WO2009015787A1 - Machine à fraiser sur une face et unité d'alésage à utiliser avec une telle machine - Google Patents

Machine à fraiser sur une face et unité d'alésage à utiliser avec une telle machine Download PDF

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Publication number
WO2009015787A1
WO2009015787A1 PCT/EP2008/005896 EP2008005896W WO2009015787A1 WO 2009015787 A1 WO2009015787 A1 WO 2009015787A1 EP 2008005896 W EP2008005896 W EP 2008005896W WO 2009015787 A1 WO2009015787 A1 WO 2009015787A1
Authority
WO
WIPO (PCT)
Prior art keywords
drilling unit
molding machine
drilling
tool
workpiece
Prior art date
Application number
PCT/EP2008/005896
Other languages
German (de)
English (en)
Inventor
Englert Heinrich
Original Assignee
Michael Weinig Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Michael Weinig Ag filed Critical Michael Weinig Ag
Priority to EP08784876A priority Critical patent/EP2185330A1/fr
Publication of WO2009015787A1 publication Critical patent/WO2009015787A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C1/00—Machines for producing flat surfaces, e.g. by rotary cutters; Equipment therefor
    • B27C1/08—Machines for working several sides of work simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C3/00—Drilling machines or drilling devices; Equipment therefor

Definitions

  • the invention relates to a molding machine according to the preamble of claim 1 or 10 and a drilling unit for use in a molding machine according to the preamble of claim 11 and 21st
  • the workpieces are successively supplied to different tools with which the workpieces are straight-planed or longitudinally profiled on the longitudinal sides extending in the transport direction.
  • the thus processed workpieces are used for example in furniture or for window or door frames.
  • holes must be made in the workpieces to be able to attach handles, hinges and the like in them. This is done today on or with another machine. Machining the workpieces on two machines in two operations is time consuming and expensive. In addition, appropriate space is required for the two machines.
  • the invention has the object of providing the generic molding machine and the generic drilling unit in such a way that at low design cost bores in the workpieces can be easily and accurately introduced.
  • At least one of the spindles of the molding machine according to the invention has a tool holder in which normal planing or profile milling tools for planing or milling machining are accommodated and into which the drilling unit can be loaded.
  • a tool holder in which normal planing or profile milling tools for planing or milling machining are accommodated and into which the drilling unit can be loaded.
  • the drilling unit is part of the molding machine. Therefore, the drilling unit does not need to be replaced first, but is immediately available.
  • the drilling unit according to the invention according to claim 11 has the clamping part, with which it can be clamped in a tool holder.
  • the tool holder serves as a holder for the drilling unit, for which therefore no additional independent holder is necessary.
  • the drilling unit according to the invention is used according to claim 21 in a molding machine.
  • the drilling unit can be used as an integral part or as a replaceable part of the molding machine. If the drilling unit is an integral part of the moulder, then the drilling unit is always available for a corresponding drilling task in the throat moulder. machine available. In another advantageous embodiment, it is possible to use the drilling unit as a replaceable part of the moulder. In this case, the drilling unit is then replaced in the moulder, if appropriate holes are to be made on the workpiece.
  • FIG. 1 is a perspective view of a molding machine according to the invention
  • FIG. 3 shows the molding machine according to FIG. 1, on which a short workpiece is longitudinally machined on a second feed unit, FIG.
  • FIG. 4 is an enlarged and perspective view of a part of the molding machine according to the invention with a drilling unit according to the invention
  • FIG. 5 shows the part of the molding machine according to FIG. 4 in oblique front view
  • FIG. 6 the drilling unit according to FIGS. 4 and 5 in a pivoted position for producing frontal holes in the workpiece.
  • the molding machine has a frame 1, on which a support table 2 for the workpieces 3 to be machined is located.
