EP1361935A1 - Heavy-duty tool with a rotationally driven, disk-shaped hub - Google Patents

Heavy-duty tool with a rotationally driven, disk-shaped hub

Info

Publication number
EP1361935A1
EP1361935A1 EP02704602A EP02704602A EP1361935A1 EP 1361935 A1 EP1361935 A1 EP 1361935A1 EP 02704602 A EP02704602 A EP 02704602A EP 02704602 A EP02704602 A EP 02704602A EP 1361935 A1 EP1361935 A1 EP 1361935A1
Authority
EP
European Patent Office
Prior art keywords
hub
tool according
insert tool
abrasive
disk
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.)
Granted
Application number
EP02704602A
Other languages
German (de)
French (fr)
Other versions
EP1361935B1 (en
Inventor
Harald Krondorfer
Markus Heckmann
Joachim Schadow
Christof Hoelzl
Johann Huber
Wilhelm Schulze
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.)
Tyrolit-Schleifmittelwerke Swarovski KG
Robert Bosch GmbH
Original Assignee
Tyrolit-Schleifmittelwerke Swarovski KG
Robert Bosch 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 Tyrolit-Schleifmittelwerke Swarovski KG, Robert Bosch GmbH filed Critical Tyrolit-Schleifmittelwerke Swarovski KG
Publication of EP1361935A1 publication Critical patent/EP1361935A1/en
Application granted granted Critical
Publication of EP1361935B1 publication Critical patent/EP1361935B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/02—Wheels in one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/16—Bushings; Mountings

Definitions

  • the invention is based on an insert tool with a rotationally drivable, disk-shaped hub according to the preamble of claim 1.
  • Disc-shaped insert tool e.g. B. Grinding or cutting discs for angle grinders, usually consist of bound abrasive for geese and have a central circular recess, through which the insert tool can be fixed with a clamping nut in the circumferential direction and in the axial direction with positive locking on an angle grinder spindle.
  • Both insert tools are known which have a reinforcement made of sheet metal in the region of the recess, and those without reinforcement.
  • the invention is based on an insert tool with a rotationally drivable, disk-shaped hub to which an abrasive forming a cutting disk, grinding disk, grinding disk or cutting disk is fastened in the radial outer region.
  • the abrasive and the hub are positively connected at least in the direction of rotation via connecting means.
  • An advantageous connection can be achieved via which large drive torques can be safely transmitted from the hub to the abrasive.
  • a form fit in axial lease is also conceivable, for example by angled and / or cranked projections.
  • the positive connection is structurally simple, without additional components with projections extending to the hub in the axial direction and forming the connecting means, which engage axially in or through the abrasive and which are advantageously molded onto the hub in a stamping process, for example together with other recesses can.
  • an axial interlocking can be achieved cost-effectively by bending molded projections or frames that reach through the abrasive outwards or inwards when pressing the abrasive.
  • the hub be designed with a bending stiffness that changes in the radial direction.
  • An advantageous transition between the abrasive and the hub can be achieved and overall a harmonious bending never be achieved.
  • Advantageous cohesion between the abrasive and the hub can be achieved and detachment when attaching the insert tool, for example on a spindle of an angle grinder, and while working can be reliably avoided. Axial forces and the resulting bending moments can be safely supported via a harmonious bending line.
  • a bending stiffness or bending line can be structurally easily adapted to a desired course by designing recesses made in the radially outer region of the hub.
  • the bending stiffness of the hub can be weakened in specific areas.
  • the recesses can have various shapes which appear useful to the person skilled in the art.
  • the recesses can be as
  • Slots are made with a constant width and / or with a radially inward continuously or gradually decreasing width, whereby the bending stiffness decreases radially outward due to the radially outwardly decreasing hub material.
  • At least one recess in the radially inner region has a greater width than in the radially outer region, as a result of which an advantageously large fastening surface is provided in the radially outer region and a type of spring region is achieved in the radially inner region adjoining it can be.
  • the recesses are advantageously designed to be radially open to the outside, so that segments which can largely be deflected independently of one another can advantageously be achieved. NEN. In principle, however, the recesses could also be designed to be closed radially outward.
  • the hub is advantageously inexpensive and environmentally friendly made from sheet metal, in particular sheet steel.
  • the abrasive which is often difficult to recycle, can be completely used up and the hub can be easily recycled.
  • other hub materials are also conceivable, such as plastics, ceramic materials sw.
  • the hub is at least partially covered on both sides by at least one layer of the abrasive, for example by an abrasive fabric layer or glass fiber mats etc., whereby the connection between the hub and the abrasive can be improved.
  • a form fit in both axial directions can be achieved.
  • a connection between the hub and the abrasive can also be improved by subjecting the abrasive and the hub together to at least one heat process during a manufacturing process of the abrasive, and / or the abrasive in addition to a non-positive and / or positive connection via a material connection with the Hub is connected, such as in particular via an adhesive connection.
  • the integral connection can be made after or during the manufacturing process of the abrasive. If the manufacturing process of the abrasive is used to connect the hub and the abrasive, additional work steps can be saved and an overall rational manufacturing process of the insert tool can be achieved. In particular, a gluing process can be easily integrated into the manufacturing process of the abrasive, although other cohesive connections are also conceivable, such as soldered and / or welded connections, etc.
  • the solution according to the invention can be used with insert tools which are fastened on a spindle by means of a clamping nut and particularly advantageously with hubs which, in addition to a central recess, have recesses for fastening via a quick-action clamping system.
  • insert tools which are fastened on a spindle by means of a clamping nut and particularly advantageously with hubs which, in addition to a central recess, have recesses for fastening via a quick-action clamping system.
  • FIG. 3 is an enlarged view of a hub without abrasive from above
  • FIG. 4 shows the hub from FIG. 3 in a side view
  • FIG. 5 shows an alternative to FIG. 3.
  • Fig. 1 shows an angle grinder 36 from above with an electric motor, not shown, mounted in a housing 38.
  • the angle grinder 36 is mounted in the housing 38 on the side facing away from an insert tool, extending in the longitudinal direction and via a second on a gear housing 42 in the loading rich of the insert tool attached, extending transversely to the longitudinal direction handle 44 feasible.
  • FIG. 2 shows the insert tool from FIG. 1 in the disassembled state.
  • the insert tool has a rotatably drivable, disk-shaped hub 10 made of sheet steel, to which an abrasive 14 forming a grinding wheel is fastened in the radially outer region.
  • the abrasive 14 is essentially composed of glass fiber mats, abrasives and binders which are pressed together to form a solid disc, the binder having been cured in a heat process.
  • the hub 10 is designed with a changing bending stiffness in the radial direction, the hub 10 in its radially outer region being deliberately weakened by slot-shaped recesses 16 in order to adapt the bending stiffness.
  • the recesses 16 are designed to be open radially outwards, which advantageously results in segments which can be deflected largely independently of one another.
  • the recesses 16 have a constant width and protrude radially inward to just before an area in which recesses 30, 32 are made for fastening the insert tool via a quick-action clamping system on an angle grinder spindle.
  • a circular recess 28 for centering the insert tool is made in the central region of the hub 10.
  • the hub 10 is covered on both sides by at least one layer 22, 24 of the abrasive 14, the abrasive 14 having essentially its entire thickness in an annular shape on a side 48 facing the angle grinder 36 Indentation is arranged so that the hub 10 and the grinding means 14 advantageously close in the direction of the angle grinder 36 in a common plane.
  • the hub 10 On a side 34 facing away from the angle grinder 36, a layer 22 of the abrasive 14 formed by a glass fiber mat covers the hub 10 radially inward.
  • the abrasive 14 and the hub 10 are positively connected in the direction of rotation via connecting means 26 (FIG. 4).
  • the connecting means 26 are formed by projections which extend in the axial direction and are formed on the hub 10 and which engage in or through the grinding means 14.
  • the projections forming the connecting means 26 are formed with the recesses 16, 28, 30, 32 in a common stamping process.
  • the hub 10 and the abrasive 14 are subjected to a common heat process, whereby a material connection between the abrasive 14 and the hub 10, namely an adhesive connection, is cured.
  • FIG. 12 An alternative hub 12 is shown in FIG. Components that remain essentially the same are fundamentally numbered with the same reference numerals. Furthermore, with regard to the same features and functions, reference can be made to the description of the exemplary embodiment in FIGS. 2 and 3.
  • the hub 12 has recesses 18, 20 which are designed to be open radially outwards and which have different widths in the radial direction.
  • the recesses 18 are T-shaped and have a greater width in the radially inner area than in the radially outer area, whereas the
  • Recesses 20 are V-shaped and have a decreasing width radially inwards. 5, the recesses 18 and 20 are combined with one another, but it is also conceivable to provide the recesses 18 or 20 exclusively on a hub.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The invention relates to a heavy-duty tool having a rotationally driven, disk-shaped hub (10, 12), wherein a surface treating article (14) forming a cutting disk, a grinding disk, roughing disk or slicing disk is fixed on the outer radial area. According to the invention, the surface treating article (14) and the hub (10, 12) are interlocked by connecting means (26) at least in the direction of rotation.

