Global Patent Index - EP 1486290 A1

EP 1486290 A1 2004-12-15 - Process for finishing three-dimensional curved ring surfaces and the tool therefor

Title (en)

Process for finishing three-dimensional curved ring surfaces and the tool therefor

Title (de)

Verfahren zur Finishbearbeitung von dreidimensional gekrümmten Ringflächen und Finishwerkzeug zur Durchführung des Verfahrens

Title (fr)

Méthode de finition de surfaces annulaires ayant une courbure tri-dimensionnel et l'outil pour cette méthode

Publication

EP 1486290 A1 (DE)

Application

EP 03013215 A

Priority

EP 03013215 A

Abstract (en)

Claimed is a process to apply a three-dimensional, curved surface finish to a ring area using an abrasive surface that is presented by a rotary tool. The tool has a profile matching that of the target profiled form. Also claimed is a commensurate rotary tool whose contact surface is sub-divided into emery cloth segments.

Abstract (de)

Gegenstand der Erfindung ist ein Verfahren zur Finishbearbeitung von dreidimensional gekrümmten Ringflächen. Erfindungsgemäß wird ein Schleifband als Finishwerkzeug mittels eines Andruckelementes, welches eine zu der zu bearbeitenden Fläche eines Werkstückes komplementäre Andruckfläche aufweist, an die zu bearbeitende dreidimensional gekrümmte Ringfläche des rotierend angetriebenen Werkstückes angelegt. Gegenstand der Erfindung ist auch Finishwerkzeug zur Durchführung des beschriebenen Verfahrens. <IMAGE>

IPC 1-7 (main, further and additional classification)

B24B 35/00; B24B 15/00

IPC 8 full level (invention and additional information)

B24B 15/00 (2006.01); B24B 35/00 (2006.01)

CPC (invention and additional information)

B24B 35/005 (2013.01); B24B 15/00 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

EP 1486290 A1 20041215; EP 1486290 B1 20060322; DE 50302706 D1 20060511

INPADOC legal status


2017-10-31 [PGFP DE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: DE

- Payment date: 20170623

- Year of fee payment: 15

2017-06-30 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: IT

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20160612

2017-05-31 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: GB

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20160612

2017-04-28 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: FR

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20160630

2017-03-31 [REG FR ST] NOTIFICATION OF LAPSE

- Effective date: 20170228

2017-03-01 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20160612

2015-08-31 [PGFP FR] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: FR

- Payment date: 20150619

- Year of fee payment: 13

2015-08-31 [PGFP IT] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: IT

- Payment date: 20150622

- Year of fee payment: 13

2015-07-31 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: GB

- Payment date: 20150618

- Year of fee payment: 13

2015-06-19 [REG FR PLFP] FEE PAYMENT

- Year of fee payment: 13

2011-03-31 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: IT

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20090612

2008-09-10 [27O] OPPOSITION REJECTED

- Effective date: 20080505

2007-02-07 [26] OPPOSITION FILED

- Opponent name: NAGEL MASCHINEN- UND WERKZEUGFABRIK GMBH,

- Effective date: 20061221

2006-10-20 [ET] FR: TRANSLATION FILED

2006-06-07 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20060516

2006-05-11 [REF] CORRESPONDS TO:

- Document: DE 50302706 P 20060511

2006-03-22 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE FR GB IT

2006-03-22 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2005-09-07 [AKX] PAYMENT OF DESIGNATION FEES

- Designated State(s): DE FR GB IT

2005-07-20 [RTI1] TITLE (CORRECTION)

- Free text: PROCESS FOR FINISHING THREE-DIMENSIONAL CURVED RING SURFACES AND THE TOOL THEREFOR

2005-03-16 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20050127

2004-12-15 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20031129

2004-12-15 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

2004-12-15 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL LT LV MK