  • the support table 2 is at its in the transport direction of the workpieces 3 through the moulder right side provided with a stop rule 4, against which the workpieces 3 in their transport through the molding machine.
  • a feed unit 5 is provided which has a carrier 6, which is arranged in the region above the support table 2 and carries feed motors 7 for feed rollers 8. They rest on the workpiece 3 and transport it through the molding machine.
  • the workpiece 3 is processed during its passage on its four sides by appropriate tools.
  • the workpiece 3 is processed with a tool sitting on a lower horizontal spindle 9 while passing through the molding machine.
  • the sitting on this spindle 9 tool is usually a planing tool.
  • a vertical right-hand spindle 10 At a distance behind the lower spindle 9 is a vertical right-hand spindle 10, on which a tool is seated, with which the right longitudinal side of the workpiece 3 in the feed direction is machined.
  • the molding machine is provided with a vertical left spindle 1 1, on which a tool sits, with the left in the feed direction of the longitudinal direction of the workpiece 3 is processed during the passage.
  • the left spindle 1 1 is located in a suction hood 12, with which the resulting chips during processing are sucked in a known manner.
  • an upper horizontal spindle 13 is provided in the feed direction behind the Lssensprofilierspindeln 10, 11, which is located under a further suction hood 14 and on which a corresponding tool, such as a planing tool sitting.
  • a further horizontal lower spindle 9 ' is located in the feed direction behind the upper horizontal spindle 13, a further horizontal lower spindle 9 '.
  • the tool piece 3 is thus processed in its passage through the machine by the on the spindles 9 to 11 and 13, 9 'sitting tools on the top and bottom and on the right and left longitudinal side.
  • the support table 2 consists essentially of two parts, of which the first part in front of the lower spindle 9 for adjusting the chip removal on the workpiece 3 is height adjustable.
  • the stop rule 4 is also in Essentially of two parts 4 ', 4 ", of which the part 4' in front of the right vertical spindle 10 is adjustable in order to set the chip removal in a horizontal plane.
  • the moulder With the moulder, it is possible in a simple manner to provide not only the described longitudinal processing, but also an end-to-end transverse machining and bores on the workpiece 3.
  • the moulder is provided with a further feed unit 15, which is in a rest position during the longitudinal processing of the workpiece.
  • the feed unit 15 is located behind a front panel 16 (FIG. 2). From the rest position, the feed unit 15 can be pivoted into the working position shown in FIG. 2, in which the front sides of the workpiece 3 can be processed with it.
  • the front panel 16 has a lower panel 17 which extends the length of the molding machine and is substantially plate-shaped. To the cowling 17 connects up to an operating page 18 at which the necessary to operate the moulder actuators, switches, levers and the like are located.
  • the feed unit 15 is pivotable about a horizontal axis 25 between the rest and the working position.
  • the axle 25 is provided on side plates 26 fixed to the machine frame 1 and located behind a side panel (not shown) of the machine.
  • the trim panel 17 of the front panel 16 is previously pivoted away about a horizontal axis 27 at the lower edge (FIG. 2) so that the feed unit 15 can be pivoted upwards past the trim panel 17.
  • the feed unit 15 is pushed back so far after pivoting against the force of (not shown) adjusting cylinders or weight compensation elements, such as gas springs until it rests on the machine frame and can be locked on this.
  • the feed unit 15 has a support table 28, whose upper side forms a working plane 29.
  • the Support table 28 is moved on the feed unit 15 along two guides 30, 31 in the transverse processing of the workpiece 3.
  • the guides 30, 31 extend parallel to the feed direction of the workpieces 3 in the longitudinal profiling.
  • the guides 30, 31 are advantageous ball guides with which the support table 28 can be moved smoothly.
  • the workpiece 3 is clamped on the support table 28.
  • a corresponding clamping device 32 is provided on the support table 28.
  • the support table 28 can be moved by hand, by motor or by means of an auxiliary device during the transverse machining of the workpiece 3 along the guides 30, 31.
