EP0999925B1 - Procede et dispositif pour l'usinage de pieces pratiquement planes ou en forme de baguettes, en particulier en materiaux derives du bois - Google Patents

Procede et dispositif pour l'usinage de pieces pratiquement planes ou en forme de baguettes, en particulier en materiaux derives du bois Download PDF

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Publication number
EP0999925B1
EP0999925B1 EP98945103A EP98945103A EP0999925B1 EP 0999925 B1 EP0999925 B1 EP 0999925B1 EP 98945103 A EP98945103 A EP 98945103A EP 98945103 A EP98945103 A EP 98945103A EP 0999925 B1 EP0999925 B1 EP 0999925B1
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EP
European Patent Office
Prior art keywords
edge profile
workpiece
profile
edge
extension
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98945103A
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German (de)
English (en)
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EP0999925A1 (fr
Inventor
Klaus Eisele
Kurt Kalmbach
Johannes Schmid
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Homag Maschinenbau AG
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Homag Maschinenbau AG
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Publication of EP0999925A1 publication Critical patent/EP0999925A1/fr
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N7/00After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity

Definitions

  • the invention relates to a method and an apparatus for Processing of essentially flat or strip-shaped Workpieces, in particular made of wood materials or like.
  • edge profile has to be tempered, because the parting surfaces created there on the workpiece either do not meet certain design requirements or a poor surface quality and / or strength exhibit. Therefore, various methods for Tempering of such edge profiles developed.
  • a generic method and a generic one Device for continuous processing of flat or strip-shaped workpieces from an open-pore Wood material and the like are from the German Patent application 195 18 925.6 of the applicant known.
  • Process during which a workpiece is carried out in a predetermined passage or movement direction or The workpiece is passed through several processing stations processed by milling and / or grinding in the edge area and so an essentially elongated open pore Edge profile generated on which a hot coating compound applied and by hot filling and if necessary subsequent grinding, is smoothed.
  • the device for Carrying out this process comprises the respective one Workpiece holding fixture and for the continuous processing arranged one after the other Processing stations, namely a milling and / or Grinding station, an order station for the remuneration mass and a spatula station.
  • Processing stations namely a milling and / or Grinding station, an order station for the remuneration mass and a spatula station.
  • the associated device can complete machining of Workpieces made of open-pore wood-based materials and the like done in one pass in the edge area.
  • DD-PS 29 705 is a method for solidification particularly stressed areas in the edge area of porous Boards, especially chipboard, are known.
  • the Particle board clamped in a tub, corresponding to the edge area of the workpiece to be tempered is sealed, and over the sealed tub is a Solidifying agent in the form of an adhesive or Pressurized adhesive mixture pressed into the edge of the workpiece. Then there is a curing of the adhesive mixture required.
  • DE 16 53 240 C3 discloses a device with the porous chipboard panels in the edge area to increase for example, the screw strength can be solidified can.
  • DE 40 28 166 C2 describes one method and one Device for strengthening chipboard in the edge area proposed in which a solidifying agent individual nozzles is injected into the edge area.
  • the invention is therefore based on the object of a suitable Process for processing essentially flat or strip-shaped workpieces, in particular made of wood materials or the like, to create the prior art inherent disadvantages in a simple and effective way and Avoid as far as possible.
  • Another job is a suitable processing device to create for such workpieces.
  • the first-mentioned object is achieved by an inventive one Method with the features of claim 1.
  • This process essentially works on flat or plate-shaped or strip-shaped Workpieces, in particular made of wood materials or the like, at least one edge region at least one essentially elongated edge profile generated on the workpiece, at least one compensation mass applied the edge profile and the compensation mass smoothed.
  • Edge profile temporarily extended at at least one end and the application and / or smoothing of the compensation mass begins in front of or on the temporarily extended edge profile and / or ends on or behind the temporarily elongated edge profile.
  • the workpieces mentioned include within the meaning of the invention including those made of solid wood, plywood or a completely or partially open-pored, porous, crumbly, fibrous, irregular or rough Surface structure or more or less material comprising granular material particles, including combinations thereof.
  • Wood or chipboard of any kind which also with Wood and / or plastic veneers covered or otherwise can be coated, i.e. the aforementioned Do not show material properties ad hoc.
  • the generated on the workpiece Edge profile which is an even or uneven Can have profile shape, is according to the invention for example by press molding, a cutting process such as Cutting, milling, form milling, grinding, form grinding or generated another suitable processing step.
  • the Edge course of the provided with such a profile Workpiece is related to its length preferably rectilinear, but can in principle also be curved. Also a groove in an edge area of the workpiece opens, is an edge profile in the sense of Understanding invention.
  • thermoplastic is preferably used as the coating compound Mass, a thermosetting mass or one to one Thermosetting thermosetting compound used.
  • it can be a moisture-curing polyurethane system.
  • the Invention is not exclusive to this particular one The type of remuneration is limited.
