Device for cold drawing seamless metal tubes having upset portions on both ends
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United States of America Patent
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-
Aug 19, 1986
Grant Date -
N/A
app pub date -
Apr 13, 1984
filing date -
Apr 16, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A draw bench for cold drawing seamless middle tubes having upset portions on both ends. The draw bench includes a die control device, a plug control device including a plug having large and small diameter bearing portions and a draw unit. The die control device and the plug control device and the plug control device are moveable with respect to each other for changing the cross-sectional reducing area between the reducing die and the plug.
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