  • the molding machine In a motor drive, the molding machine is provided with a corresponding controllable axis.
  • a workpiece system 33 is provided, on which the workpiece 3 rests in the transverse machining.
  • the workpiece system 33 can be pivoted relative to the feed direction of the support table 28.
  • the workpiece fixture 33 extends perpendicular to the feed direction of the workpiece 3 in the longitudinal profiling.
  • With a lock 34 the workpiece system 33 is secured in position on the support table 28.
  • the workpiece system 33 is firmly connected to the lock 34.
  • the support table 28 is provided on its upper side with a part-circular recess 35 (Fig. 3), in which the lock 34 is adjustable at a corresponding pivot angle of the workpiece system 33.
  • the left vertical spindle 1 1 is placed in a fixed position with respect to the stop ruler part 4 "taking into account the circle of the tool seated on it
  • the stop ruler part 4" forms the horizontal reference point of the molding machine.
  • the workpieces 3 are adjusted by a stop (not shown) which is preferably adjustable with respect to this reference point and thus with respect to the spindle 11 and the transverse machining tool.
  • This positioning can also be done optically, preferably with the aid of a laser beam projected onto the workpiece 3.
  • the laser is also adjusted with respect to the machine-fixed part 4 "of the stop rule 4.
  • the suction hood 12 assigned to the left-hand spindle 1 1 is converted, so that the tool seated on the spindle 11 can machine the end face of the workpiece 3.
  • the support table 28 with the clamped workpiece 3 is guided along the guides 30, 31 on the seated on the spindle 1 1 tool that processes the corresponding end face of the workpiece 3.
  • the workpiece system 33 and the (not shown) stop the workpiece 3 can be precisely aligned for this cross-processing and clamped by means of the clamping device 32.
  • the workpiece system 33 has been pivoted so far forward in the feed direction that it extends in the feed direction of the support table 28 and thus parallel to the stop rule 4.
  • the workpiece 3 is clamped with the clamping device 32 on the support table 28 and has only a small length.
  • the workpiece 3 may be shorter than the distance of the transport rollers 8 from each other. Since the workpiece system 33 extends in the feed direction of the support table 28, the longitudinal side of the workpiece 3 is processed by the seated on the left spindle 11 tool during feed.
  • the feed unit 15 which is provided in and of itself for the transverse processing of the workpieces 3, a longitudinal processing of the workpieces is possible in this case.
  • the spindle 1 1 is in this case in the feed direction of the workpiece 3 on the right side and processed accordingly the right side of the workpiece.
  • the support table 28 can in turn be moved by manual feed, by motor or by means of the feed auxiliary device 36.
  • the feed auxiliary device 36 is used to advance the support table 28, which is actuated by means of the transport rollers 8 in the manner described below.
  • the auxiliary device 36 has approximately H-shape, with a bar 37 which extends in the transport direction of the support table 28 and is fixed with its one end on the support table 28.
  • the auxiliary device 36 is provided with a further strip 38 which is displaced on the support table 2 resting.
  • the two strips 37, 38 are connected by a bar 39 lying perpendicular to them.
  • the strip 38 is displaced so far along the stop rule 4 until it is detected by the feed rollers 8. With them, the entire auxiliary device 36 is then transported in the feed direction.
  • the cross bar 39 is fixed to the bar 38, but releasably connected to the bar 37. This makes it possible to adjust the cross bar 39 and the bar 38 in the feed direction relative to the bar 37 so that the transport rollers 8 detect the bar 38 at different widths of the workpieces 3 and thus on the auxiliary device 36 the support table 28 with the clamped workpiece 3 in Can move feed direction.
  • the cross bar 39 can be clamped in any position on the bar 37. Since the cross bar 39 can be moved continuously along the bar 37, a precise adjustment of the machine is guaranteed on the transversely machined workpieces 3.
  • the strip 38 is made of plastic, so that the feed rollers 8 and the support table 2 are not damaged or wear out prematurely.
  • the auxiliary device 36 can be easily attached to the bar 37 on the support table 28 and removed from him again.