  • Applying the Compensation is made by means of a suitable Application device, for example via a heated or unheated application roller or roller, an application nozzle Squeegee, a coating unit or a transfer ribbon applicator and can be repeated one or more times.
  • the Compensation can be both in the uncured as well hardened state can be smoothed.
  • a heated and still plastic compensation mass is that Smoothing, for example by hot filling with a or several spatulas can be carried out.
  • One already hardened remuneration is e.g. can be smoothed by grinding.
  • the process steps mentioned above can apply any further steps, e.g. Apply a second Compensation component on the compensation mass, drying, Fine grinding, painting and / or hot stamping or gluing the workpiece with a coating material, etc. connect.
  • the edge profile is temporarily extended to the mentioned times such that suitable Extension means, which one to be coated or to smoothing edge profile essentially corresponding contour have, i.e. the positive shape of the edge profile correspond, such manually and / or mechanically at least one end of the edge profile can be set that the Edge profile without significant interruption except for the Extension means continues, so in a way artificial is extended. As a result, that also changes Workpiece shape and dimensions.
  • the edge profile has through the measures mentioned ergo precisely on the critical Places where usually those described at the beginning technical problems occur, at least temporarily such a shape and approximately such properties that in essentially an uninterrupted or continuous Edge profile would correspond.
  • the contour of the used Extension means not necessarily a true to form Rendering of the edge profile must and usually also shouldn't be. Rather, the contour is, if necessary Consideration of necessary processing allowances, a desired ideal or final shape of the edge profile correspond, which itself, depending on the used Workpiece material, possibly over a very has irregular or porous surface structure and therefore only for the purpose of approximating the ideal or final shape accordingly with the remuneration treat is.
  • the extension means can therefore also be used as one Be designed end piece, for example a Groove that opens into a workpiece edge, in the longitudinal direction of the groove closes. This is particularly advantageous if the Groove completely, i.e. down to the level of Workpiece surface, filled with the compensation compound should be, since the end piece then an expiry of Compensation compound prevented and the formation of a smooth Workpiece completion enabled.
  • the extender is expediently additionally designed such that its top with the surface of the workpiece if possible fits flush and smooth.
  • As an edge profile is in line with the basic idea of the invention also a through a machining or the like generated and with area portion to be treated understand who e.g. in a flat central area of the Workpiece begins and in an open edge area of the Workpiece opens or passes over.
  • an extension means is also a similarly designed second workpiece so gapless attachable to a first that the edge profile extension of first workpiece through the corresponding edge profile of the second workpiece is formed.
  • the prerequisite for this are of course suitable workpiece geometries.
  • the application and / or smoothing of the compensation mass before or begins on the temporarily extended edge profile and / or on or behind the temporarily extended Edge profile ends, i.e. in other words: the application or smoothing the application mass based on the Longitudinal extension of the edge profile like in a continuous edge profile without significant interruption over the actual edge profile area to be treated beyond that, there can be no burrs or buildup of the Make up remuneration measures at the critical points a corner, edge or edge of the workpiece usually a beginning or an end of the one to be edited Show edge profile.
  • the inventive method is from the aforementioned Reasons particularly advantageous to apply to workpieces that one or more open-pore, porous or light crumbly materials exist, such as wood or Pressboard and the like, and allows high Processing speeds.
  • the method according to the invention can be carried out both manually and by machine. Especially in the case of automated workpiece machining, the solution according to the invention in a simple and effective manner and Way a smoother operation with a considerable Reduction of the committee. Because of the achievable high Product quality as well as the possibility of shortened Machining cycles without post-processing is not one insignificant increase in product yield with reduced Production costs realizable, so that the invention Procedures also remarkable from an economic point of view Offers advantages.
  • This device for editing essentially flat or strip-shaped workpieces, in particular from Wood materials or the like, with at least one in essential elongated edge profile, at least applied a coating compound and then smoothed it is comprised of at least one associated with the workpiece Edge profile extension device, the one Has profile extension section whose profile shape with that of the edge profile of the workpiece essentially matches.
  • Edge profile extension device or their profile extension section and their Basically the properties above apply to the Explanation of the method according to the invention in context with the adequate extension means, so that further explanations are not required.
  • the device according to the invention also offers that in detail in connection with the inventive method outlined benefits. It should also be added that conventional processing devices of the generic type constructively relatively simple and inexpensive on a device according to the invention are to be converted.
  • Fig. 1 is a schematic plan view Part of a device according to the invention shown which in the present case as a continuous processing device is designed.
