EP1105252B1 - Porte-outil - Google Patents

Porte-outil Download PDF

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Publication number
EP1105252B1
EP1105252B1 EP00943868A EP00943868A EP1105252B1 EP 1105252 B1 EP1105252 B1 EP 1105252B1 EP 00943868 A EP00943868 A EP 00943868A EP 00943868 A EP00943868 A EP 00943868A EP 1105252 B1 EP1105252 B1 EP 1105252B1
Authority
EP
European Patent Office
Prior art keywords
grinding
tool carrier
tool
carrier
natural fibers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00943868A
Other languages
German (de)
English (en)
Other versions
EP1105252A1 (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
Original Assignee
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
Priority to EP06016758.2A priority Critical patent/EP1741516B1/fr
Publication of EP1105252A1 publication Critical patent/EP1105252A1/fr
Application granted granted Critical
Publication of EP1105252B1 publication Critical patent/EP1105252B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B24D9/003—Wheels having flaps of flexible abrasive material supported by a 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories
    • 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
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/04—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising a plurality of flaps or strips arranged around the axis
    • 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
    • B24D9/04—Rigid drums for carrying flexible material

Definitions

  • the invention relates to a, reinforced with natural fibers, molded by injection molding of granules, rotationally symmetric, rigid and rigid tool carrier according to the preamble of the independent claim.
  • A reinforced with natural fibers, molded by injection molding of granules, rotationally symmetric, rigid and flexurally stiff tool carrier whose fiber reinforcement is solidified by a binder is detachable with a rotary drive. connectable and also has a tool support surface for receiving at least one grinding and / or polishing element.
  • a material processing tool with a natural fiber reinforced, rotationally symmetrical, rigid and rigid tool carrier which is detachably connectable to a rotary drive and has a tool support surface, at least one grinding and / or polishing element is received on the tool support surface.
  • the rotationally symmetrical tool carrier can, for. B. be a circular disc or a cylindrical roller.
  • a material processing tool may be, for example, fan grinders, fan sanding brushes or rollers, roughing wheels, cutting wheels, polishing wheels, etc.
  • Such materials processing tools find their applications everywhere where surfaces of any material to be edited, smoothed, polished and / or modeled. More general formulated there, where must be removed from a workpiece material. These tools are wearing parts that are manufactured and consumed in large quantities.
  • abrasive and / or polishing elements may be, for example, felt polishing body, abrasive or polishing fleece, abrasive cloth and the like.
  • a core idea of the invention can be seen in the fact that the tool carrier of the material processing tool instead, as hitherto made of plastic, of natural materials, and thus, substantially part, made of renewable resources.
  • the tool carriers made of materials with natural fibers have very good thermal and mechanical properties.
  • Another positive aspect of the invention is that the natural fiber materials are now relatively inexpensive to obtain and process.
  • binders are suitable.
  • Organic or inorganic binders can be used. Examples are phenolic resins, styrene resins, polycarbonates or polyolefins, in particular polypropylene.
  • binders are particularly unproblematic.
  • cellulosic materials can be used as binders.
  • the tool carrier is made of a granulate which has the constituents natural fibers and binders, for example polypropylene.
  • the production with granules is particularly simple and inexpensive.
  • the granules are, as known from plastic injection molding technology, melted and injected into appropriate molds, wherein in a particularly suitable mixture, the granules each consist of 50% natural fibers and polypropylene.
  • the grinding and / or polishing element may also be at least partially made of natural fibers. This is in turn with regard to the environmentally sound disposal of the used material processing tool advantage.
  • FIG. 1 shows a flap wheel 1 which consists of a tool carrier 7 and fan-shaped grinding elements 5 (grinding blades).
  • the tool carrier 7 also has a circular shape, wherein in the view shown here, the outer edge of the tool carrier 7 is visible only in a small angle segment. In the circle center of the tool carrier 7, an opening 3 is incorporated, which serves to connect the flapper disc 1 with a rotary drive.
  • the tool carrier 7 is made of a hemp / polypropylene granules.
  • the natural fibers 31 are shown schematically in FIG.
  • the tool carrier 7 has a tool support surface 9, on which a plurality of grinding elements 5 is arranged like a fan. In a small angular segment, however, the grinding elements 5 are omitted for purposes of illustration.
  • FIG. 2 shows a so-called mop wheel 11 which has a roller-shaped tool carrier 15 with radially arranged grinding elements 17 (grinding lamellae).
  • an axis 19 is used in the middle in the illustrated example, via which the mop 11 can be connected to a drive.
  • the tool support surface 21 is in this embodiment, the lateral surface of the cylinder, wherein the grinding elements 17 are mounted on the lateral surface and project radially from the tool carrier 15.
  • the tool carrier 15 is also made of a Natural fiber / binder granules made.
  • the grinding elements 17 are omitted for illustrative purposes to illustrate the tool support surface 21.
  • a partial area is shown broken up and the natural fibers 31 are schematically indicated.
  • FIG. 3 shows a roller-like trained tool carrier 23, on the tool support surface 25 of which an endless grinding or polishing belt unrolls during operation.
  • the tool carrier 23 has an axial opening 29 which serves to connect to a rotary drive (not shown).
  • the abrasive element, i. H. the endless abrasive belt 27 of the tool support surface 25 is not received as in the embodiments shown in Figure 1 and Figure 2 by a Stoffschluß- but by a frictional connection.
  • the grinding blades 5, 17 of the examples according to FIGS. 1 and 2 consist of a fabric of natural fibers such as hemp or flax, which is occupied on the working side with abrasive grain.
  • the abrasive cloth is impregnated in a manner known per se, for example phenolic resins, and e.g. sprayed with urea, so that a good adhesion of the abrasive grain is given.
  • the abrasive belt 27 according to the example of FIG. 3 also consists of a fabric of natural fibers with an abrasive grain occupancy.
  • the grinding tool comprises a disc-shaped tool carrier 10, a separate tissue carrier 30 which can be fastened detachably on the tool carrier 10 and radially oriented grinding lamellae 16 mounted thereon.
  • Base material for tool carrier 10, tissue carrier 30 and abrasive lamellae 16 are each natural fibers that are processed and adapted differently depending on the purpose.
  • micro hooks 12 which are also referred to as Velcro hooks. They interact with a support 26 of loose threads as so-called Velcro, so that the fabric support 30 can be easily attached to the tool carrier or removed from it.
  • the natural fibers are provided with an impregnation, which improves the adhesive bond with the grinding blades 16.
  • the tissue carrier 30 occupied by abrasive lamellae 16 is thus an article which can be replaced after the wear of the abrasive lamellae 16 by a new tissue carrier occupied by unconsumable abrasive lamellae 16, while the tool carrier 10 can be retained for the conservation of resources.

