Global Patent Index - EP 0757158 B1

EP 0757158 B1 2000-04-26 - An excavating method and apparatus for constructing the base of a tunnel

Title (en)

An excavating method and apparatus for constructing the base of a tunnel

Title (de)

Verfahren und Grabvorrichtung zur Herstellung von Tunnelsohlen

Title (fr)

Procédé et dispositif d'excavation pour la construction du sol dans un tunnel

Publication

EP 0757158 B1 (EN)

Application

EP 96110660 A

Priority

IT TO950652 A

Abstract (en)

[origin: EP0757158A1] An excavating apparatus for constructing, remaking, reinforcing or restoring any part of the base of a tunnel, such to provide an inverted arch (18) or resting piers structure adequate for sustaining the tunnel (11), comprises a power driven trencher excavating means (20) so restrained as to accomplish a combined movement of: oscillation about an axis substantially parallel to the longitudinal axis of the tunnel; sliding in a direction perpendicular to said axis; and transverse horizontal translation together with said oscillation axis, along a horizontal guide means (10) extending transversely in the tunnel (11). There is also disclosed an excavating method making use of such an apparatus. <IMAGE>

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

E21D 9/00

IPC 8 full level (invention and additional information)

E21D 9/00 (2006.01)

CPC (invention and additional information)

E21D 9/01 (2016.01)

Designated contracting state (EPC)

AT CH DE ES FR GB IT LI

EPO simple patent family

EP 0757158 A1 19970205; EP 0757158 B1 20000426; AT 192213 T 20000515; DE 69607901 D1 20000531; DE 69607901 T2 20001102; ES 2147330 T3 20000901; IT 1280890 B1 19980211; IT TO950652 A1 19970203; IT TO950652 D0 19950802

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- Owner name: BARZANO' E ZANARDO S.P.A.

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