Extrusion press
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United States of America Patent
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May 9, 2017
Grant Date -
Apr 10, 2014
app pub date -
Jun 1, 2012
filing date -
Jun 15, 2011
priority date (Note) -
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Abstract
The present invention provides an extrusion press which eliminates unevenness of dynamic and thermal fatigue degrees of the hydraulic devices which form the hydraulic circuit in the extrusion press, the electric motors which drive the hydraulic pump, the control devices, etc., which makes the dynamic and thermal fatigue degrees and remaining service lives of the component devices even, and which is excellent in energy saving effect.
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