Claims (2)

  1. Porte-outil raide et rigide à la flexion, à symétrie de révolution, formé de granulat moyennant la technique de moulage par injection, renforcé de fibres naturelles, le renfort de fibres étant consolidé par un liant, qui est apte à être relié de manière amovible à un entraînement rotatif, avec une surface d'appui (9 ; 21 ; 25) d'un outil destinée à recevoir au moins un élément d'abrasion et/ou de polissage (5 ; 17 ; 27),
    caractérisé en ce
    qu'il est réalisé en un granulat comportant comme éléments constitutifs des fibres naturelles (31) et des liants,
    que la part de fibres naturelles est comprise entre 50 % et 85 % et
    que les fibres naturelles (31) sont des fibres de chanvre ou de lin.
  2. Porte-outil selon la revendication 1,
    caractérisé en ce
    que le liant est une résine artificielle.
EP00943868A 1999-06-22 2000-06-23 Porte-outil Expired - Lifetime EP1105252B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06016758.2A EP1741516B1 (fr) 1999-06-22 2000-06-23 Porte-outil

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29910931U 1999-06-22
DE29910931U DE29910931U1 (de) 1999-06-22 1999-06-22 Werkzeugträger
PCT/EP2000/005796 WO2000078506A1 (fr) 1999-06-22 2000-06-23 Porte-outil

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP06016758.2A Division EP1741516B1 (fr) 1999-06-22 2000-06-23 Porte-outil

Publications (2)

Publication Number Publication Date
EP1105252A1 EP1105252A1 (fr) 2001-06-13
EP1105252B1 true EP1105252B1 (fr) 2007-02-14

