Method and installation for treatment of a band product
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United States of America Patent
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Issued Date -
Dec 18, 2003
app pub date -
Apr 25, 2003
filing date -
Apr 26, 2002
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method for driving a band product through an installation comprising at least three successive sections, respectively a feeding section (1), a treatment section (2) placed between two tensioners, respectively upstream (61) and downstream (61') and a discharge section (3). According to the invention, a variation in the running speed in the treatment section (2) is compensated for immediately by a corresponding variation in the band length (44) situated between the output end (20') of the treatment section (2) and the downstream tensioner (61'), for maintaining permanently a band length substantially constant between said output end (20') and the upstream tensioner (61), without any significant variation in the traction load applied to the band (4) in each treatment tank (21). The invention applies especially to the pickling of metal bands.
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