TIMBERING CATCHER

• Main Authors: ISHIBASHI SHIGERU, AZUMA SO
• Format: Patent
• Language: English
• Published: 31.01.2008
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; SHAFTS; TUNNELS

PROBLEM TO BE SOLVED: To safely and efficiently perform built-up work of timbering, by using a guide shell, by clamping the timbering on the guide shell of a hole drilling machine, in the built-up work of the timbering. SOLUTION: This timbering catcher has a base 2 attachable-detachable to the guide...