发明名称 |
Tape cassette with reduced shrinkage mark |
摘要 |
Shrinkage mark due to difference in thickness between a thick bottom portion and a thin bottom wall portion of a cassette is reduced by forming a recess in the thick wall portion and life of molding dies is elongated by forming an end wall of the recess having a top surface in common with the parting line of the thick bottom wall portion.
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申请公布号 |
US5434736(A) |
申请公布日期 |
1995.07.18 |
申请号 |
US19930071622 |
申请日期 |
1993.06.03 |
申请人 |
TDK CORPORATION |
发明人 |
KANEDA, HIROSHI;ISHIKAWA, YUJI |
分类号 |
G11B23/087;(IPC1-7):G11B23/02 |
主分类号 |
G11B23/087 |
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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