发明名称 |
Compact tube with internal features and methods for fabricating the same |
摘要 |
Methods for forming a tube that includes a feature extending from an inner surface of the tube are provided. The methods can include using a die and stamper, single impact extrusion, double impact extrusion, and progressive deep draw process.
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申请公布号 |
US2008163663(A1) |
申请公布日期 |
2008.07.10 |
申请号 |
US20070824442 |
申请日期 |
2007.06.28 |
申请人 |
APPLE INC |
发明人 |
HANKEY M. EVANS;SANFORD EMERY A. |
分类号 |
B21C37/06;B21D22/20;B21D31/00;B21D35/00;B21D51/00;D01D5/24 |
主分类号 |
B21C37/06 |
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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