EARTH AND SAND REMOVER AND METHOD FOR UNEARTHING BURIED SUBSTANCE MAKING USE THEREOF

摘要

PROBLEM TO BE SOLVED: To provide an earth and sand remover with a simple structure capable of efficiently removing earth and sand without impairing a fragile buried substance such as a glass bottle or the like and a method for unearthing a buried substance making use thereof.;SOLUTION: The earth and sand remover is equipped with an excavating suction nozzle 4 connected through a cyclon and a vacuum hose provided to a suction course of a vacuum suction blower. The excavating suction nozzle 4 fixes a circular member 9 to the front end through an air inlet 7. A plurality of spikes 10 are circularly arranged to the circular member 9 towards the direction thrusting them into the ground surface. The excavating suction nozzle 4 is made to forward and reverse around the axis to absorb earth and sand while scratching and loosening the ground surface with the spikes 10 to enable the earth and sand to efficiently remove by preventing the closing of a suction inlet 5 without impairing the buried substance.;COPYRIGHT: (C)2005,JPO&NCIPI