Offset punch press assembly for structural beams
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United States of America Patent
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Nov 12, 1991
Grant Date -
N/A
app pub date -
Mar 20, 1990
filing date -
Mar 20, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An assembly of punch presses is provided for punching holes in first and second opposed flanges joined by a web in a structural beam. The first and second punch presses are arranged in a first pair to punch the first flange from a first side of the beam. A second pair of first and second punch presses are arranged to punch the second flange from a second side of the beam. The first punch press of each pair is arranged in a configuration offset from the second punch press of the pair along both the adjacent beam flange width and length. The offset configuration of the second pair has an opposite hand relationship with the first pair to permit the punch presses of the first pair to be positioned in an overlapping relationship with the punch presses of the second pair.
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