Description

Einsatzwerkzeug mit einer rotierend antreibbaren, sche ibenförmigen NabeTool with a rotating, disc-shaped hub
Stand der TechnikState of the art
Die Erfindung geht aus von einem Einsatzwerkzeug mit einer rotierend antreibbaren , scheibenförmigen Nabe nach dem Oberbegriff des Anspruchs 1 .The invention is based on an insert tool with a rotationally drivable, disk-shaped hub according to the preamble of claim 1.
Scheibenförmiges Einsatzwerkzeug , z . B . Schleif- oder Trennscheiben für Winkelschleifer, bestehen üblicherweise zur Gänse aus gebundenem Schleifmittel und besitzen eine mittige kreisrunde Ausnehmung, über die das Einsatzwerkzeug mit einer Spannmutter in Umfangsrichtung kraftschlüssig und in axialer Richtung formschlüssig auf einer Winkelschleiferspindel befestigt werden kann . Es sind sowohl Einsat zwerkzeuge bekannt , die eine Verstärkung aus Blech im Bereich der Ausnehmung aufweisen , als auch solche ohne eine Verstärkung . Vorteile der ErfindungDisc-shaped insert tool, e.g. B. Grinding or cutting discs for angle grinders, usually consist of bound abrasive for geese and have a central circular recess, through which the insert tool can be fixed with a clamping nut in the circumferential direction and in the axial direction with positive locking on an angle grinder spindle. Both insert tools are known which have a reinforcement made of sheet metal in the region of the recess, and those without reinforcement. Advantages of the invention
Die Erfindung geht aus von einem Einsatzwerkzeug mit einer rotierend antreibbaren, scheibenförmigen Nabe, an der im ra- dial äußeren Bereich ein eine Trennscheibe, Schleifscheibe, Schruppscheibe oder Schneidscheibe bildendes Schleifmittel befestigt ist.The invention is based on an insert tool with a rotationally drivable, disk-shaped hub to which an abrasive forming a cutting disk, grinding disk, grinding disk or cutting disk is fastened in the radial outer region.
Es wird vorgeschlagen, daß das Schleifmittel und die Nabe über Verbindungsmittel zumindest in Drehrichtung formschlüs- sig verbunden sind. Es kann eine vorteilhafte Verbindung erreicht werden, über die große Antriebsmomente von der Nabe auf das Schleifmittel sicher übertragen werden können. Neben einem Formschluß in Drehrichtung ist ferner ein Formschluß in axialer Pachtung denkbar, beispielsweise durch abgewinkelte und/oder gekröpfte Vorsprünge. Der Formschluß ist konstruktiv einfach, ohne zusätzliche Bauteile mit an die Nabe sich in axialer Richtung erstreckenden, die Verbindungsmittel bildenden Vorsprüngen realisierbar, die axial in oder durch das Schleifmittel greifen und vorteilhaft in einem Stanzprozeß, beispielsweise gemeinsam mit anderen Ausnehmungen, an die Nabe angeformt werden können. Ein axialer Formschluß kann insbesondere bei dünnen Schleifmitteln durch Umbiegen von angeformten, durch das Schleifmittel greifenden Vorsprüngen bzw. Zargen nach außen oder nach innen kostengünstig beim Verpres- sen des Schleifmittels erfolgen.It is proposed that the abrasive and the hub are positively connected at least in the direction of rotation via connecting means. An advantageous connection can be achieved via which large drive torques can be safely transmitted from the hub to the abrasive. In addition to a form fit in the direction of rotation, a form fit in axial lease is also conceivable, for example by angled and / or cranked projections. The positive connection is structurally simple, without additional components with projections extending to the hub in the axial direction and forming the connecting means, which engage axially in or through the abrasive and which are advantageously molded onto the hub in a stamping process, for example together with other recesses can. In the case of thin abrasives, an axial interlocking can be achieved cost-effectively by bending molded projections or frames that reach through the abrasive outwards or inwards when pressing the abrasive.
Ferner wird vorgeschlagen, daß die Nabe mit einer sich in radialer Richtung verändernder Biegesteifigkeit ausgeführt ist. Es kann ein vorteilhafter Übergang zwischen dem Schleifmittel und der Nabe erreicht und insgesamt eine harmonische Biegeli- nie erzielt werden. Es kann ein vorteilhafter Zusammenhalt zwischen dem Schleifmittel und der Nabe erreicht und ein Ablösen beim Befestigen des Einsatzwerkzeugs, beispielsweise auf einer Spindel eines Winkelschleifers, und beim Arbeiten sicher vermieden werden. Axiale Kräfte und daraus resultierende Biegemomente können- über eine harmonische Biegelinie sicher abgestützt werden.It is also proposed that the hub be designed with a bending stiffness that changes in the radial direction. An advantageous transition between the abrasive and the hub can be achieved and overall a harmonious bending never be achieved. Advantageous cohesion between the abrasive and the hub can be achieved and detachment when attaching the insert tool, for example on a spindle of an angle grinder, and while working can be reliably avoided. Axial forces and the resulting bending moments can be safely supported via a harmonious bending line.
Eine Biegesteifigkeit bzw. Biegelinie kann konstruktiv ein- fach durch die Gestaltung von im radial äußeren Bereich der Nabe eingebrachten Ausnehmungen gezielt einem gewünschten Verlauf angepaßt werden. Die Biegesteifigkeit der Nabe kann gezielt in einzelnen Bereichen geschwächt werden. Die Ausnehmungen können verschiedene, dem Fachmann als sinnvoll er- scheinende Formen aufweisen. Die Ausnehmungen können alsA bending stiffness or bending line can be structurally easily adapted to a desired course by designing recesses made in the radially outer region of the hub. The bending stiffness of the hub can be weakened in specific areas. The recesses can have various shapes which appear useful to the person skilled in the art. The recesses can be as
