Invention Grant
US09309736B2 Axially separating drill bucket 有权
轴向分离钻桶

Axially separating drill bucket
Abstract:
The current application provides an Axially Separating Drill Bucket for drilling large holes in the earth by which a drilling operator can perform the drilling operation with the Axially Separating Drill Bucket and remove the excavated material in one operation. The unit can be raised to the surface where the bucket portion is separated from the drill head to empty the excavated material.
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