  • a flat, plate-shaped workpiece 2 (here: a chipboard with rectangular plan shape, due to the compressed Wood particles a porous, open-pored 4 and relatively fragile Edge 6, which is to be remunerated) is in one Clamping device, not shown, clamped and is in a predetermined and indicated by the arrow D indicated direction of passage through the device transported, there being several processing stations passes.
  • the section shown are for the purpose tempering the workpiece edge 6 some for that inventive method according to a first embodiment typical basic processing steps performed.
  • FIG. 1 is on the device Applicator roller 8 and, based on the direction D in a distance behind it, a heated first spatula blade 10 arranged.
  • the first spatula blade 10 closes with a straight, vertical subsection 6.2 one already on one previous machining station by form milling and Grinding generated edge profile 6 of the workpiece 2 a acute angle ⁇ .
  • a second spatula blade 12 is like can be seen in FIG. 2 in a schematic perspective view, an upper, S-shaped curved section 6.4 of the Edge profile 6 assigned and something in the direction D positioned behind the first spatula blade 10.
  • With the reference numeral 14 is a compensation mass characterized with which the edge profile 6 is tempered.
  • the workpiece 2 first runs past the application roller 8, from the surface of the coating compound 14, for example in a hot state, transferred to the edge profile 6 becomes.
  • the workpiece 2 with the edge profile 6 applied layer of coating compound 14 moves then continuously heated to the two Spatula blades 10, 12 further. While the edge profile 6 on runs along the spatula blades 10, 12 applied mass 14 from the blades 10, 12 to the open Pores 4 of the edge profile 6 directed and into the pores 4 pressed so that they are closed. In this way the coating compound 14 penetrates evenly into the pores 4 and the unevenness of the edge profile 6.
  • the spatula blades 10, 12 also a Smoothing the edge profile 6 and the other Compensation layer 14 adhering to outer surfaces achieved as it is shown schematically at the left edge profile end in Fig. 2 can be seen.
  • FIGS. 3 are again in a schematic diagram the basic processing steps of FIGS. 1 and 2 as well as some further optional steps of the invention Procedure as in one run with a constant workpiece clamping can, shown.
  • the direction of flow of the device is again marked with an arrow.
  • the workpiece 2 is by profile milling processed and a predetermined edge profile generated (Fig. 3B).
  • Fig. 3C profile grinding of the Edge profile
  • Fig. 3D the first Applying the compensation mass and then the (hot) Filling the coating compound into the remaining pores and unevenness of the edge profile.
  • Fig. 3E another Connect the grinding process
  • FIG. 4 shows a schematic perspective view of a to be combined with the workpiece 2 to be machined special component of the device according to the invention, with the particularly important steps on the workpiece 2 method according to the invention are carried out.
  • a workpiece 2 associated edge profile extension device 16 in hereinafter briefly called profile counterpart 16, which at Applying and / or smoothing the compensation mass 14 used and has a profile extension section 16.2, whose profile shape with that of the edge profile 6 of the workpiece 2 essentially coincides.
  • Profile extension section 16.2 of the profile counterpart 16 designed so that its contour taking into account the when applying and smoothing the compensation compound 14 required machining allowances or tolerances of the desired ideal or final shape of the workpiece edge profile 6 corresponds, which itself due to its further above described material properties over a relatively irregular and porous surface structure 4 and therefore only for the purpose of approximation the ideal or final shape corresponding to the remuneration mass 14 is to be treated.
  • the profile counterpart 16 is in The present exemplary embodiment made of a metal material and / or plastic and has a high Surface quality with low roughness.
  • the edge profile 6 to be treated with the compensation compound 14 is now immediately before or during the invention Applying and / or smoothing the compensation mass 14 temporarily extended at least one end by Profile counterpart 16, as in Fig. 4 by the double arrows 18th alluded to, so complete and flush with the already pre-milled edge profile 6 is set that the Profile extension section 16.2 to a certain extent continuous extension of the actual edge profile 6 of the workpiece 2 forms.
  • the arrangement of the Profile counterpart 16 at the end of the edge profile 6 and the Transition from edge profile 6 to the profile extension section 16.2 in the extended state is also particularly good in the Fig. 5, which is a corresponding schematic side view in a viewing direction according to arrow A in Fig. 4, and in Fig.
  • FIG. 6 which is a corresponding schematic plan view in a viewing direction according to arrow B in FIG. 4, recognizable.
  • the rear end of the workpiece edge profile 6, that is not shown in the drawings is in present example also in an analogous manner with a corresponding profile counterpart 16 equipped.
  • Fig. 5 is also the edge profile shape of the Workpiece 2 in a 90 ° into the viewing plane folded sectional view recognizable.
  • the edge profile 6 with the help of Compensation mass 14 compensated begins at the predetermined Flow direction D the application or smoothing of the Compensation mass, as indicated by arrow IA in FIGS. 5 and 6 indicated, on the temporarily elongated edge profile 16.2, 6, namely on the profile extension section 16.2 of the front profile counterpart 16, goes over the joint 20th between the front profile counterpart 16 and the front End of the edge profile 6 and ends on the temporary extended edge profile 16.2, 6, namely on the Profile extension section 16.2 of the rear, in the Drawing no longer shown profile counterpart 16.
  • the application and smoothing of the Compensation mass 14 and thus also the smoothing of Edge profile 6 takes place in a common step here the profile counterparts 16 only removed after smoothing.
  • this edge section 16.4 serves in the present case both as a cover and Reinforcement device for temporary covering and Reinforcing that already in a previous one Process step, i.e.
