Method and Device for Producing a Knurl on the Suface of a Workpiece
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United States of America Patent
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Issued Date -
Jul 3, 2008
app pub date -
Mar 20, 2006
filing date -
Apr 28, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and a device to produce a knurl (2) on a surface or part of a metallic disk (1) or a friction wheel which are produced from sheet metal (13) through a drawing process are provided. The structure (7) of the knurl (2) is stamped or rolled onto the sheet metal prior to or after forming the sheet metal (13), in order to prevent sharp-edged knurl structures. The structure is produced with the aid of a stamping element (6) which is provided with the structure (7) or by a knurling cylinder (9) which is also provided with the structure (7), which can be pressed against the surface of the sheet metal (13) of the disk (1) or the friction wheel.
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