EP1844901B1 - Système de fixation et adaptateur de fixation - Google Patents

Système de fixation et adaptateur de fixation Download PDF

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Publication number
EP1844901B1
EP1844901B1 EP07004675A EP07004675A EP1844901B1 EP 1844901 B1 EP1844901 B1 EP 1844901B1 EP 07004675 A EP07004675 A EP 07004675A EP 07004675 A EP07004675 A EP 07004675A EP 1844901 B1 EP1844901 B1 EP 1844901B1
Authority
EP
European Patent Office
Prior art keywords
fastening
fins
adapter
tool
cylindrical
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
EP07004675A
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German (de)
English (en)
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EP1844901A1 (fr
Inventor
Gerd Eisenblätter
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.)
Gerd Eisenblaetter GmbH
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Gerd Eisenblaetter GmbH
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 Gerd Eisenblaetter GmbH filed Critical Gerd Eisenblaetter GmbH
Publication of EP1844901A1 publication Critical patent/EP1844901A1/fr
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Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D9/00—Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
    • B24D9/02—Expansible drums for carrying flexible material in tubular form, e.g. expanded by centrifugal force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/20—Mountings for the wheels

Definitions

  • the invention relates to a fastening system for mounting cylindrical tools on a drive shaft of a drive machine according to the preamble of claim 1 and a mounting adapter for mounting roller-shaped tools according to the preamble of claim 10.
  • roller-shaped tools are, for example, surface treatment tools, such as grinding or polishing rollers.
  • Such tools are usually driven by a prime mover, such as a surface or longitudinal grinder, via a rotating drive shaft.
  • the term tool roll is alternatively used for a cylindrical tool.
  • the drive shafts of different machines often differ in diameter.
  • the grinding member consists of a metal carrier having axially distributed slots over the entire circumference, which are produced by cutting and bending one or both slot edges. Grinding blades are held in place by clamping in the slots, the clamping being effected by bending back the slot edge (s).
  • the cross section of the cuts in the roll body is formed arcuate.
  • the carrier consists of a cylindrical base body, which can be mounted via a passage opening on a drive shaft and from which elastic lamellae.
  • the lamellae are tilted relative to the radial direction, so that they straighten up during a rotation of the support roller and thereby the support roller is increased in its circumference.
  • An idle loosely attached abrasive tape sleeve is clamped during operation by the established slats and held.
  • the slats are tilted counter to the direction of movement, so that they yield at a contact pressure of the tool on a workpiece and the tool can adapt to the surface of the workpiece.
  • a similarly constructed grinding wheel, with which flexible abrasive belt rings can be clamped, is out of the DE 82 02 243 U1 known.
  • An inventive fastening system comprises a mounting adapter, with the aid of a roller-shaped tool can be mounted on a drive shaft of a drive machine.
  • a fastening adapter according to the invention comprises a hollow-cylindrical basic body which has a fastening device for mounting on the drive shaft in the interior and from which a plurality of lamellae spaced apart from one another extend outwards around the cylinder axis. The lamellae are tilted in their direction perpendicular to the cylinder axis in each case by a predetermined angle relative to the radial direction.
  • the outer diameter of the fastening adapter By exerting pressure or the action of a shearing force in the direction of the tilting on the lamellae, the outer diameter of the fastening adapter can be elastically reduced.
  • the compression of the mounting adapter is done essentially by the fact that the cavities between the slats, more precisely, the slots are reduced. Depending on the material of the slats but can also be involved in a compression of the slats themselves.
  • the lamellae of the mounting adapter are made of an elastic material.
