Movable shears upstream 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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Jun 25, 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
Movable shears and a method for the automatic or non-automatic bending of the trailing end of bars in bending-shaping machines having a bending assembly located downstream of a shears (24) and of a bar feeder unit are disclosed. The bars may be already straightened or already straightened and sheared to size or may require straightening and the bar (29), after the required bends have been applied to its leading end (T), is fed forwards with a movement of distancing of its leading end (T) by an appreciable length at least partly by the feeder unit. When this forward length of feed has been completed, the bar (29) is sheared by the shears (24), thus creating a trailing end (C) of the residual bar (129). The movable shears (24) are able to slide on a longitudinal slide block (45) which is positioned as required in a direction lengthwise to the bar (29) so as to determine the length of the trailing end (C) of the residual bar (129) in relation to the bending assembly (35).
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