Schlitze mit einer gleichbleibenden Breite und/oder mit einer radial nach innen kontinuierlich oder stufenweise abnehmenden Breite ausgeführt sein, wodurch aufgrund des radial nach außen abnehmenden Nabenmaterials die Biegesteifigkeit radial nach außen abnimmt.Slots are made with a constant width and / or with a radially inward continuously or gradually decreasing width, whereby the bending stiffness decreases radially outward due to the radially outwardly decreasing hub material.
In einer weiteren Ausgestaltung der Erfindung wird vorgeschlagen, daß zumindest eine Ausnehmung im radial inneren Bereich eine größere Breite aufweist als im radial äußeren Be- reich, wodurch im radial äußeren Bereich eine vorteilhaft große Befestigungsfläche bereitgestellt und im daran angrenzenden radial inneren Bereich eine Art Federbereich erreicht werden kann. Die Ausnehmungen werden vorteilhaft radial nach außen offen ausgeführt, wodurch vorteilhaft weitgehend von- einander unabhängig auslenkbare Segmente erreicht werden kön- nen. Grundsätzlich könnten die Ausnehmungen jedoch auch radial nach außen geschlossen ausgeführt sein.In a further embodiment of the invention it is proposed that at least one recess in the radially inner region has a greater width than in the radially outer region, as a result of which an advantageously large fastening surface is provided in the radially outer region and a type of spring region is achieved in the radially inner region adjoining it can be. The recesses are advantageously designed to be radially open to the outside, so that segments which can largely be deflected independently of one another can advantageously be achieved. NEN. In principle, however, the recesses could also be designed to be closed radially outward.
Anstatt Ausnehmungen sind auch andere, dem Fachmann als sinn- voll erscheinende konstruktive Ausgestaltungen zur Erreichung einer bestimmten Biegelinie denkbar, wie beispielsweise Ausgestaltungen mit radial nach außen zu- oder abnehmenden Materialstärken, unterschiedlichen Anzahlen von Materiallagen, unterschiedlichen Materialien mit unterschiedlicher Steifig- keit und/oder mit Versteifungsrippen zum Einstellen einer gewünschten Biegelinie. Ferner sind Materialien denkbar, die radial nach außen unterschiedlichen Materialbehandlungen unterzogen wurden.Instead of recesses, other constructive configurations which appear to be useful to the person skilled in the art are conceivable for achieving a specific bending line, such as configurations with material thicknesses increasing or decreasing radially outwards, different numbers of material layers, different materials with different rigidity and / or with stiffening ribs for setting a desired bending line. Materials are also conceivable that have been subjected to different material treatments radially outwards.
Die Nabe ist vorteilhaft kostengünstig und umweltfreundlich aus einem Blech, insbesondere Stahlblech, hergestellt . Das häufig nur schwer wieder recycelbare Schleifmittel kann vollständig verbraucht und die Nabe kann einfach recycelt werden. Grundsätzlich sind jedoch auch andere Nabenmaterialien denk- bar, wie beispielsweise Kunststoffe, keramische Materialien sw.The hub is advantageously inexpensive and environmentally friendly made from sheet metal, in particular sheet steel. The abrasive, which is often difficult to recycle, can be completely used up and the hub can be easily recycled. In principle, however, other hub materials are also conceivable, such as plastics, ceramic materials sw.
In einer weiteren Ausgestaltung der Erfindung wird vorgeschlagen, daß die Nabe beidseitig zumindest von einer Lage des Schleifmittels zumindest teilweise überdeckt ist, beispielsweise von einer abrasive Stoffe tragenden Gewebeschicht oder Glasfasermatten usw. , wodurch die Verbindung zwischen der Nabe und dem Schleifmittel verbessert werden kann. Es kann ein Formschluß in beide axiale Richtungen erreicht wer- den. Eine Verbindung zwischen der Nabe und dem Schleifmittel kann ferner verbessert werden, indem bei einem Herstellprozeß des Schleifmittels das Schleifmittel und die Nabe gemeinsam zumindest einem Hitzeprozeß unterzogen werden, und/oder das Schleifmittel neben einer kraftschlüssigen und/oder formschlüssigen Verbindung über eine stoffschlüssige Verbindung mit der Nabe verbunden ist, wie insbesondere über eine Klebeverbindung. Die stoffschlüssige Verbindung kann nach oder während dem Herstellprozeß des Schleifmittels hergestellt werden. Wird der Herstellprozeß des Schleifmittels zur Verbindung der Nabe und des Schleifmittels genutzt, können zusätzliche Arbeitsschritte eingespart und es kann ein insgesamt rationeller Herstellprozeß des Einsatzwerkzeugs erreicht werden. Insbesondere ein Klebevorgang kann einfach in den Herstellprozeß des Schleifmittels integriert werden, wobei jedoch auch andere stoffschlüssige Verbindungen denkbar sind, wie beispielsweise Löt- und/oder Schweißverbindungen usw.In a further embodiment of the invention it is proposed that the hub is at least partially covered on both sides by at least one layer of the abrasive, for example by an abrasive fabric layer or glass fiber mats etc., whereby the connection between the hub and the abrasive can be improved. A form fit in