Drilling and mixing tool
The tool (1) has a central part (3) including a rotational axis, and foldable cutters (4-1, 4-2) arranged in the central part. The foldable cutters are movable between expanded and retracted positions along a vertical folding axis. A discharge nozzle (6) is arranged in the tool and supplied with a f...
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Main Authors | , |
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Format | Patent |
Language | English French German |
Published |
06.04.2016
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Subjects | |
Online Access | Get full text |
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Summary: | The tool (1) has a central part (3) including a rotational axis, and foldable cutters (4-1, 4-2) arranged in the central part. The foldable cutters are movable between expanded and retracted positions along a vertical folding axis. A discharge nozzle (6) is arranged in the tool and supplied with a fluidic medium using a rotatably driven drilling rod. The foldable cutters are arranged along the central part in different planes and connected with the central part using a vertically oriented bolt (8). |
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Bibliography: | Application Number: EP20080012013 |