DRILLING TOOL
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Jan 2, 2020
app pub date -
Sep 9, 2019
filing date -
Sep 9, 2019
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
Proposed is a drilling tool for drilling workpieces, having a tool tip and a basic body and a core, wherein the basic body has at least one main groove as at least one helical depression, for the purpose of realizing a conveying helix in each case. For the purpose of prolonging the service life, the core, in a first portion that starts at the tool tip and/or extends to the tool tip, has a constant cross-sectional area perpendicular to the axis of rotation and, in an adjoining second portion, counter to the direction of advance, has a cross-sectional area that increases, at least in portions.
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