both axial directions can be achieved. A connection between the hub and the abrasive can also be improved by subjecting the abrasive and the hub together to at least one heat process during a manufacturing process of the abrasive, and / or the abrasive in addition to a non-positive and / or positive connection via a material connection with the Hub is connected, such as in particular via an adhesive connection. The integral connection can be made after or during the manufacturing process of the abrasive. If the manufacturing process of the abrasive is used to connect the hub and the abrasive, additional work steps can be saved and an overall rational manufacturing process of the insert tool can be achieved. In particular, a gluing process can be easily integrated into the manufacturing process of the abrasive, although other cohesive connections are also conceivable, such as soldered and / or welded connections, etc.
Die erfindungsgemäße Lösung kann bei Einsatzwerkzeugen einge- setzt werden, die über eine Spannmutter auf einer Spindel befestigt werden und besonders vorteilhaft bei Naben, die neben einer mittigen Ausnehmung Ausnehmungen zur Befestigung über ein Schnellspannsystem aufweisen. Bei der Montage auf einer Spindel können auftretende Montagekräfte in axialer Richtung über eine harmonische Biegelinie vorteilhaft aufgenommen werden. ZeichnungThe solution according to the invention can be used with insert tools which are fastened on a spindle by means of a clamping nut and particularly advantageously with hubs which, in addition to a central recess, have recesses for fastening via a quick-action clamping system. When assembling on a spindle, occurring assembly forces can be advantageously absorbed in the axial direction via a harmonic bending line. drawing
Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In der Zeichnung sind Ausführungsbeispiele der Erfindung dargestellt. Die Zeichnung, die Beschreibung und die Ansprüche enthalten zahlreiche Merkmale in Kombination. Der Fachmann wird die Merkmale zweckmäßigerweise auch einzeln betrachten und zu sinnvollen weiteren Kombinationen zusammenfassen.Further advantages result from the following description of the drawing. Exemplary embodiments of the invention are shown in the drawing. The drawing, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into useful further combinations.
Es zeigen:Show it:
Fig. 1 einen schematisch dargestellten Winkelschlei- fer von oben,'1 shows a schematically illustrated angle grinder from above,
Fig. 2 ein erfindungsgemäßes Einsatzwerkzeug,2 an insert tool according to the invention,
Fig. 3 eine vergrößerte Darstellung einer Nabe ohne Schleifmittel von oben,3 is an enlarged view of a hub without abrasive from above,
Fig. 4 die Nabe aus Fig. 3 in einer Seitenansicht und Fig. 5 eine Alternative zu Fig. 3.4 shows the hub from FIG. 3 in a side view, and FIG. 5 shows an alternative to FIG. 3.
Beschreibung der AusführungsbeispieleDescription of the embodiments
Fig. 1 zeigt einen Winkelschleifer 36 von oben mit einem in einem Gehäuse 38 gelagerten, nicht näher dargestellten Elektromotor. Der Winkelschleifer 36 ist über einen ersten, im Gehäuse 38 auf der einem Einsatzwerkzeug abgewandten Seite integrierten, sich in Längsrichtung erstreckenden Handgriff 40 und über einen zweiten an einem Getriebegehäuse 42 im Be- reich des Einsatzwerkzeugs befestigten, sich quer zur Längsrichtung erstreckenden Handgriff 44 führbar.Fig. 1 shows an angle grinder 36 from above with an electric motor, not shown, mounted in a housing 38. The angle grinder 36 is mounted in the housing 38 on the side facing away from an insert tool, extending in the longitudinal direction and via a second on a gear housing 42 in the loading rich of the insert tool attached, extending transversely to the longitudinal direction handle 44 feasible.
Fig. 2 zeigt das Einsatzwerkzeug aus Fig. 1 im demontierten Zustand. Das Einsatzwerkzeug besitzt eine rotierend antreibbare, scheibenförmige Nabe 10 aus Stahlblech, an der im radial äußeren Bereich ein eine Schleifscheibe bildendes Schleifmittel 14 befestigt ist. Das Schleifmittel 14 ist im wesentlichen aus Glasfasermatten, Schleifmittel und Bindemittel zu- sam engesetzt , die zu einer festen Scheibe miteinander verpreßt sind, wobei das Bindemittel in einem Hitzeprozeß ausgehärtet wurde.FIG. 2 shows the insert tool from FIG. 1 in the disassembled state. The insert tool has a rotatably drivable, disk-shaped hub 10 made of sheet steel, to which an abrasive 14 forming a grinding wheel is fastened in the radially outer region. The abrasive 14 is essentially composed of glass fiber mats, abrasives and binders which are pressed together to form a solid disc, the binder having been cured in a heat process.
Die Nabe 10 ist in radialer Richtung mit einer sich verän- dernden Biegesteifigkeit ausgeführt, wobei die Nabe 10 in ihrem radial äußeren Bereich zur Anpassung der Biegesteifigkeit durch schlitzförmige Ausnehmungen 16 gezielt geschwächt ist. Die Ausnehmungen 16 sind radial nach außen offen ausgeführt, wodurch vorteilhaft weitgehend voneinander unabhängig aus- lenkbare Segmente entstehen. Die Ausnehmungen 16 besitzen eine gleichbleibende Breite und ragen radial nach innen bis kurz vor einen Bereich, in den Ausnehmungen 30, 32 zur Befestigung des Einsatzwerkzeugs über ein Schnellspannsystem auf einer Winkelschleiferspindel eingebracht sind. Im mittleren Bereich der Nabe 10 ist eine kreisrunde Ausnehmung 28 zur Zentrierung des Einsatzwerkzeugs eingebracht.The hub 10 is designed with a changing bending stiffness in the radial direction, the hub 10 in its radially outer region being deliberately weakened by slot-shaped recesses 16 in order to adapt the bending stiffness. The recesses 16 are designed to be open radially outwards, which advantageously results in segments which can be deflected largely independently of one another. The recesses 16 have a constant width and protrude radially inward to just before an area in which recesses 30, 32 are made for fastening the insert tool via a quick-action clamping system on an angle grinder spindle. A circular recess 28 for centering the insert tool is made in the central region of the hub 10.
