Bending and squeezing blade for sheet metal bending and squeezing machine and machine utilizing the aforesaid blade
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United States of America Patent
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Oct 29, 2002
Grant Date -
N/A
app pub date -
Apr 10, 2000
filing date -
May 27, 1999
priority date (Note) -
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Abstract
There is described a new bending and squeezing blade for sheet metal bending machine. The blade comprises a bending tooth provided with a head surface that is suitable to engage the edge of a sheet metal to carry out its bending at 90.degree. and with a foot surface that is suitable to engage the 90.degree. folded edge of the sheet metal to carry out its additional bending at an angle greater than 90.degree. and its possible squeezing on the remaining part of the sheet metal up to an angle substantially equal to 180.degree.. In order to assure the locking of the sheet metal during the operation of squeezing the machine preferably comprises a blank holder provided with a pressing member, that can be controlled so as to project from the support foot of the blank holder in order to lock the sheet metal on a fixed counter blade.
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