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United States of America Patent
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Nov 13, 2007
Grant Date -
Nov 9, 2006
app pub date -
Jul 8, 2004
filing date -
Dec 12, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressing apparatus using a motor, in which a fast feed drive lowers an upper die to a position immediately before pressing, and a motor for pressing performs a pressing operation. The fast feed drive and the motor for pressing operate cooperatively, and only one position detector, which detects a present position of a slider, is provided for a set of the fast feed drive and the motor for pressing.
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