Global Patent Index - EP 0794021 B1

EP 0794021 B1 2000-03-22 - Device for in situ precision grinding of the rolls of hot strip mills

Title (en)

Device for in situ precision grinding of the rolls of hot strip mills

Title (de)

Vorrichtung zum Nachschleifen der in Warmbandwalzgerüsten eingebauten Walzen

Title (fr)

Dispositif pour la rectification in situ des rouleaux de cages de laminoir à chaud pour bandes

Publication

EP 0794021 B1 (DE)

Application

EP 97250044 A

Priority

DE 19609259 A

Abstract (en)

[origin: EP0794021A1] In the apparatus to regrind roller in roller stands, processing hot strip materials, the centre sleeve (3) holds the stator (8) at its inner circumference of the electro-motor driving the grinding shaft (10). The rotor (9) is on the grinding shaft (10) pushed directly in the centre sleeve (3).

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

B21B 28/04; B24B 5/16; B24B 41/04

IPC 8 full level (invention and additional information)

B21B 28/04 (2006.01); B24B 5/04 (2006.01); B24B 5/16 (2006.01); B24B 5/36 (2006.01); B24B 41/04 (2006.01)

CPC (invention and additional information)

B21B 28/04 (2013.01); B24B 5/045 (2013.01); B24B 5/167 (2013.01); B24B 5/363 (2013.01); B24B 41/04 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

DE 19609259 A1 19970904; DE 19609259 C2 19980702; EP 0794021 A1 19970910; EP 0794021 B1 20000322; ES 2143831 T3 20000516

INPADOC legal status


2008-09-30 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2003-11-28 [REG FR ST] NOTIFICATION OF LAPSE

2003-11-16 [REG ES FD2A] ANNOUNCEMENT OF LAPSE IN SPAIN

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2002-02-27 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-03-07 [26N] NO OPPOSITION FILED

2001-02-20 [PGFP ES] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2001-01-12 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2000-05-16 [REG ES FG2A] DEFINITIVE PROTECTION

- Document: ES 2143831 T3

2000-04-27 [ITF] IT: TRANSLATION FOR A EP PATENT FILED

- Owner name: GUZZI E RAVIZZA S.R.L.

2000-04-27 [REF] CORRESPONDS TO:

- Document: DE 59701291 20000427

2000-04-19 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20000327

2000-03-31 [ET] FR: TRANSLATION FILED

2000-03-22 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE ES FR GB IT

2000-02-09 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: SMS DEMAG AG

1999-06-09 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19990423

1997-10-15 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19970811

1997-09-10 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE ES FR GB IT