SCREW CONVEYOR TYPE CUTTER AND SHAFT BORING MACHINE

SCREW CONVEYOR TYPE CUTTER AND SHAFT BORING MACHINE

PROBLEM TO BE SOLVED: To efficiently take in excavated soil and sand deposited on a facing surface and remove soil and sand in an excavation for a shaft. SOLUTION: A screw cutter 9 extended to the outside in the radial direction and rotated and driven is installed to a cutter-head rotating shaft 5 e...

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Bibliographische Detailangaben
Hauptverfasser: TAKAMIZAWA KAZUO, TAZAWA TOMOFUMI, NAKANE TAKASHI, SONOMURA SHUNICHI, NAITO WATARU, KUSUMI TOMOO
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To efficiently take in excavated soil and sand deposited on a facing surface and remove soil and sand in an excavation for a shaft. SOLUTION: A screw cutter 9 extended to the outside in the radial direction and rotated and driven is installed to a cutter-head rotating shaft 5 extended and mounted in the excavating direction to the front axial center section of a shaft boring machine 1 excavating the shaft. A casing 8 facing the screw cutter 9 to the natural ground side and exposing and covering the screw cutter 9 is fitted to the external section of the screw cutter 9. COPYRIGHT: (C)2005,JPO&NCIPI