发明名称 WEB-TREATMENT ROLLERS OF POLYURETHANE
摘要 This disclosure is directed to rollers for the treatment of textile webs and similar materials wherein the rolls come in contact with treating solutions applied to the webs. The roll consists of a cylindrical core having a shell of a material with an elastic surface. The surface comprises a polyurethane coating having a Shore A hardness of 86 to 96.
申请公布号 US3779051(A) 申请公布日期 1973.12.18
申请号 USD3779051 申请日期 1973.02.06
申请人 KUESTERS E,DT 发明人 KUESTERS E,DT
分类号 D06B15/02;D06F45/00;(IPC1-7):D06F45/22 主分类号 D06B15/02
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