Device for the Continuous Lengthening of a Metal Strip by Traction, and Method for Operating One Such Device
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United States of America Patent
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Issued Date -
Feb 28, 2008
app pub date -
Sep 19, 2005
filing date -
Oct 6, 2004
priority date (Note) -
Abandoned
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Abstract
The invention relates to a device (1) for the continuous lengthening of a metal strip (2) by traction, said device comprising, in the strip transporting direction (R), at least three S-roll units (3, 4, 5, 6, 7) each provided with at least two rolls (8, 9 10, 11, 12, 13, 14, 15, 16, 17). According to the invention, the rolls (8, 9, 10, 11, 12, 13, 14, 15, 16, 17) are positioned in such a way that the metal strip (2) is wound round them at a roll periphery angle (a) of more than 180.degree., and at least the second S-roll unit (4) in the strip transporting direction (R) comprises two rolls (10, 11) with different-sized diameters (D.sub.10, D.sub.11).
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