Patent ID: 7399143
Filing Date: 2008-07-15
Classification: E02D

Abstract:
1. Method for making a blind channel in the ground in an excavating direction, wherein the channel which is to be made extends between a starting point and an end point, the method comprising the following steps: (a) positioning an excavating device comprising an excavating head at the starting point, the excavating head comprising: (b) advancing the excavating head in the excavating direction, wherein soil is loosened at the excavating head in the excavating direction with the aid of the jet of liquid for forming the mixture of soil and liquid in the excavation chamber, wherein the mixture is discharged from the excavation chamber to the mixing chamber through the opening in the partition and from the mixing chamber to the starting point of the channel by the mixture discharge device; and (c) moving the returnable part of the excavating device to the starting point of the channel after the end point of the channel which is to be made has been reached, and leaving the excavation chamber and the mixing chamber behind.