EP 0258122 B1 19900110 - WHEEL EXCAVATING DEVICE FOR DIGGING TRENCHES IN THE GROUND
Title (en)
WHEEL EXCAVATING DEVICE FOR DIGGING TRENCHES IN THE GROUND
Publication
Application
Priority
FR 8611460 A 19860807
Abstract (en)
[origin: US4800967A] A drilling machine for digging trenches in the ground of the type comprising at least one substantially vertical support plate (3) on which are mounted two drilling drums (2) one one each side of it for rotation about an axis (4) substantially perpendicular to the plate. The downwardly facing edge surfaces of said plate have portions (13) inclined relative to the direction perpendicular to said plate.
IPC 1-7
IPC 8 full level
E02F 3/18 (2006.01); E02D 17/13 (2006.01); E02F 3/20 (2006.01); E02F 5/08 (2006.01); E02F 5/02 (2006.01)
CPC (source: EP US)
E02D 17/13 (2013.01 - EP US); E02F 3/205 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE DE GB IT
DOCDB simple family (publication)
EP 0258122 A1 19880302; EP 0258122 B1 19900110; AT E49432 T1 19900115; CY 1685 A 19931010; DE 258122 T1 19880922; DE 3761384 D1 19900215; FR 2602530 A1 19880212; FR 2602530 B1 19890630; HK 76793 A 19930806; JP S6344030 A 19880225; SG 129292 G 19930416; US 4800967 A 19890131
DOCDB simple family (application)
EP 87401830 A 19870806; AT 87401830 T 19870806; CY 168593 A 19931010; DE 3761384 T 19870806; DE 87401830 T 19870806; FR 8611460 A 19860807; HK 76793 A 19930729; JP 19724887 A 19870806; SG 129292 A 19921219; US 8203287 A 19870805