  • profile milling and Profile grinding treated edge profile 6p of the workpiece 2 which is at right angles to the one currently in use Compensation compound 14 to be treated edge profile 6 extends and adjoins this corner as well as a contactable with the workpiece 2 stop for Attaching and positioning the profile counterpart 16.
  • Die Cover and reinforcement device as well as the stop are integrated in the profile counterpart 16 here.
  • the flush, gapless and essentially full-surface system of the workpiece 2 at the edge portion 16.4 of the Profile counterpart 16 and the special Shape of the edge section 16.4 generated cover and Reinforcing effect is again particularly good in the figures 5 and 6 recognizable.
  • the counterpart 16 After removing the temporarily attached The counterpart 16 has the workpiece 2 on one each end of the tempered edge profile 6 a precise, sharply defined and true-to-shape corner without noteworthy Burrs or even outliers. It's also over the corner Adjacent, not yet hardened edge profile 6p free of Attachments due to mass residues. The workpiece is therefore instant ready for the next processing step.
  • FIGS. 7 and 8 each show a schematic side view further design details of a front section of the edge profile 6 of the workpiece 2 assigned partial area the edge profile extension device flow device according to the invention in two different Positions.
  • 9 and 10 show others in an analogous manner Design details of a rear section of the Edge profile 6 of the workpiece 2 assigned portion of Edge profile extension device in two different Positions.
  • FIGS. 7 to 10 go further steps of the method according to the invention emerge.
  • the Direction of passage of the workpiece is in said Drawings again indicated by the arrow D.
  • the edge profile 6 to be coated lies in the Viewing plane.
  • this includes Variant of the edge profile extension device for one single edge profile 6 of the workpiece 2 a pair of Profile counterparts 16, namely one for the front end (Fig. 7 and 8) and one for the rear end of Edge profile (Fig. 9 or 10).
  • the profile counterparts 16 itself essentially correspond to that already in connection with the construction illustrated in FIGS. 4 to 6 however, also an adapter device 22, via which they each releasably with as a holding device Acting section 24.2 below Movement mechanism M described in more detail are.
  • this device also has a variety of at a certain distance from successive workpieces is to be processed sequentially in the remuneration station in the present case the edge profile extension device in the by a predetermined starting position PS and End position PE periodically predefined and can be moved back, as in FIGS Double arrow indicated.
  • the starting position PS is here based on the flow direction D immediately before Entrance to the remuneration station and the end position PE immediately behind the exit of the remuneration station.
  • the Edge profile 6 of one running towards the compensation station Workpiece 2 is then extended at the starting position PS the edge profile extension during the Continuous machining, in which the workpiece 2 in the direction of End position PE steps in the remuneration station maintained and finally at the end position PE again away.
  • the Edge profile extension device essentially from the Start position PS moved to end position PE.
  • the movement cycle is complete and the edge profile extension device is next Workpiece available.
  • the Movement mechanism M includes one below and parallel to the direction of passage D of the workpiece 2 arranged Linear guide 26 on which a rotor 28 over a Feed cylinder 30 from a right start position, according to the starting position PS, to a left End position, corresponding to the end position PE, and back is movable.
  • On the runner 28 is a short 32 and a long pivot lever 24 composed Lever mechanism arranged.
  • the long pivot lever 24 on the upper free end 24.2 the profile counterpart 16 releasably is held, is via a swivel cylinder 34 from one approximately horizontal (Fig. 8 and Fig. 9) in a vertical Position (Fig. 7 and Fig. 10) pivotable.
  • the front one (Figs. 7 and 8) and rear movement mechanism M (Fig. 9 and 10) differ in their structure only in that in the front movement mechanism M, the pivot lever 24 is pivotable in the horizontal direction D and in the rear against the direction of flow D.
  • the front and rear are in the starting position PS Movement mechanism M in the in Figures 7 and 9 positions shown, the pivot lever 24v in a vertical and the pivot lever 24h in a horizontal Position is.
  • the runners 28 are in their right Initial position.
  • Fig. 9 by dashed lines outlined, runs over to the remuneration station Workpiece 2 the folded down rear pivot lever 24h and bumps gently against the stop 16.4 of the front Profile counterpart 16v (Fig. 7), the feed cylinder 30v is activated shortly before the workpiece 2 strikes, starts moving in the direction of flow D and this Catch workpiece 2 with the help of the profile counterpart 16v.
  • the front profile counterpart 16v becomes the front Positioned end of the edge profile 6.
  • the rear pivot lever 24h is by means of Swivel cylinder 34h pivoted upwards into the vertical and positions the rear profile extension piece 16h 10 at the rear end of the Edge profile 6.
  • the swivel levers 24v, 24h of the front and rear Movement mechanism M form in the previously described Configuration, so to speak, a claw-like or pincer-like Fixation mechanism that is closed with its on the upper sections 24.2 of the pivot levers 24v, 24h located profile extensions 16v, 16h that Workpiece 2 encloses on two sides and thus the Profile counterparts 16v, 16h detachable but secure and a perfect fit the respective end of the edge profile to be coated 6 fixed and this artificially extended.
  • the function of this fixing mechanism is accordingly such that the front pivot lever 24v against the direction of travel D closes and releases the fixation in the direction of flow D. while the rear pivot lever 24h in the direction of passage D closes and the fixation in the direction D again solves.