Die Nabe 10 ist beidseitig von zumindest einer Lage 22, 24 des Schleifmittels 14 überdeckt, wobei auf einer dem Winkel- Schleifer 36 zugewandten Seite 48 das Schleifmittel 14 mit im wesentlichen seiner gesamten Stärke in einer ringförmigen Einbuchtung angeordnet ist, so daß die Nabe 10 und das Schleifmittel 14 vorteilhaft in Richtung Winkelschleifer 36 in einer gemeinsamen Ebene abschließen. Im Falle, daß sich das Schleifmittel 14 im Betrieb von der Nabe 10 lösen sollte, ist dieses dennoch in die vom Winkelschleifer 36 abgewandte Richtung verliersicher durch die Nabe 10 gesichert (Fig . 2 und 4) . Auf einer dem Winkelschleifer 36 abgewandten Seite 34 überdeckt eine von einer Glasfasermatte gebildete Lage 22 des Schleifmittels 14 die Nabe 10 radial nach innen.The hub 10 is covered on both sides by at least one layer 22, 24 of the abrasive 14, the abrasive 14 having essentially its entire thickness in an annular shape on a side 48 facing the angle grinder 36 Indentation is arranged so that the hub 10 and the grinding means 14 advantageously close in the direction of the angle grinder 36 in a common plane. In the event that the abrasive 14 should come loose from the hub 10 during operation, it is nevertheless secured captively in the direction facing away from the angle grinder 36 by the hub 10 (FIGS. 2 and 4). On a side 34 facing away from the angle grinder 36, a layer 22 of the abrasive 14 formed by a glass fiber mat covers the hub 10 radially inward.
Das Schleifmittel 14 und die Nabe 10 sind über Verbindungsmittel 26 in Drehrichtung formschlüssig verbunden (Fig. 4). Die Verbindungsmittel 26 werden von sich in axialer Richtung erstreckenden, an die Nabe 10 angeformten Vorsprüngen gebil- det, die in bzw. durch das Schleifmittel 14 greifen. Die die Verbindungsmittel 26 bildenden VorSprünge werden mit den Ausnehmungen 16, 28, 30, 32 in einem gemeinsamen Stanzprozeß angeformt .The abrasive 14 and the hub 10 are positively connected in the direction of rotation via connecting means 26 (FIG. 4). The connecting means 26 are formed by projections which extend in the axial direction and are formed on the hub 10 and which engage in or through the grinding means 14. The projections forming the connecting means 26 are formed with the recesses 16, 28, 30, 32 in a common stamping process.
Beim Herstellprozeß des Schleifmittels 14 werden die Nabe 10 und das Schleifmittel 14 einem gemeinsamen Hitzeprozeß unterzogen, wobei eine stoffschlüssige Verbindung zwischen dem Schleifmittel 14 und der Nabe 10, und zwar eine Klebeverbindung ausgehärtet wird.In the manufacturing process of the abrasive 14, the hub 10 and the abrasive 14 are subjected to a common heat process, whereby a material connection between the abrasive 14 and the hub 10, namely an adhesive connection, is cured.
In Fig. 5 ist eine alternative Nabe 12 dargestellt. Im wesentlichen gleichbleibende Bauteile sind grundsätzlich mit den gleichen Bezugszeichen beziffert. Ferner kann bezüglich gleichbleibender Merkmale und Funktionen auf die Beschreibung zum Ausführungsbeispiel in den Fig. 2 und 3 verwiesen werden. Die Nabe 12 besitzt Ausnehmungen 18, 20, die radial nach außen offen ausgeführt sind und die in radialer Richtung unterschiedliche Breiten aufweisen. Die Ausnehmungen 18 sind T- förmig ausgeführt und besitzen im radial inneren Bereich eine größere Breite als im radial äußeren Bereich, wogegen dieAn alternative hub 12 is shown in FIG. Components that remain essentially the same are fundamentally numbered with the same reference numerals. Furthermore, with regard to the same features and functions, reference can be made to the description of the exemplary embodiment in FIGS. 2 and 3. The hub 12 has recesses 18, 20 which are designed to be open radially outwards and which have different widths in the radial direction. The recesses 18 are T-shaped and have a greater width in the radially inner area than in the radially outer area, whereas the
Ausnehmungen 20 V-förmig ausgeführt sind und radial nach innen eine abnehmende Breite aufweisen. In Fig. 5 sind die Ausnehmungen 18 und 20 miteinander kombiniert, wobei jedoch auch denkbar ist, die Ausnehmungen 18 oder 20 jeweils ausschließ- lieh an einer Nabe vorzusehen. Recesses 20 are V-shaped and have a decreasing width radially inwards. 5, the recesses 18 and 20 are combined with one another, but it is also conceivable to provide the recesses 18 or 20 exclusively on a hub.
Bezugszeichenreference numeral
10 Nabe10 hub
12 Nabe12 hub
14 Schleifmittel14 abrasives
16 Ausnehmung16 recess
18 Ausnehmung18 recess
20 Ausnehmung20 recess
22 Lage22 location
24 Lage24 location
26 Verbindungsmittel26 lanyards
28 Ausnehmung28 recess
30 Ausnehmung30 recess
32 Ausnehmung32 recess
34 Seite34 page
36 Winkelschleifer36 angle grinders
38 Gehäuse38 housing
40 Handgriff40 handle
42 Getriebegehäuse42 gear housing
44 Handgriff44 handle
46 Einbuchtung46 indentation
48 Seite 48 page