  • an elastic material such is for example rubber or polyurethane with a preferred hardness between 60 and 100 Shore. This hardness range is particularly advantageous for avoiding disturbing vibrations. If the entire slats are made of an elastic material, so improve the compression properties of the mounting adapter. On the other hand, the expansion caused by centrifugal force during operation is also facilitated.
  • the stable support of the tool roll on the mounting adapter prevents slippage of the tool roll on the mounting adapter. In addition, this vibration of the tool can be avoided, which may leave behind unwanted chatter marks on the grinding surfaces under certain circumstances.
  • a roller-shaped tool according to the invention has a rigid, cylindrical passage opening for the fastening adapter, whose inner diameter is smaller than that of the relaxed fastening adapter.
  • the difference in diameter can be on the order of less than 1 mm, while the diameters themselves are preferably in the range of a few centimeters, approximately between 3 and 7 cm.
  • the inner diameter of the passage opening of the tool roll 44.75 mm, while the outer diameter of the relaxed mounting adapter is preferably 45 mm.
  • the length of the mounting adapter is preferably between 80 mm and 100 mm, particularly preferably 90 mm. This length corresponds favorably also the length of the tool roll.
  • the elastic deformability of the mounting adapter allows easy mounting of the tool roll on it. For this, the mounting adapter is first compressed, then inserted into the passage opening of the tool roll, to expand there again until it is stuck in the press fit.
  • Suitable roller-shaped tools are, for example, mop wheels, fleece wheels or other grinding or polishing tools for surface treatment. They generally have a cylindrical basic shape. But this is not necessary in principle. There are also barrel-shaped or otherwise profiled rollers conceivable.
  • the cylindrical tools of the fastening system according to the invention have a cylindrical passage opening. This passage opening is rigid, so that its circular cross-section is substantially maintained even under load.
  • the passage opening of the tool roll is formed by a rigid tube with a circular cross-section.
  • This tube then carries the actual tool material.
  • the pipe may for example consist of a plastic such as PVC or ABS, a composite material such as Pertinax® or epoxy resin, or metal, such as aluminum or steel.
  • This tube forms the rigid passage opening of the tool roll, while the actual tool material is arranged around the outside of the pipe and is supported by this.
  • this tool material may be, for example, an abrasive material in the form of pressed abrasive particles, abrasive lamellae, a layer of polishing fleece or the like.
  • the fastening adapter is compressed according to the invention, as described above, by pressure or the action of a shearing force on the blades and inserted into the passage opening of the tool roll.
  • the shearing force on the lamella ends can be exerted by enclosing the fastening adapter with a twist, for example.
  • the encompassing can be done manually. But it is also a machine solution conceivable.
  • the mounting adapter For driving the mounting adapter through the drive shaft, the mounting adapter in turn is equipped with a passage opening and a fastening device for the drive shaft. Diameter of the passage opening and the special fastening device are adapted to the drive shaft to be used. Possible embodiments of the fastening device are here, for example, an internal thread or a double groove, in which a corresponding drive shaft can engage. Basically, all known variants of rotationally fixed shaft-hub connections are suitable for this purpose. According to a preferred embodiment of the invention, however, the fastening device is an internal thread. Suitable standard threads are for example M10 thread, M14 thread or 5/8 "thread.
  • the tool roll rotates with the mounting adapter driven by the drive shaft. Due to the rotation, an outwardly directed centrifugal force additionally acts on the tilted and stressed lamellae. This increases the pressure of the lamellae on the inner wall of the passage opening. This increases the friction between the fin ends and the passage opening.
  • the holder of the tool on the mounting adapter is stabilized.
