EP 0219486 B1 19891129 - SHIELD-TUNNELLING MACHINE
Title (en)
SHIELD-TUNNELLING MACHINE
Publication
Application
Priority
AT 297285 A 19851014
Abstract (en)
[origin: US4805963A] A shield advancing machine, comprising cutting tools (15) rotatably supported on cantilever arms (13, 14) being rotatable around an axis approximately extending in advancing direction and being swivellable in transverse direction to this axis, has a carrier (4) which is guided and supported in axial direction of the shield (1). A rotation drive (22, 33) for a rest (9) of the cantilever arms (13, 14) is provided on the carrier (4), and the cantilever arms (13, 14) as well as their swivel drive (16, 17) are linked to the rest (9).
IPC 1-7
IPC 8 full level
CPC (source: EP US)
E21D 9/0875 (2016.01 - EP US); E21D 9/1026 (2013.01 - EP US)
Designated contracting state (EPC)
BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0219486 A1 19870422; EP 0219486 B1 19891129; AT 384274 B 19871027; AT A297285 A 19870315; DE 3667195 D1 19900104; US 4805963 A 19890221
DOCDB simple family (application)
EP 86890246 A 19860903; AT 297285 A 19851014; DE 3667195 T 19860903; US 91416286 A 19861001