PRESS BRAKE WITH AUTOMATICALLY VARIABLE LENGTH BENDING TOOL
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United States of America Patent
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Issued Date -
Sep 15, 2011
app pub date -
Mar 11, 2011
filing date -
Mar 12, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A press brake for metal sheets is described, comprising a tool for bending the metal sheet; the tool comprising a die and pressure means opposite to said die and adapted to press the metal sheet against the die to determine the bending of the metal sheet. The pressure means comprise a plurality of first segments aligned along the bending direction of the metal sheet and adapted to press said metal sheet against the die. The press brake comprises control means adapted to change the longitudinal dimension of the pressure means; the control means are adapted to individually drive each first segment for its longitudinal sliding along the bending direction of the metal sheet, so that the longitudinal dimension of the pressure means corresponds to the longitudinal dimension of the fold to be carried out on the metal sheet.
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