  • the lamellae are also designed so that they have the smallest cross-section at their point of attachment to the hollow cylindrical body.
  • lamellae made of a uniform elastic material, this has the consequence that the lamellae bend on the one hand for compression, on the other hand also for expansion, preferably at this attachment point. It is thus formed, so to speak, an elastic joint.
  • the lamellae are also preferably configured such that in the relaxed state of the mounting adapter, the outer ends of all the lamellae together form a cylinder jacket surface interrupted by slots. Relaxed state here means that the mounting adapter is at rest and no pressure or force acts on him. This preferred embodiment of the fin ends causes a particularly good concern of the fin ends in the passage opening of the cylindrical tool.
  • the contact surface between the fin ends and tool roll is then particularly large. This improves the friction between the mounting adapter and the tool roller.
  • the preferred shape of the lamellae with the smallest cross-section at the point of attachment and outer ends, which taken together form a cylinder jacket surface, can be realized by dividing the lamellae by slits each having parallel boundary walls. This shape is obtained by cutting uniform slots of constant width into a hollow cylindrical body. In the description of the figures, reference will be made to this in more detail.
  • fastening adapter in a preferred embodiment of the fastening adapter according to the invention whose peripheral edge is taken on at least one of its end faces. This facilitates the insertion of the mounting adapter in the passage opening of the cylindrical tool.
  • the fastening adapter on its front side which faces the drive machine during operation, extends cylindrically around the center with the fastening device.
  • a cylindrical projection is formed from which no lamellae go out.
  • a tool roller is pushed over the mounting adapter only so far during assembly that the cylindrical projection still sticks out.
  • the cylindrical projection then serves as a spacer between the drive machine and the tool roll.
  • the fastening device in the passage opening of the fastening adapter expediently continues in this extension.
  • the entire attachment adapter may be constructed such that the attachment device and the passage opening are located in a cylindrical metal core around which the lamellae are made of an elastic material.
  • the cylindrical protrusion may be formed simply by a metal core elongated with respect to the slats.
  • a mounting adapter on the drive shaft of a drive machine may be provided with a threaded pin in a preferred embodiment in the cylindrical projection an internal thread for a threaded pin.
  • a screw from the tube to the drive shaft can be realized, which acts independently of the rotation of the shaft and thus regardless of the degree of attachment of the mounting adapter, whereby the mounting adapter and the tool are additionally fixed.
  • the grub screw is then conveniently mounted laterally in the cylindrical projection.
  • the fastening adapter has a stop ring for the tool roll on its end facing the drive machine.
  • This stop ring consists of the material of the slats and is made in one piece with the slats.
  • the mounting adapter with a cylindrical projection of the stop ring is suitably arranged between the supernatant and the slats at the end of the slats.
  • the outer diameter of the stop ring is greater than the inner diameter of the passage opening in the tool roll and less than or equal to the outer diameter.
  • stop ring is formed of an elastic material, it is not compressible to the extent that the tool roll could be pushed over it.
  • the stop ring provides a stop for the tool roll and serves as a spacer to the drive machine.
  • the solution of the object of the invention also succeeds with a mounting adapter for use in a fastening system, as described above.
  • a fastening adapter 10 comprises a hollow-cylindrical basic body 11, from which lamellae 15 originate.
  • the slats 15 and the hollow cylindrical base body 11 may be made of one piece or assembled.
  • the fins 15 are separated by slots 14. Both the slots 14 and the fins 15 are compared to the radial direction by a predetermined angle ⁇ ( Fig. 2 ) tilted.
