发明名称 |
Metal mold for molding a honeycomb structure and method of producing the same |
摘要 |
A method of producing a metal mold for molding a honeycomb structure, wherein the slit grooves are formed by electric discharge machining that is executed a plural number of times by using a small electrode for electric discharge machining having a working surface of an area smaller than the area of the groove-forming surface.
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申请公布号 |
US6448530(B1) |
申请公布日期 |
2002.09.10 |
申请号 |
US19990303681 |
申请日期 |
1999.05.03 |
申请人 |
DENSO CORPORATION |
发明人 |
FUJITA MASAYOSHI;ANDOU YOSIYASU;TAKENO TORU |
分类号 |
B28B3/20;(IPC1-7):B23H1/00;B23H9/00 |
主分类号 |
B28B3/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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