METHOD OF JACKING ELEMENT AND CUTTING EDGE ELEMENT USED FOR THE SAME

PROBLEM TO BE SOLVED: To provide a method of jacking an element which easily corrects the intruding direction of an element and improves working efficiency and working speed, and also to provide a cutting edge element used for the method. SOLUTION: In the method of jacking an element, the cutting ed...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHIMIZU MITSURU, SUZUKI HIDEYUKI, MIZUISHI MAIKO, YUZA KEIJI, NAGAO TATSUJI, SUGIZAKI KOSHU, NISHIMURA TOMOAKI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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