EP 0424779 A1 19910502 - Self-propelled equipment to bore in tunnels.
Title (en)
Self-propelled equipment to bore in tunnels.
Title (de)
Selbstfahrende Vorrichtung zum Bohren in Tunneln.
Title (fr)
Dispositif autopropulsé pour forage dans les tunnels.
Publication
Application
Priority
IT 8349389 A 19891026
Abstract (en)
Self-propelled equipment to bore in tunnels, which comprises the following operational units: - a tracked vehicle (11) bearing a revolvable turret (12) with a control stand (34), the turret being able to revolve by 360 DEG , - a pair of support structures (14) connected to the opposite ends of the turret (12) and retractably (16) anchored thereto (12), - telescopic columns (20) actuated by rotation and displacement means (17-18-19) connected to the support structures (14), - a boring device (15) connected to the telescopic columns (20) and bearing a drilling head (22) for a boring shaft (23) and reinforcements, - means (33) to monitor the displacement and rotation of the telescopic columns (20), and - a service crane (36) secured to the turret (12).
IPC 1-7
IPC 8 full level
E21B 7/02 (2006.01); E21B 15/04 (2006.01); E21D 9/04 (2006.01); E21B 19/084 (2006.01); E21D 9/10 (2006.01); E21D 20/00 (2006.01)
CPC (source: EP KR)
E21B 19/084 (2013.01 - EP); E21D 5/00 (2013.01 - KR); E21D 20/003 (2013.01 - EP)
Citation (search report)
- [A] EP 0188190 A2 19860723 - LUEN LAM MING
- [A] EP 0215998 A2 19870401 - LUEN LAM MING
- [A] DE 1000312 B 19570110 - BOEHLER & CO AG GEB
- [A] US 3295800 A 19670103 - KARL-ERIK QVARNSTROM, et al
- [A] FR 1325564 A 19630426 - ATLAS COPCO AB
- [A] GB 2141467 A 19841219 - TAMPELLA OY AB
- [A] US 1492735 A 19240506 - MAYO CHARLES L, et al
- [A] US 4267892 A 19810519 - MAYER JAMES R
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0424779 A1 19910502; IT 1236444 B 19930309; IT 8983493 A0 19891026; IT 8983493 A1 19910426; JP H03158593 A 19910708; KR 910008250 A 19910530
DOCDB simple family (application)
EP 90119798 A 19901016; IT 8349389 A 19891026; JP 29060490 A 19901026; KR 900016529 A 19901017