Method for producing a shock absorber and shock absorber thus obtained
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United States of America Patent
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Jan 29, 2013
Grant Date -
Jul 9, 2009
app pub date -
Jan 21, 2009
filing date -
Jul 21, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The method includes providing a planar sheet part; forming the planar sheet part by drawing or conical spinning to the shape of a partially formed part made up of a plate and a provisional hollow portion extending from the plate with a revolution shape with respect to an axis perpendicular to the plate, and an end wall closing an end of the provisional hollow portion opposite to the plate; and elongating a section of the provisional hollow portion by cylindrical or conical spinning. The shock absorber is integral with a plate and an elongated hollow portion extending from the plate with a revolution shape. A section of the elongated hollow portion has a thickness that is thinner than the thickness of the plate.
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