| 发明名称 |
End plug for rolled materials |
| 摘要 |
A new concept of end plugs which are circular, concentric and symmetrical containing flanges at particular angles in front and back to produce a mechanical strength, is disclosed.
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| 申请公布号 |
US4015711(A) |
申请公布日期 |
1977.04.05 |
| 申请号 |
US19750565246 |
申请日期 |
1975.04.04 |
| 申请人 |
PRECISION PLASTICS INDUSTRIES, INC. |
发明人 |
MASON, HENRY L. |
| 分类号 |
B65D59/02;B65H75/18;(IPC1-7):B65D85/67;B65D85/67 |
主分类号 |
B65D59/02 |
| 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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