  • the position of the workpiece system 33 according to FIG. 3 is intended for short workpieces or for difficult to transport workpieces.
  • the workpiece system 33 extends in the feed direction of the workpiece 3, which is longitudinally profiled.
  • the workpiece 3 can also be drilled with a drilling unit 40. It is clamped in a tool holder 41 of the vertical spindle 11, in which otherwise the tool of the vertical spindle 1 1 is located. It is removed when using the drilling unit 40 from the tool holder 41, which is advantageously a HSK tool holder.
  • the drilling unit 40 is clamped in the tool holder 41 in a conventional manner.
  • the rotation lock 42 is formed by at least one axial projection 42 of a spindle sleeve 43 of the spindle 11.
  • the projection 42 engages in a recess 44 of a securing tab 45, which is attached to the lower end of a U-shaped receptacle 50 of the drilling unit 40.
  • a stand 46 has two mutually parallel legs 47, 48 which are interconnected by at least one transverse strut 49.
  • the two legs 47, 48 which extend approximately over an angular range of 90 °, lie with their lower end in the U-shaped receptacle 50, on the underside of which is clamped in the tool holder 41 clamping part, preferably the HSK cone, is provided ,
  • the receptacle 50 has the two parallel to each other and to the feed direction of the support table 28 lying legs 51, 52 which are interconnected by a bottom 53.
  • the legs 47, 48 of the stand 46 are perpendicular to the legs 51, 52 of the receptacle 50.
  • the stand 46 is pivotable about a horizontal axis 54 relative to the receptacle 50.
  • the pivot axis 54 is perpendicular to the feed direction of the support table 28 and to the legs 51, 52 of the receptacle 50th
  • a support 56 is pivotally mounted about a horizontal axis 55.
  • a drilling unit 57 is provided, which has three drilling tools 58 to 60 in the embodiment. Their axes of rotation are parallel to each other.
  • the drilling tools can be of the same design but, as can be seen by way of example in FIGS. 4 to 6, can also be designed differently, depending on the one to be fulfilled Drilling task.
  • the drilling tools 58 to 60 are perpendicular to the top of the workpiece 3.
  • the drilling tools 58 to 60 have a common drive 61 which is mounted on the carrier 56.
  • the axis of the drive 61 is parallel to the axes of rotation of the drilling tools 58 to 60, so that a trouble-free drive of the drilling tools is possible.
  • the carrier 56 has a support part 62, through which a drive shaft 63 of the drive 61 projects (FIG. 5).
  • the drive shaft 63 protrudes into a transmission housing 64, in which the drive shaft 63 via the gear with the drilling tools 58 to 60 are drivingly connected.
  • the drive 61 with the drilling unit 57 can be displaced in the axial direction of the drilling tools relative to the carrier 56 during the drilling process.
  • a handle 65 is provided which serves as a drilling operation.
  • the handle 65 has two mutually parallel legs 66, 67, which are connected at the free end about an axis 68 pivotally connected to a connecting element 69 of the carrier 56. At the other end, the two legs 66, 67 connected by a handle 70 with each other.
  • the legs 66, 67 are pivotally connected to the drive 61.
  • the legs 66, 67 extend on both sides of the drive 61 and are connected to the drive 61 about an axis 71 lying parallel to the pivot axis 68.
  • the handle 65 is directed obliquely upward (FIG. 4), whereby the drilling tools 58 to 60 are at a distance above the workpiece 3.
  • the handle 65 is pivoted on the handle 70 about the axis 68 down.
  • the drilling tools 58 to 60 introduce the corresponding holes in the top of the workpiece 3.
  • At least one guide rod 72 is provided with at least one compression spring, which is supported on the support member 62 and connected to a drive 61 surrounding the support plate 73.
  • the guide rod 72 is formed so that it the handle 65 in the direction of the in Fig. 3 loaded starting position loaded. For the drilling operation, the handle 65 must be moved against the force of the guide rod 72 down.
  • the carrier 56 can be pivoted about the axis 55 relative to the stator 46.
  • the drilling tools 58 to 60 can be set in a variety of layers, so that the holes can be mounted in different positions and positions in the workpiece 3. In the position shown in FIGS. 4 and 5, the axes of rotation of the drilling tools 58 to 60 are vertical. In this case, the corresponding holes are introduced in the drilling tools facing side of the workpiece 3.