  • the temporary edge profile extension care When producing the temporary edge profile extension care must be taken that at least the extension of the front end of the edge profile 6 is still complete before applying and / or smoothing the compensation compound 14 on the edge profile 6 in the tempering station.
  • the rear edge profile extension could in the present case in principle be carried out somewhat delayed, because this part of the workpiece is the compensation station later reached. While the workpiece 2 the tempering station passes through and the temporarily elongated edge profile, such as already described in connection with FIGS.
  • edge profile extensions can do this alone happen that the workpiece 2 in the direction D moved further while the rear profile counterpart 16h together with the rear feed mechanism M in the in Fig. 10 brakes the configuration shown or briefly park in the end position PE. In the present case, however in connection with the progression of the workpiece 2 also the rear pivot lever 24h back into that in FIG. 9 horizontal position shown pivoted back.
  • the removal the front edge profile extension could in the present In principle, the case falls somewhat earlier than the removal of the rear Edge profile extension can be carried out as the tempering already in the front section of the edge profile 6 completed while it is in a rear, i.e. trailing section is not yet completed.
  • the entire edge profile extension device is now by pulling the feed cylinder 30 back into the move the original starting position PS, whereby the Movement cycle is complete.
  • the Edge profile extension device stands, as already above mentioned, now for a new workpiece or one in one previous work step already machined workpiece to disposal.
  • the profile counterparts 16 cleaned or if necessary can be exchanged for other profile counterparts.
  • FIG. 11 shows an analog to the representation in FIG. 4 schematic perspective view, from the essential steps a second embodiment of the invention Procedure emerge.
  • a strip-shaped workpiece 2 which from a coated on one side with a plastic veneer 36 Pressboard 38 exists.
  • a semicircle through the plastic veneer 36 Milled groove 40 which on the end faces of the workpiece 2nd opens into an edge area of the same.
  • the Groove 40 places the originally covered pressboard material 38 free, which has a rather porous, irregular surface and therefore in the area of the groove 40 by application and smoothing to be refined according to a remuneration mass.
  • To this purpose is similar to the variant according to FIG.
  • a two profile counterparts 16 comprising Groove profile extension device to those Workpiece edges are placed seamlessly into which the ends of the Grooves 40 open.
  • the profile counterparts 16 are on her Top with one of the groove profile shape corresponding indentation 42 provided so that by means of Profile counterparts 16 one with the edge profile extension 4 to 6 comparable temporary Groove profile extension is realized.
  • the application and / or smoothing of the compensation mass on the Groove surface which in a to the embodiment Fig. 1 to 6 analogous way, but with accordingly on the Shape of the groove 40 coordinated tools happens begins on the temporarily extended groove profile, namely in the Indentation 42 of the front counterpart in FIG. 11 16, and also ends on the temporarily elongated groove profile, namely in the recess 42 of the rear in the drawing Profile counterpart 16.
  • This processing area is in the 11 again indicated by the reference symbol IA.
  • the surface of the coating which comes into contact with the compensation Profile counterpart 16 is in the present example with a special non-stick coating 44 provided that adhering of the remuneration measures used prevented or at least reduced.
  • the processing of that shown in Fig. 11 Workpiece 2 can also be manually or mechanically, in particular also take place in a continuous process.
  • FIG. 12 is another schematic overview of the Device according to the invention shown in side view, from which the basic arrangement of the to carry out the required processing steps according to the invention corresponding processing stations that are related to the workpiece direction D from left to right are arranged one behind the other. All Processing stations are here in a common Continuous processing device integrated and the Editing steps can be done with the same Workpiece clamping can be carried out in one pass, see above that with the device a complete processing of the Workpiece can take place in the edge area.
  • a profile milling station S1 a profile grinding station S2 and an application and a (hot) spatula station S3 arranged.
  • the station S3 comprises, as from the drawing of the actual device shown pulled out, even the Edge profile extension device 16 and one of these associated cleaning device 46 for cleaning the Profile counterparts and a changing device 48 for automatic change or exchange of Profile counterparts.
  • a profile station S4 a painting station S5, a Drying station S6, a grinding station S7 and one Hot stamping station S8 provided. All Processing stations S1 - S8 can be on one comparatively short throughput distance for the workpiece be accommodated so that there is a compact Complete machining device can be realized.
  • the invention is not limited to the above embodiments, which is only the general explanation of the basic idea serve the invention, limited. Within the scope of protection can the inventive method and device according to the invention rather than that Assume the embodiments described above.
  • the method and the device can in particular Features that are a combination of the respective Represent individual features of the associated claims.
  • the Surfaces 16.2, 16.4 of the edge profile extension device 16 do not necessarily have to be completely smooth but can also be a certain one if necessary Have surface structure, such as when the Compensation compound, for example by means of a notched trowel or the like is applied and a corresponding grooved structure receives. Furthermore, the Edge profile extension device not only as block-like, short profile counterpart 16 (as e.g.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)

