发明名称 CRUCIBLE FORMER
摘要 <p>PURPOSE: To provide a crucible former with which production of a casting free from casting defect and casting crack by intrusion of dust is possible. CONSTITUTION: This crucible former 11 includes a disk-shaped base plate 13 having a diameter slightly larger than the outside diameter of an embedded ring, a disk-shaped projecting part 14 having a diameter slightly larger than the bore of the embedded ring and a conical wax pattern implanting part 15 formed at approximately the center of an upper disk 14. The crucible former 11 is formed by integral molding of a polyurethane.</p>
申请公布号 JPH08141002(A) 申请公布日期 1996.06.04
申请号 JP19940279403 申请日期 1994.11.14
申请人 OLYMPUS OPTICAL CO LTD 发明人 MIZUTSUKI NAOKI
分类号 A61C13/20;B22C9/04;C03B19/02;(IPC1-7):A61C13/20 主分类号 A61C13/20
代理机构 代理人
主权项
地址