Integral workpiece having a duct, and manufacturing method for same
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United States of America Patent
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Feb 14, 2017
Grant Date -
Jun 26, 2014
app pub date -
Nov 6, 2013
filing date -
Dec 21, 2012
priority date (Note) -
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Abstract
An integral workpiece which has a duct located within a region which extends, for example in an annular manner, and formed about an axis of the workpiece. The workpiece has a form-fitting connection by which, when viewed in a cross section extending through the axis, the duct is closed. The form-fitting connection enables, in comparison with known manufacturing methods, particularly simple manufacturing of the workpiece. In particular, no welding or screwing is required for closing the duct.
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