EP0781629B1 - Elément abrasif adaptable directement ou indirectement à une machine ou à un support d'abrasif actionné manuellement ainsi qu'un adaptateur approprié - Google Patents

Elément abrasif adaptable directement ou indirectement à une machine ou à un support d'abrasif actionné manuellement ainsi qu'un adaptateur approprié Download PDF

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Publication number
EP0781629B1
EP0781629B1 EP96106587A EP96106587A EP0781629B1 EP 0781629 B1 EP0781629 B1 EP 0781629B1 EP 96106587 A EP96106587 A EP 96106587A EP 96106587 A EP96106587 A EP 96106587A EP 0781629 B1 EP0781629 B1 EP 0781629B1
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EP
European Patent Office
Prior art keywords
layer
grinding
abrasive
perforation
grinding body
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP96106587A
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German (de)
English (en)
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EP0781629A1 (fr
Inventor
Peter Jöst
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Individual
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Individual
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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
    • B24D9/08—Circular back-plates for carrying flexible material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines

Definitions

  • the invention relates to an abrasive body according to the Preamble of claim 1, a combination of one Abrasive body and an abrasive holder and one for appropriate application on a machine grinding plate or sanding plate or on an actuatable Abrasive holder with or without suction, suitable adapter.
  • Abrasive bodies of the type mentioned, in particular machine-adaptable grinding wheels are in the most varied Embodiments, in terms of structure and known geometric shape.
  • circular grinding wheels commercially available with a velor on the back for attaching to the sanding plate.
  • the Grinding wheels also have, for example, six or eight holes arranged in a circle by several Millimeters in diameter with the corresponding Drilled hole in the sanding plate covered must be removed in order to extract the grinding dust enable (catalog Bosch DIY program 1994/95, P. 22).
  • abrasives are in the form of sanding grids known (US 4 937 984, US 5 007 206, US 5 503 627).
  • sanding grids are difficult to attach because they need to be excited. You only have one relative short service life.
  • the present invention is therefore based on the object based on a grinding wheel as well as corresponding Adaption means for machines or manual tools too create the disadvantage of the state of the described Counter technology effectively and at the same time continuous, regular and satisfactory Removal of the grinding dust ensures which both can be used individually or in combination are.
  • this object is achieved by a grinding wheel according to the characterizing part of claim 1, by a Combination of an abrasive wheel and an abrasive holder according to claim 12 or by an adapter solved according to claim 14.
  • both the grinding wheel and also the one used for some work-related fastenings Adapter a network of breakthroughs that both among themselves, i.e. communicate with each other, as well as, for example, with the suction device Machine in communication so that both the exhaust air as well as the particle flow is effective and the dust can be removed.
  • the present invention is characterized from that by means of this on the one hand a machine adaptable Abrasive body is formed, the least consists of a layer containing the abrasive and directly or indirectly using an adapter on the Sanding disc or the grinding plate of the machine can be attached to work and where means are provided with the suction of the Sanding plates or the grinding plate of the machine can cooperate, being the essence of the present Invention is that at least the grinding wheel has a perforation that is approximately even over spread the entire surface of the grinding wheel or is at least partially arranged and at least that Abrasive layer penetrates, the Distance of the individual who form the perforation Breakthroughs to each other and to the Suction devices of the grinding plate or Sanding plate are arranged so that an almost jam-free Transport of the grinding dust is effected.
  • this grinding wheel is characterized by that it consists of at least one containing the abrasive Layer exists and that directly or with the help of a Adapters indirectly on an abrasive holder can be fastened to suit the work and also means are provided with the suction of the Abrasive holder can interact.
  • This grinding wheel is characterized in that at least the grinding wheel has a perforation, which are approximately even over the entire surface of the Distributed abrasive or at least partially arranged and at least the one containing the abrasive Layer penetrates, the distance of each, the Perforations forming each other and opposite the suction devices of the abrasive holder are arranged so that an almost dustless transport of the grinding dust is caused.
  • the invention provides a grinding wheel created the one without suction devices satisfactory removal of the grinding dust causes. It was recognized that the presence of the Perforation of the sanding dust solely by the contact pressure away from the grinding surface and in zones and layers is pushed behind the grinding plane. So is a Clogging of the abrasive grains almost avoided.
  • the adapter also has one with the perforation the interacting perforation of the grinding wheel.
  • a first particularly preferred embodiment of the present invention provides an abrasive body which consists of the layer containing the abrasive and / or the layer carrying or embedding the abrasive and / or the Velcro adaptation layer, which are penetrated together by the perforation.
  • An auxiliary functional layer can be arranged between the layer containing the abrasive or its carrier or embedding layer and the Velcro adaptation layer.
