Powdered metal multiple piece component manufacturing
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United States of America Patent
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Sep 24, 1991
Grant Date -
N/A
app pub date -
Jan 16, 1990
filing date -
Jan 16, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The separation of two or more forged powder metal components is facilitated by forming a compacted and sintered powder metal preform with at least one slit that separates the component pieces. An anti-bonding agent such as graphite is introduced into the slit and the preform is then forged to final shape. The anti-bonding agent prevents the complete bonding of the powder metal pieces to each other thereby facilitating separation of the pieces at the slit. This method is particularly suited for the manufacture of piston connecting rod assemblies of the type including a connecting rod and cap.
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