  • Fig. 6 shows the drilling unit 40 in a pivoted position.
  • the stand 46 has been pivoted about the axis 54 relative to the receptacle 50 down into a horizontal position.
  • the carrier 56 has retained its position with respect to the stator 46.
  • the drilling tools of the drilling unit 57 are horizontal and extend in the feed direction of the support table 28. With the drilling tools 3 holes can be introduced in this position in the end face 74 of the workpiece.
  • the handle 65 With the handle 65, the drilling unit is pivoted against the force of the compression spring of the guide rod 72, whereby the drive 61 is moved together with the drilling unit 57 against the end face 74 of the workpiece 3.
  • the drilling tools 58 to 60 can be set in an inclined position relative to the workpiece 3.
  • the support 56 can be adjusted relative to the stand 46 in intermediate layers by a plug pin 77, which is provided on the stand 46, through openings 78 in the support member 62 of the support 56 is inserted.
  • the stand 46 can differ in its union pivoting positions on the receptacle 50 are locked by means of a plug pin 79.
  • the drilling tools 58 to 60 can be easily adjusted to the desired positions relative to the workpiece 3.
  • Fig. 4 also shows a tool holder 75 for the right spindle 10 of the molding machine.
  • a drilling unit can be used in the same way as in the tool holder 41.
  • the tool holder 75 is like the tool holder 41 advantageously a HSK recording, with a rapid tool change is possible.
  • the remaining spindles of the molding machine are conventional spindles in the embodiment, i. they have no HSK tool holder.
  • the tools are clamped here on a mandrel of the spindle.
  • the right spindle could also be such a conventional spindle.
  • the spindles with the HSK tool holder in the exemplary embodiment, the left spindle 10 and the right spindle 11, consist in a known manner substantially from the spindle sleeve 43 and a rotatably mounted in this spindle shaft 80, in which the tool holder 41, 75 and a HSK Clamping system is integrated.
  • the drilling unit 40 can be easily clamped and released in the tool holder 41 with the aid of a release unit 76, as shown in FIG. 6 for the tool holder 75.
  • a release unit 76 Such dissolution units 76 are known and are therefore not explained in detail. Since a rapid tool change is possible by means of the release unit 76, the moulder can be used universally. It can thus not only edit the workpieces 3 in a continuous process on all sides, but by a quick and easy tool change can be with the drilling unit 40 on the workpiece 3 required holes in a short time with high accuracy.
  • the drilling unit 40 by means of rotation against rotation and accurately positioned with the spindle sleeve 43 is connected.
  • the respective spindle axis as positioning axis. In this case, a mechanical rotation is not required.
  • the drilling unit 57 does not necessarily have to be pivotable about the two axes 54, 55 lying at right angles to one another. It is also possible to set the workpiece 3 in different position with respect to the drilling tools 58-60.
  • the holes in the workpiece 3 can be introduced by the drilling unit 40 at the desired location, a drilling template is advantageously used, which is held by hand to the workpiece.
  • the workpiece 3 can also be drilled quickly and accurately at the desired location by being clamped in a defined position on the support table 28 on the workpiece system 33 and a longitudinal stop, not shown.
  • the support table 28 can be positioned longitudinally, that is to say in the feed direction, for example in conjunction with a displacement measuring system; the drilling unit can be adjusted axially back and forth and perpendicular thereto axially up and down on the adjustment of the spindle transverse to the feed direction of the workpiece.
  • Such a type of positioning is known and is therefore not explained in detail. This allows the position of the holes to be set and set exactly.
  • the drilling unit 40 is also possible to provide the drilling unit 40 as an integral part of the molding machine. Then, the drilling unit 40 does not need to be changed when holes are to be attached to the workpiece 1.
  • the Drilling unit 40 is provided in this case that it does not hinder the other operations on the workpiece 1.

