Drawing unit downstream of a bending assembly and method to bend the trailing end of bars
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United States of America Patent
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Feb 19, 1991
Grant Date -
N/A
app pub date -
Jan 10, 1990
filing date -
Jan 18, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Method and machine to bend the trailing end of bars, which is to be carried out automatically or otherwise in bending-shaping machines with a working platform (22) that can be positioned as desired in relation to the horizontal and with a bending assembly located downstream of a feeding-straightening assembly for bars unwound from a reel, whereby after the required bends have been made in the leading end (T) of the bar (29), the bar (29) is fed forwards by an appreciable length at least partially by the feeding assembly with a movement of distancing of the leading end (T) and, this length of feed having been completed, the bar (29) is sheared by a shears (24) so as to create a trailing end (C) of the residual bar (129) when the trailing end (C) has been defined, the residual bar (129) is moved axially by an auxiliary drawing unit (10) located downstream of a bending assembly (35) and suitable to take up a first working position and a second retracted position to free a working platform.
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