  • the cross-sectional shape of the fins 15 is determined by the cross-sectional shape of the slots 14 therebetween.
  • the slots 14 are configured as channels with approximately trapezoidal cross-section, wherein the two boundary surfaces are parallel to the adjacent blades 15.
  • the spaces are formed as slots 14 of constant width. Accordingly, the cross section of the fins 15 is similar to that of a circular sector, which becomes wider with increasing radius.
  • the fins 15 are thus cylinder sectors, which are arranged tilted from the radial direction.
  • the tilt angle ⁇ can be defined differently. Depending on the definition and reference point, it then assumes different values. The values may vary in the range of about 15 ° to 90 °, depending on the definition. However, all fins 15 are tilted objectively under the same angle with respect to their respective radial direction.
  • the mounting adapter 10 also has a preferred operating direction, which in Fig. 2 indicated by the arrow 20.
  • the fins 15 are tilted in the preferred operating direction 20 from its radial direction.
  • a braking of the lamella ends caused by friction between the tool roll and mounting cylinder counteracts the tilting shear force.
  • the fins 15 spread further, so that the connection between the mounting adapter and roller-shaped tool is additionally stabilized.
  • the mounting adapter is equipped with a fastening device 12. That in the Figures 2 . 4 and 5 illustrated embodiment has an internal thread with which it can be bolted to a corresponding drive shaft.
  • This in Fig. 3 The example of training shown differs from that in Fig. 2 shown only in that the fastening device is designed instead of an internal thread as a double groove.
  • other cross sections for corresponding drive shafts are possible.
  • the mounting adapter By pressure on the outer fin ends or by acting on a shear force in the direction of tilting of the fins 15, the mounting adapter can be compressed.
  • Fig. 3 shows how this compression can be done by grasping the mounting adapter by hand.
  • the compression can be achieved on the one hand by a pressure on the fins 15 or by embracing with a twist.
  • the inclusion of a twist means that the center of the mounting adapter is held in place with the fastening device 12 while the outer blade ends are rotated relative to this center.
  • the twisting direction is indicated by the arrow in the hand Fig. 3 shown.
  • the fastening adapter 10 has a reduced diameter and can thus be inserted into the passage opening 21 of a cylindrical tool 17.
  • the fins 15 spread in the passage opening 21 of the tool 17 again until they abut against the inner wall of the passage opening 21 and press against it.
  • Fig. 4 shows a mounting adapter 10, which is pushed into the tool roll 17 and is spread out there. Since the inner diameter of the passage opening 21 is slightly smaller than the outer diameter of the mounting adapter 10, the fins 15 are slightly pressed together and under tension.
  • the passage opening 21 of the tool 17 is formed here by a PVC pipe 18 which carries on the outside an annular cylinder 19 made of abrasive material.
  • the pressure of the fins 15 on the PVC pipe 18 increases the friction between the fins 15 and the PVC pipe 18. In operation, the pressure, and thus the friction, by acting on the fins 15 Centrifugal force additionally increased.
  • the holder of the tool on the mounting adapter 10 is therefore particularly stable during operation.
  • Fig. 5 shows a further embodiment of a mounting adapter in a tool roll in section through the longitudinal axis.
  • an internal thread is provided, which is located in a metal core of the mounting adapter 10.
  • the metal core is extended beyond the length of the slats 15 and forms a cylindrical projection 23.
  • an internal thread for a threaded pin 24 is additionally provided in the cylindrical projection.
  • the cylindrical projection 23 is located at the end of the fastening adapter 10 facing the drive machine.
  • the fastening adapter 10 has a stop ring 22 which, like the core, is made of metal and connected thereto.
  • the mounting adapter 10 is beveled at this end 25.
  • the stop ring 22 has an outer diameter which is greater than the inner diameter of the PVC pipe 18 and smaller than the outer diameter of the slip ring cylinder 19.

