Global patent index - EP 0979380 A1

EP 0979380 A1 2000-02-16 - DEVICE FOR DRIVING A CYLINDER IN ROTATION

Title (en)

DEVICE FOR DRIVING A CYLINDER IN ROTATION

Title (de)

ANTRIEBSSYSTEM EINER DREHTROMMEL

Title (fr)

SYSTEME D'ENTRAINEMENT D'UN TAMBOUR EN ROTATION

Publication

EP 0979380 A1 (FR)

Application

EP 98958953 A

Priority

  • FR 9802628 W
  • FR 9715418 A

Abstract (en)

[origin: FR2772100A1] The invention concerns a device for driving a cylinder (1) in rotation about its longitudinal axis, comprising (a) a ring gear (2) perpendicular to the cylinder axis; (b) truncated rollers (4, 5) arranged on each side of the ring gear, one of which at least being a drive roller; and (c) at least one actuator acting on at least one roller for pressing it on the ring gear, the actuator supports and the roller supports being linked to a common structure capable of moving to respond to the movements and possible direction changes during its operation. The invention is applicable for a rotary furnace for firing minerals.

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

F27B 7/22; F16C 13/04; F16H 13/04; F27B 7/26

IPC 8 full level (invention and additional information)

F16H 13/04 (2006.01); C04B 7/44 (2006.01); F16C 13/04 (2006.01); F16H 1/26 (2006.01); F27B 7/22 (2006.01); F27B 7/26 (2006.01)

CPC (invention and additional information)

F16H 1/26 (2013.01); F27B 7/26 (2013.01)

Citation (search report)

See references of WO 9930095A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

FR 2772100 A1 19990611; FR 2772100 B1 20000225; AU 1491399 A 19990628; AU 745068 B2 20020307; CA 2278740 A1 19990617; CZ 9902793 A3 19991215; EP 0979380 A1 20000216; JP 2001510552 A 20010731; NO 993780 A 19990921; NO 993780 D0 19990804; PL 334960 A1 20000327; US 6186778 B1 20010213; WO 9930095 A1 19990617

INPADOC legal status

2002-12-11 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20021011

2000-02-16 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991105

2000-02-16 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-02-16 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: RO PAYMENT 19990906