  • Such auxiliary function layers can be formed as elastic adaptation layers or compensation layers, for example made of foam.
  • these auxiliary function layers can also have a temperature blocking effect and be suitable for both wet and dry grinding. All the layers forming the grinding wheel are preferably penetrated by a common perforation.
  • the auxiliary functional layer consists of a foam-like structure, it does not provide any perforation, but rather forms communication and transport channels itself through its foam-like structure, between the perforations of the perforation of the adjacent layer and the suction devices of the grinding plate or the tools used.
  • the perforation as well as the communication channels can flow through gas and particles.
  • the shapes of the perforations forming the perforation can be circular, angular and oval. You can also through slot-like openings, which are linear or are aligned in an arc. This applies to the perforation of the grinding wheel as well also for the perforation of the adapter. Both the Abrasive wheel as well as the adapter can be disc-shaped circular, angular, i.e. rectangular or triangular or also be star-shaped.
  • the abrasive backing consists of paper, tissue or a fleece.
  • the present invention also provides an adapter ready to work on machine or Abrasive holder arrangement of a conventional as also an abrasive wheel according to claims 1 to 11 is suitable and is characterized in that the Velcro adapter layer adapter, one Foam particle layer and a velor layer, the one pointing to the grinding wheel Velcro adaptation layer penetrated by the perforation is.
  • the perforation as such, both in the grinding wheel as well as in the adapter according to the invention, where the layer as such gas or particle flow impermeable.
  • the property of Abrasive body in terms of structure and layers, with Exception of the grinding layer, also apply to the Adapters.
  • FIGS. 4 and 5 show a grinding plate 5, the with Suction devices 7, here individual radially arranged Holes. About these Suction devices 7 is conventionally the removed grinding dust is fed into a collecting bag, the actual suction device on or in Grinder is integrated. This representation is representative of a grinding plate or one other abrasive holder 6 with or without Suction devices.
  • the abrasives for example circular grinding wheels, also with Provide openings that are congruent to the Suction devices 7 are to be applied.
  • the grinding plate 5 has a Velcro adaptation surface 17.
  • Both the latter layer and the The perforation surface is fixed on a support plate 19 applied which a connecting element 20 for Owns the machine.
  • Both the Velcro adaptation surface 17 and also the soft layer 18 and the support plate 19 of the Sanding discs are in shape from the suction devices 7 penetrated by perforations or bores.
  • a grinding wheel 1 according to FIG. 1 is now used to 3 and an adapter according to Figures 5 to 7 created.
  • the general idea of the invention is expressed for example in Figures 1 to 3.
  • the grinding wheel 1 is provided with a perforation 8, which is distributed over the entire area, for example.
  • the abrasive body 1 can be made from a wide variety Layers are formed. This depends on respective grinding process, quality of the ground Layer and the material to be found. At least it is according to the invention the layer 3 carrying the abrasive 2 of the perforations 9 forming the perforation 8 enforced.
  • Openings 9 of the perforation 8 to one another and opposite the suction devices 7 of the grinding plate 5 is an almost dust-free transport of the grinding dust the suction devices 7 causes.
  • the inventive grinding wheel 1, from which Abrasive 2 layer 3 and the Abrasive 2 or the abrasive 2 embedding layer 10 and a Velcro adaptation layer 11 formed, all penetrated by the perforation 8 are.
  • this can also be an auxiliary functional layer 12 arranged between the layer 3 containing the abrasive 2 or its carrier or embedding layer 10 and the Velcro adaptation layer 11, which can be present, for example, as a foam body for the purpose of elastic adaptation and compensation, but also as a temperature barrier layer.
  • This can also be produced for wet or dry grinding designs.
  • all the layers forming the grinding body 1 can be penetrated by a common perforation or only individual layers can be penetrated by this.
  • the auxiliary functional layer 12 has no perforation 8, but rather forms communication channels 13 between the openings 9 of the perforation 8 and the suction devices 7 of the grinding plate 5 due to its own foam-like structure. It goes without saying that both the perforation 8 and the communication channels 13 can flow through both gas and particles. The same also applies to the construction of the adapter according to FIGS. 6 to 7.
  • the adapter 4 also provides the perforation 8 here, which, if the adapter 4 consists of a Velcro adaptation layer 14, only penetrates this if a foam particle layer 15 is also shown, as shown here a subsequent velor layer 16, which can itself be flowed through.
  • FIG. 8 shows a perforation 8 which is formed from circular openings.
  • FIG. 9 shows star-shaped openings 9 and FIG. 10 polygonal openings 9. These openings can be symmetrical like the square, rectangular or triangular openings according to FIGS. 11 to 13, or they can be of an asymmetrical shape.
  • FIG. 14 shows oval openings 9. The choice of the geometric shape is determined by the respective application. So slot-like openings 9 in a linear (FIG. 15) or arc-shaped alignment (FIG. 16) are also possible.
  • the essence of the invention is determined, inter alia, by the perforations in the grinding wheel and in the adapter or their layer structure. It was thus recognized that both the grinding wheel and the adapter can be used separately or in combination with one another.
  • the adapter according to the invention can even be used with conventional Abrasive bodies having perforations can be used in the sense of the inventive concept.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Claims (16)

