| 发明名称 |
Stamper replacement method and mold for forming optical disks |
| 摘要 |
In a vertical-type molding apparatus, bolts are piercingly provided at symmetrically opposed four locations in a stamper replacement unit and a fixed mold stacked together. These bolts are fastened by a single lever which is operated externally of the mold, whereby the stamper replacement unit is fixed to the fixed mold.
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| 申请公布号 |
US2002174531(A1) |
申请公布日期 |
2002.11.28 |
| 申请号 |
US20020099171 |
申请日期 |
2002.03.15 |
| 申请人 |
KURISU MASAHUMI;TOKUMORI MASASHI;ARIYOSHI HIDEHO;SHIBITA TOSHIHIKO |
发明人 |
KURISU MASAHUMI;TOKUMORI MASASHI;ARIYOSHI HIDEHO;SHIBITA TOSHIHIKO |
| 分类号 |
B29C33/30;B29C45/17;B29C45/26;B29D17/00;B29L17/00;G11B7/26;(IPC1-7):B29D11/00;A23P1/00 |
主分类号 |
B29C33/30 |
| 代理机构 |
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代理人 |
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