发明名称 |
Reinforcing structure for metal shell and manufacturing method for metal shell |
摘要 |
A metal shell is composed of a trunk portion and a pair of reinforcing portions provided at opening ends of the trunk portion. The trunk portion is formed of a metallic cylinder, the reinforcing portion is formed of a metallic ring having the same diameter as that of the cylinder, and the ring is joined to at least an opening end of the cylinder.
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申请公布号 |
US7495160(B2) |
申请公布日期 |
2009.02.24 |
申请号 |
US20070938404 |
申请日期 |
2007.11.12 |
申请人 |
HOSHINO GAKKI MFG. CO., LTD. |
发明人 |
HOSHINO TAKANORI;OZAWA RYUJI |
分类号 |
G10D13/08 |
主分类号 |
G10D13/08 |
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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