Abstract

L'invention concerne une machine à fraiser sur une face comprenant une voie de transport sur laquelle des pièces (3) peuvent se déplacer devant des outils, le long d'une butée, au moyen d'une unité d'avance, lesquelles pièces siégeant sur des broches horizontales et verticales. L'unité d'alésage (40) à utiliser avec la machine à fraiser sur une face comprend un outil d'alésage entraîné rotatif par un dispositif d'entraînement. Afin de concevoir une machine à fraiser sur une face et une unité d'alésage permettant d'introduire sans grande complexité technique des alésages dans les pièces (3) avec facilité et précision, une unité d'alésage (40) est montée de manière interchangeable dans la machine à fraiser sur une face. L'unité d'alésage (40) comprend une partie de serrage conçue pour être serrée dans l'unité de réception d'outil (41, 75). Comme l'unité d'alésage (40) peut être montée de manière interchangeable dans la machine à fraiser sur une face, il n'est pas nécessaire de recourrir à une machine autonome dans l'unité d'alésage. La machine à fraiser sur une face et l'unité d'alésage sont conçues pour usiner des pièces (3) en bois, en plastique et analogues.
PCT/EP2008/005896 2007-08-02 2008-07-18 Machine à fraiser sur une face et unité d'alésage à utiliser avec une telle machine WO2009015787A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08784876A EP2185330A1 (fr) 2007-08-02 2008-07-18 Machine à fraiser sur une face et unité d'alésage à utiliser avec une telle machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710038112 DE102007038112A1 (de) 2007-08-02 2007-08-02 Kehlmaschine und Bohraggregat zur Verwendung bei einer Kehlmaschine
DE102007038112.5 2007-08-02

Publications (1)

Publication Number Publication Date
WO2009015787A1 true WO2009015787A1 (fr) 2009-02-05

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ID=39816754

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/005896 WO2009015787A1 (fr) 2007-08-02 2008-07-18 Machine à fraiser sur une face et unité d'alésage à utiliser avec une telle machine

Country Status (5)

Country Link
EP (1) EP2185330A1 (fr)
AR (1) AR067717A1 (fr)
DE (1) DE102007038112A1 (fr)
TW (1) TW200914227A (fr)
WO (1) WO2009015787A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011009548A1 (de) * 2011-01-19 2012-07-19 Michael Weinig Ag Maschine zum Bearbeiten von Werkstücken aus Holz, Kunststoff und dergleichen
CN106271843B (zh) * 2016-10-14 2019-02-22 曾德明 一种单工位夹料式自动送料装置
CN110978144A (zh) * 2019-12-07 2020-04-10 芜湖职业技术学院 一种木质礼盒打孔装置
CN112917608A (zh) * 2021-01-26 2021-06-08 邓红梅 一种家具生产用木板钻孔设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0924037A2 (fr) * 1997-12-18 1999-06-23 Michael Weinig Aktiengesellschaft Moulurière
EP1281491A2 (fr) * 2001-08-02 2003-02-05 Michael Weinig Aktiengesellschaft Dispositif et procédé pour travailler des pièces à usiner en bois, plastique ou similaires
DE202004019777U1 (de) * 2004-12-22 2005-02-24 Deckel Maho Pfronten Gmbh Bearbeitungseinheit für eine Fräs- und Bohrmaschine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19516263A1 (de) * 1995-04-27 1996-10-31 Baljer & Zembrod CNC-gesteuerte Holzbearbeitungsanlage, insbesondere für lange Werkstücke wie Balken

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0924037A2 (fr) * 1997-12-18 1999-06-23 Michael Weinig Aktiengesellschaft Moulurière
EP1281491A2 (fr) * 2001-08-02 2003-02-05 Michael Weinig Aktiengesellschaft Dispositif et procédé pour travailler des pièces à usiner en bois, plastique ou similaires
DE202004019777U1 (de) * 2004-12-22 2005-02-24 Deckel Maho Pfronten Gmbh Bearbeitungseinheit für eine Fräs- und Bohrmaschine

Also Published As

Publication number Publication date
EP2185330A1 (fr) 2010-05-19
AR067717A1 (es) 2009-10-21
DE102007038112A1 (de) 2009-02-05
TW200914227A (en) 2009-04-01

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