Global Patent Index - EP 1235677 A1

EP 1235677 A1 2002-09-04 - TRANSMISSION GEARBOX FOR A TWIN SCREW EXTRUDER

Title (en)

TRANSMISSION GEARBOX FOR A TWIN SCREW EXTRUDER

Title (de)

GETRIEBEGEHÄUSE FÜR DOPPELSCHNECKENEXTRUDER

Title (fr)

CARTER D'ENGRENAGE POUR EXTRUDEUSE A DEUX VIS

Publication

EP 1235677 A1 (DE)

Application

EP 00985029 A

Priority

  • DE 19959312 A
  • DE 10052651 A
  • EP 0011270 W

Abstract (en)

[origin: WO0141998A1] The invention relates to a transmission gearbox for a twin screw extruder. The inventive gearbox consists of a) an inner frame construction (1 to 6) comprising at least two frame segments (1 to 4) that are arranged in parallel in relation to each other, bores of the bearing (1a to 1g) that are arranged therein and are used for the individual gear shafts and gear wheels (8 to 14) and at least two connecting struts (5, 6) that are arranged parallel to the axis thereof and are used for connecting the frame segments (1 to 6) and b) a one-piece or multi-piece, at least oil-proof outer cap (7) that is detachably connected to the inner frame construction (1 to 6) in such a way that operating forces of the inner frame construction (1 to 6) are not transmitted to the outer cap (7).

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

B29C 47/08; B30B 11/24; F16H 1/22

IPC 8 full level (invention and additional information)

B29C 47/08 (2006.01); B30B 11/24 (2006.01); F16H 1/22 (2006.01)

CPC (invention and additional information)

B29C 47/0801 (2013.01); B30B 11/241 (2013.01); F16H 1/22 (2013.01); B29C 47/0009 (2013.01)

Citation (search report)

See references of WO 0141998A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 0141998 A1 20010614; EP 1235677 A1 20020904; TW 457344 B 20011001

INPADOC legal status


2003-12-17 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030611

2002-09-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020320

2002-09-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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

2002-09-04 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI