ENERGY SAVING IN HYDRAULIC BENDING PRESSES
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United States of America Patent
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Issued Date -
Jun 7, 2012
app pub date -
May 12, 2010
filing date -
Aug 18, 2009
priority date (Note) -
Abandoned
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Abstract
Bending presses containing pistons providing up and down motion of the upper clamp, at least one engine for motion of the said pistons, and filling valves providing pre-filling during quick down and up motion of the pistons. The bending presses contain at least one pump of variable rotation and fixed displacement transmitting the motion received from the said engine to the pistons.
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