Family

ID=8075173

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06016758.2A Expired - Lifetime EP1741516B1 (fr) 1999-06-22 2000-06-23 Porte-outil
EP00943868A Expired - Lifetime EP1105252B1 (fr) 1999-06-22 2000-06-23 Porte-outil

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06016758.2A Expired - Lifetime EP1741516B1 (fr) 1999-06-22 2000-06-23 Porte-outil

Country Status (5)

Country Link
EP (2) EP1741516B1 (fr)
AT (1) ATE353739T1 (fr)
DE (2) DE29910931U1 (fr)
ES (2) ES2476795T3 (fr)
WO (1) WO2000078506A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012000647A1 (fr) 2010-06-29 2012-01-05 Gerd Eisenblätter Gmbh Porte-outil doté d'un renforcement en fibres de jute, ainsi que procédé de moulage par injection pour la production d'un tel porte-outil
US9764449B2 (en) 2014-05-29 2017-09-19 Saint-Gobain Abrasives, Inc. Abrasive article having a core including a polymer material

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10106631A1 (de) * 2001-02-12 2002-08-22 Rueggeberg August Gmbh & Co Tragteller für Fächerschleifscheibe und Fächerschleifscheibe
CN101376233B (zh) * 2007-08-27 2010-09-15 四川省三台县固锐实业有限责任公司 一种翘八度平面砂布轮
FI125880B (fi) 2009-04-29 2016-03-31 Picote Oy Ltd Työkalu ja menetelmä putkiston saneeraamiseen
DE102012021267B4 (de) 2012-09-18 2022-02-24 Ppr Gmbh Fächerschleifscheibe
ES2553006T3 (es) 2012-09-18 2015-12-03 Ppr Gmbh Muela abrasiva de abanico
DE102015011442A1 (de) 2015-09-01 2017-03-02 Gerd Eisenblätter Gmbh Fächerschleifscheibe, Tragteller dafür und Verfahren zu deren Herstellung
DE102016002401A1 (de) 2016-02-29 2017-08-31 Gerd Eisenblätter Gmbh Schleifscheibe und Tragteller dafür
DE102016002400A1 (de) 2016-02-29 2017-08-31 Gerd Eisenblätter Gmbh Schleifscheibe und Tragteller dafür
DE102021127343A1 (de) 2021-10-21 2023-04-27 Klingspor Ag Schleifvorrichtung mit Trägerrad und Schleifmittel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB951450A (en) * 1959-05-15 1964-03-04 Osborn Mfg Co Abrasive articles
US3498010A (en) * 1965-06-03 1970-03-03 Nobuyoshi Hagihara Flexible grinding disc
US3449871A (en) * 1966-06-18 1969-06-17 Hisamine Kobayashi Beeline flow finishing method and apparatus
DE4020461C1 (en) * 1990-06-27 1991-07-18 Gerd Eisenblaetter Gmbh, 8192 Geretsried, De Face grinding disc tool - has replaceable grinding disc with backing disc having plastics rods
US5316812A (en) * 1991-12-20 1994-05-31 Minnesota Mining And Manufacturing Company Coated abrasive backing
WO1995022438A1 (fr) * 1994-02-22 1995-08-24 Minnesota Mining And Manufacturing Company Procede de fabrication d'un article abrasif sur support sans fin et produit obtenu

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012000647A1 (fr) 2010-06-29 2012-01-05 Gerd Eisenblätter Gmbh Porte-outil doté d'un renforcement en fibres de jute, ainsi que procédé de moulage par injection pour la production d'un tel porte-outil
US9764449B2 (en) 2014-05-29 2017-09-19 Saint-Gobain Abrasives, Inc. Abrasive article having a core including a polymer material
US10213903B2 (en) 2014-05-29 2019-02-26 Saint-Gobain Abrasives, Inc. Abrasive article having a core including a polymer material

Also Published As

Publication number Publication date
EP1105252A1 (fr) 2001-06-13
DE50014059D1 (de) 2007-03-29
ATE353739T1 (de) 2007-03-15
DE29910931U1 (de) 1999-08-26
WO2000078506A1 (fr) 2000-12-28
ES2476795T3 (es) 2014-07-15
EP1741516A1 (fr) 2007-01-10
EP1741516B1 (fr) 2014-04-02
ES2280228T3 (es) 2007-09-16

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