TOOL FOR ROUGHENING A BOREHOLE SURFACE
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United States of America Patent
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Sep 27, 2018
app pub date -
Sep 19, 2016
filing date -
Sep 19, 2016
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Abstract
A tool for roughening a borehole surface. The tool includes a coupling portion for clamping the tool in a drilling machine; and a tool head for machining the borehole surface, where the tool head comprises a cutter that is circumferentially disposed on the tool head, and where the tool head has at least one slit, which passes through from one side to the other and which, starting from an end face of the tool head, and extends axially along a longitudinal axis of the tool.
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