EP0321970A3 - Grinding wheel - Google Patents

Grinding wheel Download PDF

Info

Publication number: EP0321970A3
Authority: EP; European Patent Office
Prior art keywords: grinding wheel; grinding; wheel
Prior art date: 1987-12-23
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

EP88121444A

Other languages

German (de)

Other versions

EP0321970A2 (en

EP0321970B1 (en

Inventor

Gunter Weinich

Herbert Setzer

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.)

Fortuna Werke Maschinenfabrik GmbH

Original Assignee

Fortuna Werke Maschinenfabrik 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.)

1987-12-23

Filing date

1988-12-22

Publication date

1990-05-30

1988-12-22 Application filed by Fortuna Werke Maschinenfabrik GmbH filed Critical Fortuna Werke Maschinenfabrik GmbH

1989-06-28 Publication of EP0321970A2 publication Critical patent/EP0321970A2/en

1990-05-30 Publication of EP0321970A3 publication Critical patent/EP0321970A3/en

1992-04-29 Application granted granted Critical

1992-04-29 Publication of EP0321970B1 publication Critical patent/EP0321970B1/en

2008-12-22 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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

EP88121444A 1987-12-23 1988-12-22 Grinding wheel Expired - Lifetime EP0321970B1 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE3743810		1987-12-23
DE3743810		1987-12-23
DE3823591A DE3823591A1 (en)	1987-12-23	1988-07-12	GRINDING WHEEL
DE3823591		1988-07-12

Publications (3)

Publication Number	Publication Date
EP0321970A2 EP0321970A2 (en)	1989-06-28
EP0321970A3 true EP0321970A3 (en)	1990-05-30
EP0321970B1 EP0321970B1 (en)	1992-04-29

Family

ID=25863157

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP88121444A Expired - Lifetime EP0321970B1 (en)	1987-12-23	1988-12-22	Grinding wheel

Country Status (4)

Country	Link
US (1)	US4907375A (en)
EP (1)	EP0321970B1 (en)
JP (1)	JPH01216775A (en)
DE (2)	DE3823591A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4129090A1 (en) *	1991-09-02	1993-03-04	Rueggeberg August Fa	GRINDING WHEEL
GB9401395D0 (en) *	1994-01-25	1994-03-23	Western Atlas Uk Ltd	Positive radial location of wheels on shafts
DE19650623A1 (en) *	1996-12-06	1998-06-18	Naxos Union Schleifmittel	Tool holder on machine-tool spindle
DE19860403B4 (en) *	1998-12-28	2004-03-25	Wilhelm Fette Gmbh	Arrangement of hobbing body and arbor
GB2445025B (en) *	2006-12-21	2011-10-26	Cinetic Landis Grinding Ltd	Grinding surfaces of workpieces
JP5954119B2 (en) *	2012-10-31	2016-07-20	日本精工株式会社	Grinding wheel centering method in screw grinder and measuring device for centering
CN104191368B (en) *	2014-09-05	2016-08-17	郑州磨料磨具磨削研究所有限公司	A kind of method of point contact type fine adjustment emery wheel and mechanism

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2675653A (en) *		1954-04-20		Device fok truing face grinding
US2841929A (en) *	1956-12-26	1958-07-08	Super Cut	Truing device for peripheral type grinding wheels
DE3405556C1 (en) *	1984-02-16	1985-09-05	Erwin 7611 Nordrach Junker	Clamping device for a cylinder wheel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0132567B1 (en) *	1983-06-21	1987-05-20	Erwin Junker	Clamping device for a ring wheel
DE3322258C1 (en) *	1983-06-21	1984-06-28	Erwin 7611 Nordrach Junker	Clamping device for a grinding ring
JPS61226271A (en) *	1985-03-29	1986-10-08	Mitsubishi Metal Corp	Grinding wheel

1988
- 1988-07-12 DE DE3823591A patent/DE3823591A1/en active Granted
- 1988-12-20 US US07/288,015 patent/US4907375A/en not_active Expired - Fee Related
- 1988-12-22 JP JP63322284A patent/JPH01216775A/en active Pending
- 1988-12-22 EP EP88121444A patent/EP0321970B1/en not_active Expired - Lifetime
- 1988-12-22 DE DE8888121444T patent/DE3870598D1/en not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2675653A (en) *		1954-04-20		Device fok truing face grinding
US2841929A (en) *	1956-12-26	1958-07-08	Super Cut	Truing device for peripheral type grinding wheels
DE3405556C1 (en) *	1984-02-16	1985-09-05	Erwin 7611 Nordrach Junker	Clamping device for a cylinder wheel

Also Published As

Publication number	Publication date
DE3823591A1 (en)	1989-07-06
US4907375A (en)	1990-03-13
EP0321970A2 (en)	1989-06-28
JPH01216775A (en)	1989-08-30
DE3870598D1 (en)	1992-06-04
DE3823591C2 (en)	1991-06-13
EP0321970B1 (en)	1992-04-29

Legal Events

Date	Code	Title	Description
1989-05-13	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
1989-06-28	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): CH DE FR GB IT LI
1990-04-10	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-05-30	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): CH DE FR GB IT LI
1990-08-16	17P	Request for examination filed	Effective date: 19900621
1991-08-14	17Q	First examination report despatched	Effective date: 19910628
1992-03-13	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1992-04-29	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE FR GB IT LI
1992-04-30	ITF	It: translation for a ep patent filed	Owner name: BUGNION S.P.A.
1992-06-04	REF	Corresponds to:	Ref document number: 3870598 Country of ref document: DE Date of ref document: 19920604
1992-06-19	ET	Fr: translation filed
1992-06-24	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1992-12-22	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19921222
1992-12-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LI Effective date: 19921231 Ref country code: CH Effective date: 19921231
1993-03-04	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1993-03-04	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1993-04-21	26N	No opposition filed
1993-08-18	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19921222
1993-08-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19930831
1993-08-31	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1993-09-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19930901
1993-10-29	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
2005-12-22	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;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. Effective date: 20051222

Publication	Publication Date	Title
ZA86677B (en)	1987-08-26	Abrasive wheels
GB2206511B (en)	1991-03-13	Centreless grinding
EP0433692A3 (en)	1992-01-02	Segmentee grinding wheel
GB2168992B (en)	1988-12-21	Grinding wheel
GB8614590D0 (en)	1986-07-23	Wheel
EP0321970A3 (en)	1990-05-30	Grinding wheel
ZA868166B (en)	1987-06-24	Resin-bonded grinding wheel
GB8715797D0 (en)	1987-08-12	Wheels
GB8403567D0 (en)	1984-03-14	Grinding wheel
AU1554888A (en)	1989-11-09	Sanding wheel
ZA871902B (en)	1987-11-25	Grinding wheel
GB8706113D0 (en)	1987-04-15	Wheel
GB8424723D0 (en)	1984-11-07	Grinding wheel
GB2189201B (en)	1990-05-16	Wheels
GB8705584D0 (en)	1987-04-15	Grinding wheels
GB2206312B (en)	1991-05-29	Type wheels
GB8703271D0 (en)	1987-03-18	Wheel aid
GB8708247D0 (en)	1987-05-13	Dressing grinding wheels
GB8711823D0 (en)	1987-06-24	Abrasive wheel
PL145758B2 (en)	1988-10-31	Grinding wheel
GB8616076D0 (en)	1986-08-06	Grinding wheels
CS558088A1 (en)	1989-05-12	Grinding wheel
GB2228220B (en)	1992-12-09	Grinding wheels
PL278752A2 (en)	1989-12-11	Grinding wheel
IE894024L (en)	1990-06-16	Grinding wheel