Claims

Ansprüche Expectations
1. Einsatzwerkzeug mit einer rotierend antreibbaren, scheibenförmigen Nabe (10, 12), an der im radial äußeren Bereich ein eine Trennscheibe, Schleifscheibe, Schruppscheibe oder Schneidscheibe bildendes Schleifmittel (14) befestigt ist, dadurch gekennzeichnet, daß das Schleifmittel (14) und die Nabe (10, 12) über Verbindungsmittel (26) zumindest in Drehrichtung formschlüssig verbunden sind.1. Insert tool with a rotatably drivable, disk-shaped hub (10, 12), to which a grinding wheel (14) forming a cutting wheel, grinding wheel, grinding wheel or cutting wheel is fastened in the radially outer region, characterized in that the grinding medium (14) and the Hub (10, 12) are positively connected via connecting means (26) at least in the direction of rotation.
2. Einsatzwerkzeug nach Anspruch 1, dadurch gekennzeichnet, daß an die Nabe (10, 12) sich in axialer Richtung erstrecken- de, die Verbindungsmittel (26) bildende Vorsprünge angeformt sind, die in oder durch das Schleifmittel (14) greifen.2. Insert tool according to claim 1, characterized in that on the hub (10, 12) extending in the axial direction, the connecting means (26) forming projections are formed, which engage in or through the grinding means (14).
3. Einsatzwerkzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Schleifmittel und die Nabe über zumindest ein Verbindungsmittel in axialer Richtung formschlüssig verbunden sind.3. Insert tool according to claim 1 or 2, characterized in that the abrasive and the hub are positively connected in the axial direction via at least one connecting means.
4. Einsatzwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Nabe (10, 12) mit einer sich in radialer Richtung verändernder Biegesteifigkeit ausgeführt ist . 4. Insert tool according to one of the preceding claims, characterized in that the hub (10, 12) is designed with a bending stiffness which changes in the radial direction.
5. Einsatzwerkzeug nach Anspruch 4, dadurch gekennzeichnet, daß im radial äußeren Bereich der Nabe (10, 12) Ausnehinungen (16, 18, 20) zur Anpassung der Biegesteifigkeit eingebracht sind.5. Tool according to claim 4, characterized in that in the radially outer region of the hub (10, 12) recesses (16, 18, 20) are introduced to adjust the bending stiffness.
6. Einsatzwerkzeug nach Anspruch 5, dadurch gekennzeichnet, daß zumindest einzelne Ausnehmungen (16, 18, 20) radial nach außen, offen ausgeführt sind.6. Insert tool according to claim 5, characterized in that at least individual recesses (16, 18, 20) are designed radially outward, open.
7. Einsatzwerkzeug nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß zumindest eine Ausnehmung (20) im radial inneren Bereich eine kleinere Breite aufweist als im radial äußeren Bereich.7. Insert tool according to claim 5 or 6, characterized in that at least one recess (20) in the radially inner region has a smaller width than in the radially outer region.
8. Einsatzwerkzeug nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, daß zumindest eine Ausnehmung (18) im radial inneren Bereich eine größere Breite aufweist als im radial äußeren Bereich.8. Insert tool according to one of claims 5 to 7, characterized in that at least one recess (18) has a greater width in the radially inner region than in the radially outer region.
9. Einsatzwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Nabe (10, 12) aus Blech gebildet ist.9. Insert tool according to one of the preceding claims, characterized in that the hub (10, 12) is formed from sheet metal.
10. Einsatzwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Nabe (10, 12) beidseitig zumindest von einer Lage (22, 24) des Schleifmittels (14) zumindest teilweise überdeckt ist. 10. Insert tool according to one of the preceding claims, characterized in that the hub (10, 12) is at least partially covered on both sides by at least one layer (22, 24) of the abrasive (14).
11. Einsatzwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß bei einem Herstellprozeß des Schleifmittels (14) das Schleifmittel (14) und die Nabe (10, 12) gemeinsam zumindest einem Hitzeprozeß unterzogen sind.11. Insert tool according to one of the preceding claims, characterized in that in a manufacturing process of the abrasive (14), the abrasive (14) and the hub (10, 12) together are subjected to at least one heat process.
12. Einsatzwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Schleifmittel (14) und die Nabe (10, 12) über eine stoffschlüssige Verbindung verbunden sind.12. Insert tool according to one of the preceding claims, characterized in that the abrasive (14) and the hub (10, 12) are connected via a material connection.
13. Einsatzwerkzeug nach Anspruch 12, dadurch gekennzeichnet, daß das Schleifmittel (14) und die Nabe (10, 12) verklebt sind.13. Insert tool according to claim 12, characterized in that the abrasive (14) and the hub (10, 12) are glued.
14. Einsatzwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Nabe (10, 12) neben einer mittigen Ausnehmung (28) Ausnehmungen. (30, 32) zur Befestigung über ein Schnellspannsystem aufweist. 14. Insert tool according to one of the preceding claims, characterized in that the hub (10, 12) in addition to a central recess (28) recesses. (30, 32) for attachment via a quick release system.
EP02704602A 2001-02-15 2002-01-23 Heavy-duty tool with a rotationally driven, disk-shaped hub Expired - Lifetime EP1361935B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10106979A DE10106979A1 (en) 2001-02-15 2001-02-15 Tool with a rotating, disc-shaped hub
DE10106979 2001-02-15
PCT/DE2002/000202 WO2002064316A1 (en) 2001-02-15 2002-01-23 Heavy-duty tool with a rotationally driven, disk-shaped hub

