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.
Type:
Application
Filed:
September 27, 2013
Publication date:
April 3, 2014
Applicant:
SUMITOMO HEAVY INDUSTRIES HIMATEX CO., LTD.