  1. Corps abrasif, constitué au moins par une couche (3) imperméable au courant de particules et présentant un produit abrasif (2), susceptible d'être fixé en position de fonctionnement correcte sur un support à produit abrasif (5, 6) soit directement soit indirectement à l,aide d'un adaptateur (4), avec des traversées (9) qui traversent au moins la couche (3) présentant le produit abrasif (2), et par une couche, notamment une couche d'adaptation agrippante (11) qui est perméable au courant de gaz et de particules, caractérisé en ce que les traversées (9) sont réalisées comme des perforations (8), susceptibles d'être traversées par le gaz et par les particules, qui sont réparties de façon approximativement régulière sur toute la surface du corps abrasif ou bien sur une partie de celui-ci, les traversées individuelles (9) formant les perforations (8) étant en liaison les unes avec les autres, et leur distance les unes par rapport aux autres étant choisie de telle sorte que l'on assure un transport continu des poussières d'abrasion pratiquement sans stagnation.
  2. Corps abrasif selon la revendication 1, caractérisé en ce que la couche (3) présentant le produit abrasif (2) et la couche d'adaptation agrippante (11) sont traversées en commun par les perforations (8).
  3. Corps abrasif selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce qu'il est prévu, entre la couche (3) présentant le produit abrasif (2) ou sa couche de support ou de noyage (10), et la couche d'adaptation agrippante (11), une autre couche perméable au gaz et aux particules qui est réalisée comme couche d'adaptation élastique ou comme couche de compensation, ou encore comme couche d'isolation thermique ou qui convient à l'abrasion par voie humide et/ou à sec.
  4. Corps abrasif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les couches formant le corps abrasif (1) présentent des perforations communes (8).
  5. Corps abrasif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'autre couche (12) ne présente pas de perforation (8) et forme, par une structure de type mousse, des canaux de communication (13) entre les traversées (9) des perforations (8) de la couche voisine et les moyens d'aspiration (7) du support à produit abrasif (5, 6).
  6. Corps abrasif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les canaux de communication (13) sont également susceptibles d'être traversés par le gaz et par les particules.
  7. Corps abrasif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les perforations (8) sont formées par des traversées circulaires, polygonales ou ovales (9).
  8. Corps abrasif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les perforations (8) sont formées par des traversées (9) en forme de fentes qui sont alignées notamment en forme linéaire ou en forme d'arc.
  9. Corps abrasif selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'il est réalisé en forme de disque.
  10. Corps abrasif selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'il est réalisé sous forme circulaire, polygonale, notamment rectangulaire, triangulaire ou sous forme d'étoile.
  11. Corps abrasif selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le support à produit abrasif est constitué en papier, en un tissu ou une nappe.
  12. Combinaison d'un corps abrasif selon l'une quelconque des revendications 1 à 11 et d'un support à produit abrasif (5, 6) sur lequel est fixé le corps abrasif et qui présente des moyens qui coopèrent avec des moyens d'aspiration (7), dans laquelle la distance des traversées (9) par rapport aux moyens d'aspiration (7) du support à produit abrasif (5) est choisie telle que l'on assure un transport pratiquement sans stagnation des poussières d'abrasion.
  13. Combinaison selon la revendication 12, caractérisée en ce qu'elle est susceptible d'être fixée sur un support à produit abrasif (5) d'une machine, réalisé comme une rondelle d'abrasion ou une plaque d'abrasion.
  14. Adaptateur pour l'agencement en position de fonctionnement correcte d'une machine ou d'un support à produit abrasif aussi bien d'un corps abrasif traditionnel que d'un corps abrasif selon l'une quelconque des revendications 1 à 11, qui est constitué par une couche d'adaptation agrippante (14), par une couche de particules en mousse (15) et par une couche de velours (16), qui sont perméables aux courants de gaz et de particules, dans lequel la couche d'adaptation agrippante (14) dirigée vers le corps abrasif (1) est traversée par les perforations (8) perméables aux courants de gaz et de particules et réparties de façon approximativement régulière sur toute la surface de l'adaptateur ou bien sur une partie de celle-ci.
  15. Adaptateur selon la revendication 14, caractérisé en ce que la couche de particules en mousse (15) est réalisée comme une couche d'adaptation élastique ou comme une couche de compensation ou encore une couche d'isolation thermique, ou bien en ce qu'elle convient à l'abrasion par voie humide et/ou à sec.
  16. Adaptateur selon la revendication 15, caractérisé en ce que la couche de particules en mousse (15) ne présente pas de perforations (8) et forme, par la structure du type mousse, des canaux de communication (13) susceptibles d'être traversés par le gaz et par les particules entre les traversées (9) des perforations de la couche voisine et les moyens d'aspiration de la rondelle d'abrasion ou de la plaque d'abrasion ou encore du support à produit abrasif.
EP96106587A 1995-12-29 1996-04-26 Elément abrasif adaptable directement ou indirectement à une machine ou à un support d'abrasif actionné manuellement ainsi qu'un adaptateur approprié Expired - Lifetime EP0781629B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29520566U DE29520566U1 (de) 1995-12-29 1995-12-29 Direkt oder indirekt mit einer Maschine oder einem manuell betreibbaren Schleifmittelhalter adaptierbarer Schleifkörper sowie ein hierfür geeigneter Adapter
DE29520566U 1995-12-29