Claims (33)

  1. Procédé d'usinage de pièces (2) pratiquement planes ou en forme de baguettes, en particulier en matériaux dérivés du bois ou analogues, sur au moins une zone d'arête, comprenant les étapes suivantes :
    a) génération sur la pièce (2) d'au moins un profil d'arête (6) sensiblement allongé,
    b) application (8) d'au moins une masse de traitement (14) sur le profil d'arête (6), et
    c) lissage (10, 12) de la masse de traitement (14) ;
    d) Le profil d'arête (6) est prolongé (6, 16, 16.2) temporairement, en au moins une extrémité, directement avant ou pendant l'application (8) et/ou le lissage (10, 12) de la masse de traitement (14), et l'application (8) et/ou le lissage (10, 12) de la masse de traitement (14), commence avant ou sur le profil d'arête (16, 16.2) prolongé temporairement et/ou s'achève sur ou derrière le profil d'arête (16, 16.2) prolongé temporairement.
  2. Procédé selon la revendication 1, caractérisé en ce que
    e) le profil d'arête (6), pendant l'application (8) et/ou le lissage (10, 12) de la masse de traitement (14), est prolongé (16v, 16h) temporairement, tant à une extrémité avant qu'également à une extrémité arrière.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que
    f) au moins une zone d'arête non usinée ou un profil d'arête (6p), usiné lors d'une étape opératoire précédente, de la pièce (2), zone ou profil limitrophe au profil d'arête (6) usiné, à enduire de la masse de traitement (14), est temporairement couvert (16.4) et/ou renforcé (16.4) pendant le prolongement (16, 16.2, 16v, 16h) temporaire du profil d'arête (6) et/ou pendant l'application (8) et/ou le lissage (10, 12) de la masse de traitement (14).
  4. Procédé selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que
    g) le prolongement (16, 16.2, 16v, 16h) temporaire du profil d'arête est de nouveau enlevé après application (8) et/ou lissage (10, 12) de la masse de traitement (14).
  5. Procédé selon la revendication 3, caractérisé en ce que
    h) le recouvrement (16.4) temporaire et/ou le renforcement (16.4) de la zone d'arête non usinée ou du profil d'arête (6p), déjà usiné lors d'une étape opératoire précédente, de la pièce (2), est de nouveau enlevé après application (8) et/ou lissage (10, 12) de la masse de traitement (14).
  6. Procédé selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que
    i) le profil d'arête (16, 16.2, 16v, 16h) prolongé temporairement est nettoyé (46) pour être débarrassé de la masse de traitement (14) appliquée ou bien celle-ci est de nouveau enlevée.
  7. Procédé selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que
    k) pour usiner un autre profil d'arête (6) de la pièce et/ou pour effectuer l'enduction d'un profil d'arête (6p) déjà usiné avec au moins une autre masse de traitement, au moins l'une des étapes opératoires a) à i) est répétée, au moins une fois.
  8. Procédé selon au moins l'une ou plusieurs des revendications précédentes, caractérisé en ce que l'usinage de la pièce (2) se fait en tant qu'usinage à passage continu, la pièce (2) étant déplacée dans une direction de passage (D) prédéterminée et passe par un ou plusieurs postes d'usinage (S1 à S8).
  9. Procédé selon la revendication 8, caractérisé en ce que le prolongement (16, 16.2, 16v, 16h) temporaire du profil d'arête (6) s'effectue pendant le déplacement de la pièce.
  10. Procédé selon la revendication 8 ou 9, caractérisé en ce que l'enlèvement du revêtement (16.4) et/ou du renforcement (16.4) temporaire de la zone d'arête non usinée ou du profil d'arête (6p), déjà usiné lors d'une étape opératoire précédente, de la pièce (2) s'effectue après application (8) et/ou le lissage (10, 12) de la masse de traitement (14), pendant le déplacement de la pièce (2).
  11. Procédé selon la revendication 10, caractérisé en ce que l'enlèvement du prolongement (16, 16.2, 16v, 16h) temporaire du profil d'arête s'effectue pendant le déplacement de la pièce (2).
  12. Dispositif d'usinage de pièce (2) pratiquement plate ou en forme de baguettes, en particulier en matériaux dérivés du bois ou analogue, avec au moins un profil d'arête (6) sensiblement allongé, sur lequel au moins une masse de traitement (14) est appliquée (8) puis lissée (10, 12), comprenant :
    au moins un dispositif de prolongement de profil d'arête (16, 16v, 16h), associé à la pièce (2), dispositif comportant un tronçon de prolongement de profil (16.2), dont la forme de profil coïncide sensiblement avec celle du profil d'arête (6) de la pièce (2).
  13. Dispositif selon la revendication 12, caractérisé en ce qu'il est réalisé sous forme de dispositif de traitement à passage en machine.
  14. Dispositif selon l'une des revendications 12 ou 13, caractérisé en ce qu'au moins une paire de dispositifs de prolongement de profil d'arête (16v, 16h) est prévue, dont l'une (16v) est associée à une extrémité avant et l'autre (16h) est associée à une extrémité arrière du profil d'arête (6) allongé de la pièce (2).
  15. Dispositif selon l'une des revendications 12 à 14, caractérisé en ce qu'au moins un dispositif de recouvrement et/ou de renforcement (16.4), est prévu pour effectuer le recouvrement et/ou le renforcement temporaire d'au moins une zone d'arête non usinée ou d'un profil d'arête (6p), déjà usiné lors d'une étape opératoire précédente, de la. pièce (2), zone ou profil délimitant le profil d'arête (6) usiné, à enduire de la masse de traitement (14).
