E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
E21D 9/087 (2006.01) E21D 23/08 (2006.01)
Patent
CA 2708373
The present disclosure provides an apparatus for forming an underground tunnel. The apparatus comprises a cutting head for removing material from a wall portion of the tunnel and thereby forming a portion of the tunnel. Further, the apparatus comprises a support structure for supporting a previously formed portion of the tunnel. The support structure is arranged to provide a supporting force against a surface of the tunnel when stationary and when being moved along the tunnel. Further, the apparatus comprises a conveyor for conveying removed material from the cutting head to a location remote from the cutting head during formation of the portion of the tunnel.
La présente invention concerne un appareil destiné à former un tunnel souterrain. L'appareil comprend une tête de forage destinée à retirer du matériau d'une partie de paroi du tunnel et former ainsi une partie du tunnel. En outre, l'appareil comprend une structure de support pour supporter une partie du tunnel préalablement formée. La structure de support est agencée de sorte à fournir une force de support contre une surface du tunnel, à l'arrêt et lors de son déplacement le long du tunnel. En outre, l'appareil comprend un transporteur pour transporter le matériau retiré par la tête de forage vers un emplacement éloigné de la tête de forage lors de la formation de la partie du tunnel.
Lumb Hilary Leith
Morgan James Edward
Morgan Leith Norma
Oyen Wiggs Green & Mutala Llp
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