Publications (2)

Publication Number Publication Date
EP0781629A1 EP0781629A1 (fr) 1997-07-02
EP0781629B1 true EP0781629B1 (fr) 1999-06-09

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EP96106587A Expired - Lifetime EP0781629B1 (fr) 1995-12-29 1996-04-26 Elément abrasif adaptable directement ou indirectement à une machine ou à un support d'abrasif actionné manuellement ainsi qu'un adaptateur approprié

Country Status (7)

Country Link
US (1) US5810650A (fr)
EP (1) EP0781629B1 (fr)
AT (1) ATE181010T1 (fr)
DE (2) DE29520566U1 (fr)
DK (1) DK0781629T3 (fr)
ES (1) ES2132803T3 (fr)
GR (1) GR3030560T3 (fr)

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DE102010002539A1 (de) 2010-03-03 2011-09-08 Jöst Gmbh Schleifkörper mit Staubspeicherschicht
EP2409592A2 (fr) 2010-07-20 2012-01-25 Gottlieb Binder GmbH & Co. KG Pièce de fermeture adhésive et procédé de fabrication d'une pièce de fermeture adhésive
DE102012201329A1 (de) 2012-01-31 2013-08-01 Robert Bosch Gmbh Baueinheit
EP2957387A1 (fr) 2014-06-18 2015-12-23 Hermes Schleifmittel GmbH & Co. KG Adaptateur destiné à l'application d'une meule sur un bloc support
DE102017216175A1 (de) * 2017-09-13 2019-03-14 Robert Bosch Gmbh Schleifartikel

