Thread Former Having Molding
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United States of America Patent
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Issued Date -
Aug 18, 2011
app pub date -
Oct 16, 2009
filing date -
Oct 22, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The thread former is used for the non-cutting shaping of threads and has a main body (1') on which the moldings (6) are provided, distributed over the circumference. Said moldings are provided with thread-forming teeth (13, 14). Profile grinding tools are used to produce the thread-forming teeth (13, 14), both in the main body (1') as well as in the moldings (6). In order for the thread former to be produced easily and cost-effectively, the moldings (6) protrude radially beyond the main body (1') so far that the profile tool only engages with the molding when producing the thread-forming teeth (13, 14). Consequently, the profiling tool only has to machine one type of material. The thread former is used for the non-cutting shaping of threads, particularly of internal threads.
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