Claims (10)

  1. Système de fixation pour le montage d'un outil en forme de rouleau (17) avec une ouverture de passage (21) sur un arbre d'entraînement d'une machine d'entraînement à l'aide d'un adaptateur de fixation (10), qui comprend un corps cylindrique creux (11) présentant à l'intérieur un dispositif de fixation (12) pour le montage sur l'arbre d'entraînement, et duquel partent vers l'extérieur, réparties autour de l'axe du cylindre (13), une pluralité de lamelles (15) espacées entre elles par des fentes (14), les lamelles (15) étant inclinées dans leur orientation perpendiculaire à l'axe du cylindre chacune d'un angle prédéterminé (α) par rapport au sens radial et le diamètre extérieur de l'adaptateur de fixation (10), qui est plus grand dans l'état desserré que le diamètre intérieur de l'ouverture de passage (21) de l'outil en forme de rouleau (17), pouvant être réduit de façon élastique par l'application de pression et/ou l'action d'une force de cisaillement dans le sens du basculement sur les lamelles (15), l'ouverture de passage (21) de l'outil en forme de rouleau (17) étant rigide et cylindrique et les lamelles (15) de l'adaptateur de fixation (10) étant inclinées dans la direction de déplacement (20) privilégiée pendant le fonctionnement de l'outil,
    caractérisé en ce
    que l'adaptateur de fixation (10) présente sur la face d'extrémité tournée vers la machine d'entraînement en fonctionnement une bague de butée (22) qui est formée d'un seul tenant avec les lamelles (15) et qui est compressible et dont le diamètre est tel qu'il n'entre pas dans l'ouverture de passage (21) de l'outil en forme de rouleau (17) même dans l'état comprimé.
  2. Système de fixation selon la revendication 1,
    caractérisé en ce
    que l'ouverture de passage (21) de l'outil en forme de rouleau (17) est formée par un tube rigide (18).
  3. Système de fixation selon l'une des revendications précédentes,
    caractérisé en ce
    que le dispositif de fixation (12) est un filetage intérieur.
  4. Système de fixation selon l'une des revendications précédentes,
    caractérisé en ce
    que les lamelles (15) de l'adaptateur de fixation (10) sont faites d'une matière élastique ayant une dureté Shore comprise entre 60 et 100.
  5. Système de fixation selon l'une des revendications précédentes,
    caractérisé en ce
    que les lamelles (15) de l'adaptateur de fixation (10) ont leur plus petite section à leur point d'appui (16) sur le corps cylindrique creux (11).
  6. Système de fixation selon l'une des revendications précédentes,
    caractérisé en ce
    que les extrémités extérieures de toutes les lamelles (15) dans l'état non serré de l'adaptateur de fixation (10) forment une surface d'enveloppe cylindrique interrompue par les fentes (14).
  7. Système de fixation selon l'une des revendications précédentes,
    caractérisé en ce
    que le bord périphérique de l'adaptateur de fixation (10) est fraisé sur au moins une de ses faces d'extrémité.
  8. Système de fixation selon l'une des revendications précédentes,
    caractérisé en ce
    que l'adaptateur de fixation (10) est prolongé au centre sur sa face d'extrémité tournée en fonctionnement vers la machine d'entraînement autour du dispositif de fixation (12), de sorte qu'il se forme une saillie cylindrique (23) qui a un plus petit diamètre que la partie restante de l'adaptateur de fixation (10).
  9. Système de fixation selon la revendication 8,
    caractérisé en ce
    qu'il est prévu dans la saillie cylindrique (23) un filetage pour une vis sans tête (24) ainsi qu'une vis sans tête (24) qui sert, en complément du dispositif de fixation (12), à la fixation de l'adaptateur de fixation (10) sur l'arbre d'entraînement.
  10. Adaptateur de fixation (10) destiné à être utilisé dans un système de fixation selon l'une des revendications précédentes, qui comprend un corps cylindrique creux (11) présentant à l'intérieur un dispositif de fixation (12) pour le montage sur l'arbre d'entraînement, et duquel partent vers l'extérieur, réparties autour de l'axe du cylindre (13), une pluralité de lamelles (15) espacées entre elles par des fentes (14), le lamelles (15) étant inclinées dans leur orientation perpendiculaire à l'axe du cylindre chacune d'un angle prédéterminé (α) par rapport au sens radial, et le diamètre extérieur de l'adaptateur de fixation (10) pouvant être réduit de façon élastique par l'application de pression et/ou l'action d'une force de cisaillement dans le sens du basculement sur les lamelles (15), les lamelles (15) de l'adaptateur de fixation étant inclinées dans la direction de déplacement (20) privilégiée pendant le fonctionnement de l'outil, caractérisé en ce que l'adaptateur de fixation (10) présente sur la face d'extrémité tournée vers la machine d'entraînement en fonctionnement une bague de butée (22) qui est formée d'un seul tenant avec les lamelles (15) et qui est compressible et dont le diamètre est tel qu'il n'entre pas dans l'ouverture de passage (21) de l'outil en forme de rouleau (17) même dans l'état comprimé.
EP07004675A 2006-04-12 2007-03-07 Système de fixation et adaptateur de fixation Active EP1844901B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006017305A DE102006017305A1 (de) 2006-04-12 2006-04-12 Befestigungssystem, Befestigungsadapter und Befestigungsverfahren

