-22 Basf Aktiengesellschaft Procede de production de bois colle a courtes etapes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098514A (en) * 1961-09-20 1963-07-23 John L Rados Continuous wood laminating press
US3191522A (en) * 1962-09-26 1965-06-29 Theodore R Drake Continuous press
SE7901615L (sv) * 1979-02-22 1980-08-23 Statens Skogsind Ab Sett att framstella lamellvirke genom hoplimning av sagat virke
FI75301C (fi) 1980-11-14 1988-06-09 Mets Nv De Kontinuerligt fungerande press.
FR2502884A1 (fr) 1981-03-24 1982-10-01 Pellissier Jean Pierre Fabrication en continu par un procede de collage utilisant des micro-ondes de profiles en materiau dielectrique
FR2503015A1 (fr) 1981-04-02 1982-10-08 Landex Ets Dispositif d'aboutage de bois par micro-ondes et chaine de fabrication en continu de panneaux de toiture comportant ce dispositif
US4456498A (en) 1982-08-10 1984-06-26 Macmillan Bloedel Limited Microwave applicator for continuous press
AT400691B (de) * 1994-08-12 1996-02-26 Schilcher Industrieanlagen Und Produktionsanlage zur herstellung eines rohprofils aus stab- bzw. brettförmigen lamellen
SE505240C2 (sv) * 1995-09-22 1997-07-21 Leif Goesta Zettergren Skydd mot mikrovågor
SE0300616L (sv) * 2003-03-10 2004-09-11 Per Hobro Förfarande för hoplimning

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229274B (de) * 1960-12-23 1966-11-24 Hanns Hess Vorrichtung zur Herstellung von verleimten Keilzinken-Stossverbindungen an Werkstuecken aus Holz oder Holzwerkstoff
US4018642A (en) * 1975-09-08 1977-04-19 Macmillan Bloedel Limited Microwave curing of alkaline phenolic resins in wood-resin compositions
CA2098520A1 (fr) * 1993-06-16 1994-12-17 Peter J. Prihoda Procede et installation pour le formage de produits de bois composites
WO2004033577A2 (fr) * 2002-10-07 2004-04-22 Basf Aktiengesellschaft Procede de production de bois colle a courtes etapes

Also Published As

Publication number Publication date
EP1950016A2 (fr) 2008-07-30
EP1950016A3 (fr) 2011-11-30
PL1950016T3 (pl) 2016-12-30
AT504855A1 (de) 2008-08-15
AT504855B8 (de) 2009-01-15
AT504855B1 (de) 2008-11-15
DK1950016T3 (en) 2016-08-22

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