Publications (2)

Publication Number Publication Date
EP1361935A1 true EP1361935A1 (en) 2003-11-19
EP1361935B1 EP1361935B1 (en) 2007-10-10

Family

ID=7674100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02704602A Expired - Lifetime EP1361935B1 (en) 2001-02-15 2002-01-23 Heavy-duty tool with a rotationally driven, disk-shaped hub

Country Status (8)

Country Link
US (1) US6902471B2 (en)
EP (1) EP1361935B1 (en)
JP (1) JP2004517749A (en)
KR (1) KR20030014665A (en)
CN (1) CN100431794C (en)
DE (2) DE10106979A1 (en)
MY (1) MY133293A (en)
WO (1) WO2002064316A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10218196B4 (en) * 2002-04-24 2017-06-29 Robert Bosch Gmbh Insert tool and quick-release system with a rotating drivable, hub-shaped hub
DE10360252A1 (en) * 2003-12-20 2005-07-21 Robert Bosch Gmbh tool adapter
DE10360246A1 (en) * 2003-12-20 2005-07-28 Robert Bosch Gmbh Insert tool for a machine tool
USD619152S1 (en) 2009-12-18 2010-07-06 Techtronic Power Tools Technology Limited Adapter
USD623034S1 (en) 2009-12-18 2010-09-07 Techtronic Power Tools Technology Limited Tool arbor
USD653523S1 (en) 2010-09-29 2012-02-07 Milwaukee Electric Tool Corporation Adapter for a tool
USD651062S1 (en) 2010-09-29 2011-12-27 Milwaukee Electric Tool Corporation Tool interface for an accessory
USD646542S1 (en) 2010-09-29 2011-10-11 Milwaukee Electric Tool Corporation Accessory interface for a tool
USD651874S1 (en) 2010-12-14 2012-01-10 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD651876S1 (en) 2010-12-14 2012-01-10 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD651875S1 (en) 2010-12-14 2012-01-10 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD651877S1 (en) 2010-12-14 2012-01-10 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD652274S1 (en) 2010-12-14 2012-01-17 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD651878S1 (en) 2010-12-14 2012-01-10 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD694599S1 (en) 2012-06-25 2013-12-03 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD694597S1 (en) 2012-06-25 2013-12-03 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD694076S1 (en) 2012-06-25 2013-11-26 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD694598S1 (en) 2012-06-25 2013-12-03 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD694596S1 (en) 2012-06-25 2013-12-03 Techtronic Power Tools Technology Limited Universal interface for accessory blades
US9555554B2 (en) 2013-05-06 2017-01-31 Milwaukee Electric Tool Corporation Oscillating multi-tool system
USD717086S1 (en) * 2014-04-28 2014-11-11 Pendleton Safe Company, Inc. Shelf

