EP0239918A3 - Grinding wheel - Google Patents

Grinding wheel Download PDF

Info

Publication number
EP0239918A3
EP0239918A3 EP87104352A EP87104352A EP0239918A3 EP 0239918 A3 EP0239918 A3 EP 0239918A3 EP 87104352 A EP87104352 A EP 87104352A EP 87104352 A EP87104352 A EP 87104352A EP 0239918 A3 EP0239918 A3 EP 0239918A3
Authority
EP
European Patent Office
Prior art keywords
grinding wheel
grinding
wheel
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
EP87104352A
Other versions
EP0239918A2 (en
EP0239918B1 (en
Inventor
Richard H. Sioui
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.)
Saint Gobain Abrasives Inc
Original Assignee
Norton Co
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 Norton Co filed Critical Norton Co
Publication of EP0239918A2 publication Critical patent/EP0239918A2/en
Publication of EP0239918A3 publication Critical patent/EP0239918A3/en
Application granted granted Critical
Publication of EP0239918B1 publication Critical patent/EP0239918B1/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
    • 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
    • B24D7/02—Wheels in one piece
    • B24D7/04—Wheels in one piece with reinforcing means
    • 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
    • B24D5/04—Wheels in one piece with reinforcing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP87104352A 1986-04-02 1987-03-24 Grinding wheel Expired - Lifetime EP0239918B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84733486A 1986-04-02 1986-04-02
US847334 1986-04-02

Publications (3)

Publication Number Publication Date
EP0239918A2 EP0239918A2 (en) 1987-10-07
EP0239918A3 true EP0239918A3 (en) 1990-03-07
EP0239918B1 EP0239918B1 (en) 1993-01-27

Family

ID=25300367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87104352A Expired - Lifetime EP0239918B1 (en) 1986-04-02 1987-03-24 Grinding wheel

Country Status (6)

Country Link
EP (1) EP0239918B1 (en)
JP (1) JPH0671706B2 (en)
BR (1) BR8701479A (en)
CA (1) CA1324492C (en)
DE (1) DE3783791T2 (en)
ZA (1) ZA871902B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5219463A (en) * 1990-02-13 1993-06-15 Minnesota Mining And Manufacturing Company Abrasives containing ammonium fluoride-based grinding aid
US5110321A (en) * 1990-02-13 1992-05-05 Minnesota Mining And Manufacturing Company Abrasives containing ammonium fluoride-based grinding aid
GB201701246D0 (en) 2017-01-25 2017-03-08 Fives Landis Ltd Machine tools and methods of operation thereof
DE202017004776U1 (en) 2017-09-13 2017-10-10 Prime Supply Inc. Improved grinding tool

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1544643A1 (en) * 1964-08-14 1970-01-15 Bay State Abrasive Products Co Novel abrasive
US3592618A (en) * 1969-03-10 1971-07-13 Avco Corp Abrasive article having a metal filler and an active filler
US3816997A (en) * 1972-03-20 1974-06-18 Itek Corp Apparatus for simultaneously performing rough and fine grinding operations
US3984214A (en) * 1973-03-05 1976-10-05 Federal-Mogul Corporation Metal-coated diamond abrasive article containing metal fillers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55120980A (en) * 1979-03-13 1980-09-17 Toshiba Mach Co Ltd Grinder for vertical-axis plane grinding
JPS5641390A (en) * 1979-09-12 1981-04-18 Masami Fujii Anticorrosion method for earth electrode material of galvanized steel pipe
JPS5893456U (en) * 1981-12-18 1983-06-24 株式会社東芝 grinding wheel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1544643A1 (en) * 1964-08-14 1970-01-15 Bay State Abrasive Products Co Novel abrasive
US3592618A (en) * 1969-03-10 1971-07-13 Avco Corp Abrasive article having a metal filler and an active filler
US3816997A (en) * 1972-03-20 1974-06-18 Itek Corp Apparatus for simultaneously performing rough and fine grinding operations
US3984214A (en) * 1973-03-05 1976-10-05 Federal-Mogul Corporation Metal-coated diamond abrasive article containing metal fillers

Also Published As

Publication number Publication date
JPS62251079A (en) 1987-10-31
CA1324492C (en) 1993-11-23
EP0239918A2 (en) 1987-10-07
ZA871902B (en) 1987-11-25
DE3783791T2 (en) 1993-05-19
JPH0671706B2 (en) 1994-09-14
BR8701479A (en) 1988-01-19
EP0239918B1 (en) 1993-01-27
DE3783791D1 (en) 1993-03-11

Similar Documents

Publication Publication Date Title
SG65691G (en) Abrasive wheels
GB8711493D0 (en) Hand grinder
EP0433692A3 (en) Segmentee grinding wheel
GB8521754D0 (en) Dressing grinding wheel
GB2168992B (en) Grinding wheel
GB8614590D0 (en) Wheel
GB8610677D0 (en) Wheel rim
EP0321970A3 (en) Grinding wheel
ZA868166B (en) Resin-bonded grinding wheel
GB8704543D0 (en) Disc wheel
GB8403567D0 (en) Grinding wheel
AU1554888A (en) Sanding wheel
EP0239918A3 (en) Grinding wheel
GB8424723D0 (en) Grinding wheel
GB2189201B (en) Wheels
PL145758B2 (en) Grinding wheel
GB8616076D0 (en) Grinding wheels
GB8705584D0 (en) Grinding wheels
IL76980A (en) Grinding wheel
PL254536A1 (en) Grinding wheel
GB8708247D0 (en) Dressing grinding wheels
PL247823A2 (en) Grinding wheel
CS558088A1 (en) Grinding wheel
GB8623410D0 (en) Wheel
ZA872723B (en) Wheel

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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

RHK1 Main classification (correction)

Ipc: B24D 3/34

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT SE

17P Request for examination filed

Effective date: 19900824

17Q First examination report despatched

Effective date: 19910704

ITTA It: last paid annual fee
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 SE

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

Ref country code: SE

Effective date: 19930127

Ref country code: FR

Effective date: 19930127

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19930127

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

Ref country code: FR

Payment date: 19930311

Year of fee payment: 7

REF Corresponds to:

Ref document number: 3783791

Country of ref document: DE

Date of ref document: 19930311

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

Ref country code: SE

Payment date: 19930315

Year of fee payment: 7

EN Fr: translation not 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
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

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

Ref country code: DE

Payment date: 20020320

Year of fee payment: 16

Ref country code: GB

Payment date: 20020320

Year of fee payment: 16

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: 20030324

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: 20031001

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

Effective date: 20030324