Bending apparatus
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United States of America Patent
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-
Mar 24, 1992
Grant Date -
N/A
app pub date -
Jun 6, 1990
filing date -
Jun 14, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus method for bending channel cross-section strip or panel material in which the material is passed between an infeed roller set 10, 16, 18, an intermediate roller set 12, 20, 22 and an outfeed roller set 14, 24, 26. At least one of the rollers of each roller set has two axially spaced annular projections which define an accommodation space for the flanges of the strip material. The axial spacing between these annular projections is reduced between the infeed and outfeed roller sets to enable the panel cross-section to be retained over a wide range of panel materials and curvature.
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