Tunneling machine provided with a rotary tool carrying head...

Details Tunneling machine provided with a rotary tool carrying head... Tunneling machine provided with a rotary tool carrying head...

E - Fixed Constructions

21

D

262/54

E21D 9/00 (2006.01) E21D 11/40 (2006.01)

Patent

CA 1179383

Entitled : A tunneling machine provided with a rotary tool-carrying head and with a lifting device for positioning lining panels in the tunnel. Abstract of the disclosure A tunneling machine provided with a rotary tool-carrying head and with a lifting device for positioning lining panels in the tunnel, characterized in that said lifting device is incorporated with said head.

398863

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