  16. Dispositif selon la revendication 15, caractérisé en ce que le dispositif de recouvrement et/ou de renforcement (16.4) est intégré dans le dispositif de prolongement de profil d'arête (16).
  17. Dispositif selon la revendication 15 ou 16, caractérisé en ce que le dispositif de recouvrement et/ou de renforcement (16.4) présente une forme de profil de configuration complémentaire à la forme de profil d'arête (6) de la pièce (2) et/ou à la forme de profil du tronçon de prolongement de profil (16.2).
  18. Dispositif selon l'une ou plusieurs des revendications 12 à 17, caractérisé en ce que le dispositif de prolongement de profil d'arête (16) comprend au moins un tronçon de mise en appui (16.4), susceptible d'être mis en contact avec la pièce (2), qui présente une configuration complémentaire de la forme du profil d'arête (6) et/ou de la forme du tronçon de prolongement de profil (16.2) et s'étend selon un angle (β) par rapport au tronçon de prolongement de profil (16.2).
  19. Dispositif selon la revendication 18, caractérisé en ce que le tronçon de profil de mise en appui est réalisé séparément du dispositif de prolongement de profil d'arête (16).
  20. Dispositif selon la revendication 18 ou 19, caractérisé en ce que le tronçon de mise en appui (16.4) a une forme de profil complémentaire de la forme de profil d'arête (6) de la pièce (2) et/ou de la forme de profil du tronçon de prolongement de profil (16.2).
  21. Dispositif selon l'une ou plusieurs des revendications 12 à 20, caractérisé en ce que le dispositif de prolongement de profil d'arête (16, 16v, 16h) présente au moins un dispositif adaptateur (22) pour établir une liaison désolidarisée envers un dispositif de maintien (24.1) associé au dispositif de prolongement de profil d'arête (16, 16v, 16h).
  22. Dispositif selon l'une des revendications 12 à 21, caractérisé en ce que le dispositif de prolongement de profil d'arête (16, 16v, 16h) est déplaçable.
  23. Dispositif selon la revendication 22, caractérisé en ce que le dispositif de prolongement de profil d'arête (16, 16v, 16h) est disposé de façon déplaçable au moins le long de la direction de passage de pièce (D) et est déplaçable, conjointement (M, 28, 30) avec la pièce (2), au moins sur un tronçon partiel (PS - PE) de la piste de passage.
  24. Dispositif selon la revendication 22 ou 23, caractérisé en ce qu'un mécanisme de déplacement (M, 28, 30) est prévu pour effectuer le déplacement d'avancement et de rappel du dispositif de prolongement de profil d'arête (16, 16v, 16h), sur la section partielle (PS - PE) de la piste de passage.
  25. Dispositif selon une ou plusieurs des revendications 12 à 24, caractérisé en ce qu'au moins un mécanisme de fixation (24, 34) est prévu pour la fixation désolidarisable du dispositif de prolongement de profil d'arête (16, 16v, 16h) sur la pièce (2).
  26. Dispositif selon la revendication 25, caractérisé en ce que le mécanisme de fixation (24, 32, 34) est réalisé à la façon de griffes ou de pinces et, à l'état fermé, entoure la pièce (2) sur au moins deux côtés.
  27. Dispositif selon la revendication 25 ou 26, caractérisé en ce que le mécanisme de fixation (24, 32, 34) présente au moins un élément de fixation avant (24v) fermant dans la direction inverse de la direction de passage (D) et débloquant la fixation dans la direction de passage (D).
  28. Dispositif selon une ou plusieurs des revendications 25 à 27, caractérisé en ce que le mécanisme de fixation (24, 32, 34) présente au moins un élément de fixation arrière (24h) qui ferme dans la direction de passage (D) et débloque la fixation dans la direction inverse de la direction de passage (D).
  29. Dispositif selon l'une ou plusieurs des revendications 25 à 28, caractérisé en ce que le mécanisme de fixation (24, 32, 34) est disposé sur le mécanisme de mouvement (M, 28, 30) et est déplaçable conjointement avec celui-ci.
  30. Dispositif selon l'une ou plusieurs des revendications 12 à 29, caractérisé en ce que le dispositif de prolongement de profil d'arête (16v, 16h) est disposé de façon à pouvoir être franchi par la pièce (2) déplacée.
  31. Dispositif selon l'une ou plusieurs des revendications 12 à 30, caractérisé en ce que celui-ci comporte au moins un dispositif de remplacement (48) pour effectuer le remplacement du dispositif de prolongement de profil d'arête (16, 16v, 16h) contre un autre.
  32. Dispositif selon l'une ou plusieurs des revendications 12 à 31, caractérisé en ce que le dispositif de prolongement de profil d'arête (16, 16.2) et/ou le dispositif de recouvrement et/ou de renforcement (16.4) présente(nt) un revêtement anti-adhérence (44).
  33. Dispositif selon l'une ou plusieurs des revendications 12 à 32, caractérisé en ce qu'il comprend au moins un dispositif de nettoyage (46), associé au dispositif de prolongement de profil d'arête (16, 16v, 16h).
EP98945103A 1997-07-28 1998-07-28 Procede et dispositif pour l'usinage de pieces pratiquement planes ou en forme de baguettes, en particulier en materiaux derives du bois Expired - Lifetime EP0999925B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19732423A DE19732423C1 (de) 1997-07-28 1997-07-28 Verfahren und Vorrichtung zum Bearbeiten von im wesentlichen flächigen oder leistenförmigen Werkstücken, insbesondere aus Holzwerkstoffen
DE19732423 1997-07-28
PCT/EP1998/004715 WO1999004944A1 (fr) 1997-07-28 1998-07-28 Procede et dispositif pour l'usinage de pieces pratiquement planes ou en forme de baguettes, en particulier en materiaux derives du bois

