CA2458686A1 - Embedded quick change connector for grinding wheel - Google Patents

Embedded quick change connector for grinding wheel Download PDF

Info

Publication number
CA2458686A1
CA2458686A1 CA002458686A CA2458686A CA2458686A1 CA 2458686 A1 CA2458686 A1 CA 2458686A1 CA 002458686 A CA002458686 A CA 002458686A CA 2458686 A CA2458686 A CA 2458686A CA 2458686 A1 CA2458686 A1 CA 2458686A1
Authority
CA
Canada
Prior art keywords
abrasive
abrasive article
fastener
front surface
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
CA002458686A
Other languages
French (fr)
Other versions
CA2458686C (en
Inventor
Eric W. Nelson
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.)
3M Innovative Properties Co
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2458686A1 publication Critical patent/CA2458686A1/en
Application granted granted Critical
Publication of CA2458686C publication Critical patent/CA2458686C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B24D5/16—Bushings; Mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • 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

Landscapes

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

Abstract

An abrasive article (10) for a grinder (12) having a motor-driven, externally-threaded spindle (14). The abrasive article includes a molded abrasive disk (18) with an integrally molded fastener (22). The molded abrasive disk (18) includes abrasive particles disbursed in a binder. The molded abrasive disk (18) has a first major surface (24), a second major surface (26) and an integrally molded fastener (22). The fastener (22) has a body portion (44) with an aperture (46) and first and second ends, an outwardly extending flange with a front surface (32) at the first end, and an inwardly extending flange (47) including a single internal thread (48) at the second end. The fastener (22) is molded into the molded abrasive disk (18) so that the front surface does not extend above the first major surface (24).

Claims (20)

1. An abrasive article for a grinder having a motor-driven, externally-threaded spindle, comprising:
a molded abrasive disk comprising abrasive particles distributed in a binder, the abrasive disk comprising a first major surface and a second major surface;
and a fastener comprising a body portion with an aperture and first and second ends, an outwardly extending flange with a front surface at the first end, and an inwardly extending flange comprising a single internal thread at the second end, the fastener being molded into the abrasive disk so that the front surface does not extend above the first major surface.
2. The abrasive article of claim 1 wherein the first major surface comprises a planar working surface.
3. The abrasive article of claim 1 wherein the first major surface comprises a depressed center section and an annular working section such that the front surface of the fastener does not extend above the depressed center section.
4. The abrasive article of claim 1 wherein the front surface of the fastener is generally co-planar with the first major surface of the abrasive disk.
5. The abrasive article of claim 1 wherein the fastener comprises mounting apertures at least partially filled with abrasive particles and binder.
6. The abrasive article of claim 1 wherein the outwardly extending flange comprises a planar portion generally perpendicular to an axis of the thread.
7. The abrasive article of claim 1 wherein the fastener comprises tines embedded in the abrasive disk.
8. The abrasive article of claim 1 wherein the fastener comprises tines generally perpendicular to the front surface and embedded in the abrasive disk.
9. The abrasive article of claim 1 wherein the fastener comprises tines embedded in the abrasive disk comprising a first portion generally perpendicular to the front surface and a second distal portion at an angle less then ninety degrees with respect to the front surface.
10. The abrasive article of claim 1 wherein the body portion comprises a generally cylindrical shape.
11. The abrasive article of claim 1 wherein the body portion comprises a height greater than a thickness of the abrasive disk.
12. The abrasive article of claim 1 wherein the second end body portion extends above the second major surface of the abrasive disk.
13. The abrasive article of claim 1 wherein the inwardly extending flange on the fastener is located between the first and second major surfaces of the abrasive disk.
14. The abrasive article of claim 1 wherein the fastener comprises a stamped member.
15. The abrasive article of claim 1 comprising a backing plate adapted to engage with the spindle and the second major surface of the abrasive disk.
16. The abrasive article of claim 15 wherein the abrasive disk is compressed between the backing plate and the outwardly extending flange when the abrasive article is engaged with the treaded spindle.
17. The abrasive article of claim 1 wherein the abrasive disk comprises an integrally molded reinforcing member.
18. The abrasive article of claim 17 wherein the reinforcing member comprises a scrim.
19. A method of forming an abrasive article for a grinder having a motor-driven, externally-threaded spindle, comprising the steps of:
preparing a mixture of abrasive particles dispersed in a polymeric binder;
pouring the mixture into a form;
positioning a fastener with a single internal thread in the mixture so that a front surface of the fastener does not extend above a first major surface of the mixture;
curing the polymeric binder; and removing the abrasive article from the form.
20. A method of forming an abrasive article for a grinder having a motor-driven, externally-threaded spindle, comprising the steps of:
preparing a mixture of abrasive particles dispersed in a polymeric binder;
positioning a front surface of a fastener having a single internal thread on a bottom surface of a form pouring the mixture into a form around the fastener;
curing the polymeric binder; and removing the abrasive article from the form.
CA002458686A 2001-09-04 2002-06-17 Embedded quick change connector for grinding wheel Expired - Fee Related CA2458686C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/945,923 US7056200B2 (en) 2001-09-04 2001-09-04 Quick change connector for grinding wheel
US09/945,923 2001-09-04
PCT/US2002/019096 WO2003020473A1 (en) 2001-09-04 2002-06-17 Embedded quick change connector for grinding wheel

Publications (2)

Publication Number Publication Date
CA2458686A1 true CA2458686A1 (en) 2003-03-13
CA2458686C CA2458686C (en) 2009-12-15

Family

ID=25483713

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002458686A Expired - Fee Related CA2458686C (en) 2001-09-04 2002-06-17 Embedded quick change connector for grinding wheel

Country Status (5)

Country Link
US (1) US7056200B2 (en)
EP (1) EP1423238A1 (en)
JP (1) JP2005501744A (en)
CA (1) CA2458686C (en)
WO (1) WO2003020473A1 (en)

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US20070141969A1 (en) * 2005-12-21 2007-06-21 Cybulski Eric R Sanding tool with molding interface pad
US20080132158A1 (en) * 2006-12-04 2008-06-05 Joseph Patrello Grinding wheel and wheel hub therefore
US8430725B2 (en) * 2008-12-19 2013-04-30 Jovan Pajovic Abrasive disc construction
US8408974B2 (en) * 2009-07-14 2013-04-02 Black & Decker Inc. Adapter for abrasive cutting wheels
DE102010030598A1 (en) * 2010-06-28 2011-12-29 Robert Bosch Gmbh Hand tool protection device
US20140154955A1 (en) * 2012-12-05 2014-06-05 Anthony C. Mrkvicka Systems and Methods for Stripping and/or Finishing Wood Surfaces
JP6529210B2 (en) 2013-04-04 2019-06-12 スリーエム イノベイティブ プロパティズ カンパニー Polishing method using polishing disk and article used therefor
KR102303151B1 (en) * 2017-03-31 2021-09-23 생-고뱅 어브레이시브즈, 인코포레이티드 grinding wheel assembly
KR101919820B1 (en) * 2017-08-09 2018-11-19 주식회사 동윤 Polisher for brassware
US11518001B2 (en) 2018-02-20 2022-12-06 Weiler Corporation Backing pad assembly with anti-rotational locking feature for resin fiber discs

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Also Published As

Publication number Publication date
CA2458686C (en) 2009-12-15
US7056200B2 (en) 2006-06-06
WO2003020473A1 (en) 2003-03-13
EP1423238A1 (en) 2004-06-02
JP2005501744A (en) 2005-01-20
US20030166385A1 (en) 2003-09-04

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20200831