EP1262284A1 - Diamant-Schleifteller für Werkzeuge zur Oberflächenbearbeitung - Google Patents

Diamant-Schleifteller für Werkzeuge zur Oberflächenbearbeitung Download PDF

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Publication number
EP1262284A1
EP1262284A1 EP02356098A EP02356098A EP1262284A1 EP 1262284 A1 EP1262284 A1 EP 1262284A1 EP 02356098 A EP02356098 A EP 02356098A EP 02356098 A EP02356098 A EP 02356098A EP 1262284 A1 EP1262284 A1 EP 1262284A1
Authority
EP
European Patent Office
Prior art keywords
wall
disc
plate
bottom wall
circular
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.)
Withdrawn
Application number
EP02356098A
Other languages
English (en)
French (fr)
Inventor
Marc Bottazzi
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.)
Fema SA
Original Assignee
Fema SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8863969&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1262284(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fema SA filed Critical Fema SA
Publication of EP1262284A1 publication Critical patent/EP1262284A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • 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
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • 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
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/16—Bushings; Mountings

Definitions

  • the invention relates to the technical sector of tooling portable and more specifically tools for grinding or sanding intended for surfacing materials such as concrete and plaster.
  • the diamond plates are shown for example in Figure 1 and are considered accessories to different surfacing devices such as giraffe sanders including a suction with synchronized vacuum cleaner at start or stop automatic, or concrete grinders.
  • a tray diamond of the aforementioned type is shown in the drawings, Figure 1, and is referenced by (1). It is in the form of a disc, with a bottom wall (1a) support and positioning of a clamping means. Said bottom wall includes a circular central opening (1b) to allow passage to this effect of said clamping means, said wall then being extended by a partially spherical configuration intermediate wall (1c) provided openings (1d) for the flow of dust then by a crown peripheral (1e) parallel to the bottom wall. This crown receives a plurality of abrasive teeth (1f) arranged regularly on the periphery of the crown and internally to it in circles concentric.
  • the aim sought after according to the invention was therefore to remedy the aforementioned drawbacks.
  • the diamond plate abrasive is remarkable in that it is arranged in its bottom wall with a circular opening extended by a profiled cut communicating, creating a global non-circular shape, thus authorizing the intermediate insertion on the motor axis of a coupling disc complementary and drive arranged on the opposite face of the wall exterior of the tray with a complementary projecting shape capable of to engage and focus in the cutting and opening established on said wall of the diamond plate, in order to allow a coupling in order to the rotary drive of said diamond plate.
  • the intermediate coupling disc eliminates the aforementioned slip effects and the abrasive plate turns at the same speed as the motor axis, and there is no more deterioration of the chainrings resulting from the forces linked to its mounting.
  • the diamond plate is referenced by (1), arranged in the manner described above with the exception of its bottom wall (1a) which is arranged differently.
  • Said wall (1a) thus has, as an extension of its opening circular (1b), a complementary cut out shape (1g) opening into the opening (1b) above and so as to create a global shape (F) not circular.
  • This non-circular overall shape is likely to allow adjusting an intermediate disc (2) which has a central bearing threaded (2a) to allow connection and adjustment on the motor axis of the tool chuck.
  • the intermediate disc thus has, on its face (2b) opposite the wall of the diamond plate, an overhanging circular surface (2c) of which the depth (p) corresponds to the thickness (c) of the bottom wall of the plate diamond. Said span is extended in the same plane and thickness by a complementary shape (2d) which is shaped so as to engage and mate directly in the corresponding cut shape (1g) of said wall, and the opening (1b).
  • a protruding shape (2d) may have a complementary circular configuration, but any another form can be considered, the main thing being to ensure mating with the diamond plate.
  • the intermediate disc has, on its other side in extension, another litter (2e) which is likely to come opposite and associate with the motor axis.
  • the abrasive plate which is arranged in combination with the intermediate disc offers big advantages.
  • the speed of rotation of the abrasive plate remains constant and there is no longer a speed difference.
  • the interchangeability of diamond plate is made easy since the clamping elements come resting on the span of the intermediate disc. Assembly or disassembly of the whole is made easy.
  • the intermediate disc absorbs the forces due to the work of the plate abrasive without any transmission then on the motor axis of the tool.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP02356098A 2001-05-31 2002-05-30 Diamant-Schleifteller für Werkzeuge zur Oberflächenbearbeitung Withdrawn EP1262284A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0107342 2001-05-31
FR0107342A FR2825310B1 (fr) 2001-05-31 2001-05-31 Plateaux diamant abrasif pour outils de surfacage

Publications (1)

Publication Number Publication Date
EP1262284A1 true EP1262284A1 (de) 2002-12-04

Family

ID=8863969

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02356098A Withdrawn EP1262284A1 (de) 2001-05-31 2002-05-30 Diamant-Schleifteller für Werkzeuge zur Oberflächenbearbeitung

Country Status (2)

Country Link
EP (1) EP1262284A1 (de)
FR (1) FR2825310B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030076889A (ko) * 2002-03-23 2003-09-29 최지태 연마 디스크컵 성형방법 및 연마 디스크컵
FR3045428A1 (fr) * 2015-12-21 2017-06-23 Mbh Dev Disque a meuler ou a poncer ou autre pour appareil electro-portatif

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810239A (en) * 1956-11-06 1957-10-22 Arthur C Burleigh Holder for abrasive disk
US3623281A (en) * 1969-06-16 1971-11-30 Robert H Moffat Mounting fixture
EP0904896A2 (de) * 1997-09-29 1999-03-31 Yanase Kabushiki Kaisha Rotierende Einspannvorrichtung zum Schleifen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810239A (en) * 1956-11-06 1957-10-22 Arthur C Burleigh Holder for abrasive disk
US3623281A (en) * 1969-06-16 1971-11-30 Robert H Moffat Mounting fixture
EP0904896A2 (de) * 1997-09-29 1999-03-31 Yanase Kabushiki Kaisha Rotierende Einspannvorrichtung zum Schleifen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030076889A (ko) * 2002-03-23 2003-09-29 최지태 연마 디스크컵 성형방법 및 연마 디스크컵
FR3045428A1 (fr) * 2015-12-21 2017-06-23 Mbh Dev Disque a meuler ou a poncer ou autre pour appareil electro-portatif

Also Published As

Publication number Publication date
FR2825310B1 (fr) 2004-12-03
FR2825310A1 (fr) 2002-12-06

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