Forging/coining method
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United States of America Patent
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N/A
Issued Date -
Jul 12, 2007
app pub date -
Jan 10, 2006
filing date -
Jan 10, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Methods for coining or forging powdered metal parts are disclosed. One example method uses a press including a first rod, a first ram surrounding the first rod, a die plate having a die cavity, a second rod opposite the first rod, and a second ram surrounding the second rod wherein the first rod and the second rod are dimensioned to fit within the inside diameter of the part. In the method, the part is positioned within the die cavity, one of the first rod and the second rod is located as a core rod within the inside diameter of the part, and at least one of the first ram and the second ram is moved toward the other of the first ram and the second ram such that both the first ram and the second ram contact and coin or forge the wall of the part.
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