| 发明名称 |
Method for molding dynamically balanced fans |
| 摘要 |
A method of manufacture of dynamically balanced molded plastic air movement devices wherein material may be readily added or deleted from inactive surface portions of the air movement devices during manufacture by adjustable pins accessable from the front or face of a mold half.
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| 申请公布号 |
US4107257(A) |
申请公布日期 |
1978.08.15 |
| 申请号 |
US19770789872 |
申请日期 |
1977.04.22 |
| 申请人 |
SWIN, SR., RICHARD E. |
发明人 |
SWIN, SR., RICHARD E. |
| 分类号 |
B29C45/37;F04D29/32;(IPC1-7):B29C5/00;B29F1/00 |
主分类号 |
B29C45/37 |
| 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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