Method and device for the production of bores
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United States of America Patent
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-
N/A
Issued Date -
Jul 20, 2006
app pub date -
Dec 21, 2005
filing date -
Dec 21, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method and a device are disclosed for the production of a bore with a special shape, for example a bore which deviates from a cylindrical shape or a bore with an undercut. First, a first bore portion is produced using an oscillatingly driven tool, the first bore portion having a shape deviating from a cylinder and having at least one projection projecting from the wall face of the first bore portion towards the bore centre. Subsequently, when a bore with an undercut is to be produced, the tool is then at least partially rotated about its longitudinal axis, in order to produce a second bore portion which has a larger cross section than the first bore portion.
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