TENSION LEVELER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Apr 3, 2014
app pub date -
Sep 27, 2013
filing date -
Oct 1, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tension leveler includes a work roll coming into contact with a metal sheet and a pair of backup rolls coming into contact with the work roll. A hardening layer harder than the inside of the backup rolls is formed on the surfaces of the backup rolls. The Shore hardness inside the backup rolls is lower than the Shore hardness in the surfaces of the backup rolls by HS23 to HS36.
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