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2278301A (en) * 1941-02-12 1942-03-31 Abrasive Company Grinding wheel
US2652321A (en) * 1950-09-07 1953-09-15 Norton Co Grinding wheel
US2805530A (en) * 1955-06-30 1957-09-10 Schaffner Mfg Company Inc Finishing apparatus
US2882139A (en) * 1957-02-12 1959-04-14 F L & J C Codman Company Process of manufacture of buffing elements
US3191208A (en) * 1962-04-19 1965-06-29 George R Churchill Company Inc Buffing wheel
US3353306A (en) * 1964-01-31 1967-11-21 Norton Co Hub mounting for grinding wheels
US3362114A (en) * 1964-11-04 1968-01-09 Rexall Drug Chemical Universal driving spindle and wheel assembly
US3500592A (en) * 1968-01-09 1970-03-17 Robert A Harrist Plastic hub and the application thereof to an abrasive wheel
US3667169A (en) * 1970-04-27 1972-06-06 Norton Co Abrasive finishing article
DE2324616A1 (en) * 1972-05-17 1973-12-06 S P A M GRINDING TOOLS
US3793783A (en) * 1972-10-02 1974-02-26 Norton Co Segmental cut-off grinding wheel
US3795078A (en) * 1972-11-01 1974-03-05 Norton Co Segmental cut-off wheel
US3795077A (en) * 1972-12-04 1974-03-05 Norton Co Segmental cut-off grinding wheel
US4177611A (en) * 1978-05-24 1979-12-11 Carr Rollett Derrick Sanding and buffing attachment for power tools
US4251955A (en) * 1979-01-29 1981-02-24 The Warner & Swasey Company Hub assembly
IT1145270B (en) * 1979-07-09 1986-11-05 Merit Abrasive Prod IMPROVEMENT IN ABRASIVE DISCS
DE3112773A1 (en) * 1981-03-31 1982-10-07 Manfred 5860 Iserlohn Siebel Device for clamping polishing wheels on the drive spindle of a polishing machine
US4541205A (en) * 1983-04-08 1985-09-17 United Abrasives, Inc. Abrasive wheel assembly
US4850158A (en) * 1987-10-09 1989-07-25 Schaffner William M Method of making buffing wheel
US5138735A (en) * 1991-03-18 1992-08-18 Safety-Kleen Corporation Buffing pad and attachment system therefor
DE4236964A1 (en) * 1992-11-02 1994-05-05 Hilti Ag Disc-shaped tool for angle grinders
DE4430229A1 (en) 1994-08-25 1996-02-29 Eisenblaetter Gerd Gmbh Overlapping leaf abrasive disc esp. for attachment to grinder or sander
DE4432168A1 (en) * 1994-09-09 1996-03-14 Rueggeberg August Flap grinding wheel
US5806132A (en) * 1995-05-23 1998-09-15 The Malish Corporation Locking coupler for floor maintenance pad
JPH1199460A (en) * 1997-09-29 1999-04-13 Yanase Kk Rotary polishing tool
ES2178800T3 (en) * 1997-10-16 2003-01-01 Rueggeberg August Gmbh & Co ABRASIVE DISC.
US6136143A (en) * 1998-02-23 2000-10-24 3M Innovative Properties Company Surface treating article including a hub

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02064316A1 *

Also Published As

Publication number Publication date
CN100431794C (en) 2008-11-12
EP1361935B1 (en) 2007-10-10
CN1457285A (en) 2003-11-19
US20030176153A1 (en) 2003-09-18
JP2004517749A (en) 2004-06-17
DE50211041D1 (en) 2007-11-22
WO2002064316A1 (en) 2002-08-22
KR20030014665A (en) 2003-02-19
MY133293A (en) 2007-11-30
US6902471B2 (en) 2005-06-07
DE10106979A1 (en) 2002-09-05

Similar Documents

Publication Publication Date Title
EP1361935B1 (en) Heavy-duty tool with a rotationally driven, disk-shaped hub
EP1361934B1 (en) Utility tool with a rotatingly driveable, disk-shaped hub
EP1501656B1 (en) Attachment and rapid-chucking system, comprising a rotatably driven, disc-shaped hub
EP1274541B1 (en) Tool mounting
EP1404490B1 (en) Attachment for grinder
EP1684944B1 (en) Tool receiving device for a machine tool, comprising an at least essentially disk-shaped hub
DE202004021498U1 (en) Device for fastening a tool to an oscillating drivable drive shaft of a hand tool machine
WO2003011527A1 (en) System with a tool holding fixture
WO2001076822A1 (en) Grinding machine tool support
EP1507629B1 (en) System comprising a tool retainer
WO2003103897A2 (en) Insert tool comprising an attaching unit
EP3038795A1 (en) Vulcanized fiber grinding tool
DE102008025554A1 (en) Lamella grinding wheel for e.g. rotary working grinding machine, has wheel rim formed with grinding lamellas comprising circular sectioned outer edge, where cutting takes place when grinding lamellas is joined to wheel rim
EP1068048B1 (en) Plated grinding tool
DE3323409C1 (en) Saw blade
EP1684943B1 (en) Tool holding fixture
DE3404036A1 (en) TOOLS FOR PLASTERING EDGES
EP1050377A2 (en) Rotating machine grinding tool
DE202018102754U1 (en) cutting wheel
WO2011067074A1 (en) System for cutting objects
EP2353783A2 (en) Joint grinding system

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20030915

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHULZE, WILHELM

Inventor name: HUBER, JOHANN

Inventor name: HOELZL, CHRISTOF

Inventor name: SCHADOW, JOACHIM

Inventor name: HECKMANN, MARKUS

Inventor name: KRONDORFER, HARALD

17Q First examination report despatched

Effective date: 20060920

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 50211041

Country of ref document: DE

Date of ref document: 20071122

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20080121

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20080125

Year of fee payment: 7

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20080711

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090123

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20130122

Year of fee payment: 12

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20140123

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140123

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20180124

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190131

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20200324

Year of fee payment: 19

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50211041

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210803