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CN103079768B (zh) 2010-07-02 2015-12-02 3M创新有限公司 涂覆磨料制品
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WO2012020275A1 (fr) * 2010-08-10 2012-02-16 Miksa Marton Appareil de ponçage
EP2422931A1 (fr) * 2010-08-31 2012-02-29 Jöst GmbH Universal tête de meulage avec hotte d'extraction pour une ponceuse rotative
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US10099343B2 (en) * 2010-11-15 2018-10-16 3M Innovative Properties Company Abrasive disc with universal hole pattern
US10029349B2 (en) 2011-09-20 2018-07-24 Robert Bosch Gmbh Retaining body for flexible grinding means, grinding system and grinding tool
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US5036627A (en) * 1989-06-28 1991-08-06 David Walters Dustless sanding device
US4964243A (en) * 1989-07-10 1990-10-23 Reiter John P Vacuum pole sander
US5007206A (en) * 1989-10-05 1991-04-16 Paterson Patrick J Dustless drywall sander
US5027470A (en) * 1990-10-09 1991-07-02 Robert Takashima Dustless surface treatment machine
US5220752A (en) * 1991-07-22 1993-06-22 Christopher Cheney Conformable sanding device incorporating a flexible attachment means
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DE9113647U1 (de) * 1991-11-02 1992-01-02 Fabritius, Hans-Josef, 4400 Münster Arbeitsscheibenanordnung
DE4205977A1 (de) * 1992-02-27 1993-09-02 Bosch Gmbh Robert Schleifteller aus mehreren werkstoffschichten
IT226758Z2 (it) * 1992-07-09 1997-07-01 Norton Utensile abrasivo quale disco striscia e simili per una macchina per la carteggiatura e la levigatura
FI96585C (sv) * 1994-09-06 1996-07-25 Kwh Mirka Ab Oy Slipprodukt
US5674122A (en) * 1994-10-27 1997-10-07 Minnesota Mining And Manufacturing Company Abrasive articles and methods for their manufacture

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010002539A1 (de) 2010-03-03 2011-09-08 Jöst Gmbh Schleifkörper mit Staubspeicherschicht
EP2409592A2 (fr) 2010-07-20 2012-01-25 Gottlieb Binder GmbH & Co. KG Pièce de fermeture adhésive et procédé de fabrication d'une pièce de fermeture adhésive
DE102010027616A1 (de) 2010-07-20 2012-01-26 Gottlieb Binder Gmbh & Co. Kg Haftverschlussteil und Verfahren zur Herstellung eines Haftverschlussteils
DE102012201329A1 (de) 2012-01-31 2013-08-01 Robert Bosch Gmbh Baueinheit
DE202012013026U1 (de) 2012-01-31 2014-07-15 Robert Bosch Gmbh Baueinheit
EP2957387A1 (fr) 2014-06-18 2015-12-23 Hermes Schleifmittel GmbH & Co. KG Adaptateur destiné à l'application d'une meule sur un bloc support
DE102017216175A1 (de) * 2017-09-13 2019-03-14 Robert Bosch Gmbh Schleifartikel
WO2019052787A1 (fr) 2017-09-13 2019-03-21 Robert Bosch Gmbh Article abrasif
US11697186B2 (en) 2017-09-13 2023-07-11 Robert Bosch Gmbh Abrasive article

Also Published As

Publication number Publication date
US5810650A (en) 1998-09-22
ES2132803T3 (es) 1999-08-16
DE59602161C5 (de) 2011-03-03
ATE181010T1 (de) 1999-06-15
DE59602161D1 (de) 1999-07-15
DK0781629T3 (da) 1999-12-06
EP0781629A1 (fr) 1997-07-02
DE29520566U1 (de) 1996-02-22
GR3030560T3 (en) 1999-10-29

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