发明名称 Making molds with rectangular or square-shaped cross section
摘要 A round copper or copper-alloy tube is internally coated with a relatively thick nickel or nickel-alloy layer and formed into a tube of rectangular or square-shaped cross section; the tube or cut-off sections thereof will serve as molds for continuous casting.
申请公布号 US4787228(A) 申请公布日期 1988.11.29
申请号 US19830493515 申请日期 1983.05.12
申请人 KABEL-UND METALLWERKE GUTEHOFFNUNGSHUETTE AG 发明人 WEISNER, EIKE;GRAVEMANN, HORST
分类号 B22D11/04;B22C9/06;B22D11/057;B22D11/059;(IPC1-7):B21D31/00;B21C1/24 主分类号 B22D11/04
代理机构 代理人
主权项
地址