Publications (2)

Publication Number Publication Date
EP1844901A1 EP1844901A1 (fr) 2007-10-17
EP1844901B1 true EP1844901B1 (fr) 2011-06-15

Family

ID=38110713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07004675A Active EP1844901B1 (fr) 2006-04-12 2007-03-07 Système de fixation et adaptateur de fixation

Country Status (5)

Country Link
US (1) US20070259611A1 (fr)
EP (1) EP1844901B1 (fr)
AT (1) ATE512765T1 (fr)
CA (1) CA2584998A1 (fr)
DE (1) DE102006017305A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0722107D0 (en) * 2007-11-10 2007-12-19 Exakt Prec Tools Ltd Improvements in adn relating to power tools
JP6140540B2 (ja) * 2013-06-14 2017-05-31 スリーエム イノベイティブ プロパティズ カンパニー アダプタ
CN105014564A (zh) * 2015-08-12 2015-11-04 丹阳市超宇五金磨具有限公司 一种抛光轮
FR3073166B1 (fr) * 2017-11-09 2019-12-20 Far Group Europe Rouleau a surface fonctionnelle pour outil electrique et outil electrique dote d'un tel rouleau

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US2687601A (en) * 1954-08-31 Abrasive sleeve holder
US1917303A (en) * 1928-05-24 1933-07-11 United Shoe Machinery Corp Abrading and scouring roll
US2915306A (en) * 1955-06-24 1959-12-01 Albert F Hickman Rubber torsion spring
US3058269A (en) * 1960-01-26 1962-10-16 Merit Products Inc Surface finishing drum
US3597883A (en) * 1969-02-26 1971-08-10 Robert L Choplin Power-sanding device
US3515417A (en) * 1969-03-27 1970-06-02 Us Industries Inc Self-centering bushing
DE8202243U1 (de) * 1982-01-29 1982-05-13 Kemper-Kontakt Gert Kemper GmbH & Co KG, 5600 Wuppertal Schleifscheibe
IL73328A (en) * 1984-10-26 1990-02-09 Tzora Furniture Ind Ltd Rotatable joint with coaxially assembled parts
US5201489A (en) * 1989-01-23 1993-04-13 Woco Franz-Josef Wolf & Co. Surface bearing and method for its production
DE9003235U1 (fr) * 1990-03-20 1990-05-23 Gerd Eisenblaetter Gmbh, 8192 Geretsried, De
JP3133917B2 (ja) * 1995-05-02 2001-02-13 矢崎総業株式会社 ステアリングホイールと回転コネクタとの結合構造
US5707279A (en) * 1996-06-11 1998-01-13 Even Cut Abrasive Company Abrasive tool
IT1298703B1 (it) * 1997-10-02 2000-01-12 Unibase Spa Rullo ad espansione centrifuga perfezionato per macchine smerigliatrici
FR2769532B1 (fr) * 1997-10-13 1999-12-03 Maurice Plazanet Tambour rotatif pour machine de traitement de sol et machine equipee dudit tambour
DE29804042U1 (de) * 1998-02-18 1998-04-30 Kemper Kontakt Gert Kemper Gmb Walzenförmiger Träger für Schleifhülsen
US6290038B1 (en) * 1999-03-29 2001-09-18 Lord Corporation Elastomer damper
US6152814A (en) * 1999-09-16 2000-11-28 Rp Abrasives & Machine Co. Inc. Expandable abrasive belt for use with inflatable tool
DE10042109C2 (de) * 2000-08-28 2003-07-03 M & F Entw & Patentverwertungs Polierwerkzeug
FR2853990B1 (fr) * 2003-04-17 2006-12-29 Ge Med Sys Global Tech Co Llc Dispositif de montage d'une anode tournante d'un tube a rayons x et procede de fabrication de ce dispositif
US7101108B1 (en) * 2003-12-22 2006-09-05 Lung-Tang Chuang Collar for taking hold of fixation piece of window shade rod

Also Published As

Publication number Publication date
ATE512765T1 (de) 2011-07-15
EP1844901A1 (fr) 2007-10-17
US20070259611A1 (en) 2007-11-08
DE102006017305A1 (de) 2007-10-18
CA2584998A1 (fr) 2007-10-12

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