EP 0167090 A3 19870616 - CUTTING WHEEL APPARATUS FOR EXCAVATING CUT-OFF TRENCHES

Title (en)

CUTTING WHEEL APPARATUS FOR EXCAVATING CUT-OFF TRENCHES

Publication

EP 0167090 A3 19870616 (DE)

Application

EP 85107854 A 19850625

Priority

DE 3424999 A 19840706

Abstract (en)

[origin: US4694915A] A slotted wall milling cutter for producing a slotted wall in the ground has a drive motor fixed to the cutter frame and a gear means positioned between the drive motor and two cutting wheel gears and which is partly arranged in recesses of a bearing bracket. The cutting wheel gear is constructed as a multistage planetary gear. A particularly high torque is made available on the cutting wheels with this arrangement. In addition, the cutting wheels can be constructed with a very high effective cutting width compared with the total slot width.

IPC 1-7

E02D 17/18; E02F 3/24; E02F 5/08

IPC 8 full level

E01C 23/09 (2006.01); E02D 17/00 (2006.01); E02D 17/13 (2006.01); E02D 17/18 (2006.01); E02F 3/20 (2006.01); E02F 3/24 (2006.01); E02F 3/92 (2006.01); E02F 5/02 (2006.01); E02F 5/08 (2006.01); E02F 5/20 (2006.01); E21B 4/16 (2006.01); E21B 7/00 (2006.01)

CPC (source: EP US)

E02D 17/13 (2013.01 - EP US); E02F 3/205 (2013.01 - EP US); E02F 3/9237 (2013.01 - EP US); E21B 4/16 (2013.01 - EP US); E21B 7/001 (2013.01 - EP US)

Citation (search report)

[Y] US 3710878 A 19730116 - ENDO M, et al
[Y] US 2950902 A 19600830 - OLDS HOWARD V
[Y] DE 1634262 B1 19700924 - BADE & CO GMBH
[Y] DE 288984 C 19151130 - PRAGER, WALTER [DE]
[A] US 2561343 A 19510724 - CROSSLEY MURYL G
[A] FR 2211027 A5 19740712 - SOLETANCHE [FR]

Designated contracting state (EPC)

AT CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0167090 A2 19860108; EP 0167090 A3 19870616; EP 0167090 B1 19880831; EP 0167090 B2 19920219; AT E36881 T1 19880915; DE 3424999 A1 19860116; DE 3424999 C2 19940113; DE 3564715 D1 19881006; JP H0699907 B2 19941207; JP S6136429 A 19860221; US 4694915 A 19870922

DOCDB simple family (application)

EP 85107854 A 19850625; AT 85107854 T 19850625; DE 3424999 A 19840706; DE 3564715 T 19850625; JP 14815285 A 19850705; US 84944986 A 19860612