Publications (2)

Publication Number Publication Date
EP0999925A1 EP0999925A1 (fr) 2000-05-17
EP0999925B1 true EP0999925B1 (fr) 2002-03-06

Family

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EP98945103A Expired - Lifetime EP0999925B1 (fr) 1997-07-28 1998-07-28 Procede et dispositif pour l'usinage de pieces pratiquement planes ou en forme de baguettes, en particulier en materiaux derives du bois

Country Status (5)

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EP (1) EP0999925B1 (fr)
AU (1) AU9255498A (fr)
DE (2) DE19732423C1 (fr)
ES (1) ES2174487T3 (fr)
WO (1) WO1999004944A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE202008013808U1 (de) * 2008-12-02 2010-04-15 Schröder, Jürgen Beschichtungsanlage für Leisten u.dgl.

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Publication number Priority date Publication date Assignee Title
DE19907939C1 (de) * 1999-02-24 2000-05-31 Homag Maschinenbau Ag Durchlaufverfahren und Vorrichtung zum Anbringen eines Beschichtungsmaterials an porösen Schmalseiten von Werkstücken
DE10011207C2 (de) * 2000-03-08 2002-11-07 Kuper Heinrich Gmbh Co Kg Verfahren und Vorrichtung zum Querverleimen von Furnierstreifen
DE102009041928B4 (de) 2009-09-17 2012-03-29 Ima Klessmann Gmbh Holzbearbeitungssysteme Verfahren zur Oberflächenglättung und Vorrichtung zur Flächenkaschierung
US8480835B2 (en) 2010-09-03 2013-07-09 The Diller Corporation Apparatus and method to manufacture shaped counter top edges for custom counter tops

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DD29705A1 (de) * 1961-03-20 1964-07-25 Alfred Hahn Verfahren zur zonalen verfestigung von porösen platten oder formkörpern, insbesondere von spanplatten
CH505687A (de) * 1967-03-11 1971-04-15 Harder Paul Verfahren und Vorrichtung zur Behandlung von Spanholzplatten und nach dem Verfahren behandelte Spanholzplatte
BR7208809D0 (pt) * 1972-12-13 1974-08-15 Hobjeto Ind E Comercio De Move Madeira aglomeradas compensadas e produtos resultantes processo para encabecamento intimo de bordos de placas de
US4197078A (en) * 1977-11-03 1980-04-08 Masonite Corporation Apparatus for edge treatment for fibreboard panels and the like
US5085891A (en) * 1990-07-16 1992-02-04 Nordson Corporation Edge sealing apparatus and method
DE4028166A1 (de) * 1990-09-05 1992-03-12 Reppisch Werke Ag Verfahren und vorrichtung zum verfestigen von spanplatten im kantenbereich
DE19518925A1 (de) * 1995-05-23 1996-11-28 Homag Maschinenbau Ag Verfahren und Vorrichtung zur Durchlauf-Bearbeitung von im wesentlichen flächigen oder leistenförmigen Werkstücken aus offenporigen Holzwerkstoffen und dergleichen im Kantenbereich

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008013808U1 (de) * 2008-12-02 2010-04-15 Schröder, Jürgen Beschichtungsanlage für Leisten u.dgl.

Also Published As

Publication number Publication date
WO1999004944A1 (fr) 1999-02-04
DE59803294D1 (de) 2002-04-11
DE19732423C1 (de) 1999-03-04
ES2174487T3 (es) 2002-11-01
AU9255498A (en) 1999-02-16
EP0999925A1 (fr) 2000-05-17

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