Method for producing a torsional vibration damper housing, especially a housing for a viscosity torsional vibration damper
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United States of America Patent
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Oct 24, 2006
Issued Date -
N/A
app pub date -
Dec 20, 2002
filing date -
Jun 20, 2000
priority date (Note) -
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Abstract
The invention relates to a method for producing a torsional vibration damper housing, especially the housing for a viscosity torsional vibration damper, whereby the damper housing is manufactured from an existing plate circular blank and the shaping of the damper housing occurs in an impact extrusion machine during a non-cutting impact extrusion shaping method. In successive impact extrusion shaping steps, all parts of the damper housing protruding from the plane of the plate circular blank, which forms the housing rear wall, are impact extruded while reducing the wall thickness of said parts to form a one-piece damper housing. Said damper housing is structured such that the area of the fastening flange has the largest thickness.
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