Continuous boring or cutting machine

Details Continuous boring or cutting machine Continuous boring or cutting machine

E - Fixed Constructions

21

D

262/78

E21D 9/10 (2006.01) E21C 31/04 (2006.01)

Patent

CA 1087642

ABSTRACT OF THE DISCLOSURE The invention relates to a continuous boring or cutting machine provided with tools animated by a sweeping movement, said machine comprising a plurality of tool-holders mounted to oscillate on a rotating structure, these oscillations being controlled in synchronism by a rotary jack coaxial with respect to the rotating structure, the rod of the jack being fast with an element to which each tool-holder is connected by a connecting rod having a foot jointed on to said element and having a head jointed on to the tool-holder. The invention is more particularly applied to tunneling machines.

294894

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