发明名称 |
Triple-coil incandescent filament |
摘要 |
This invention relates to multiple coiled incandescent filaments and more particularly to a single strand filament wire, coreless, triple-coil filament for an incandescent lamp having mandrel ratios in either or both its second or third coiling less than 1.0.
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申请公布号 |
US4316116(A) |
申请公布日期 |
1982.02.16 |
申请号 |
US19790105580 |
申请日期 |
1979.12.19 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
GRAVES, JAMES A.;REILING, GILBERT H. |
分类号 |
H01K1/14;(IPC1-7):H01K1/14 |
主分类号 |
H01K1/14 |
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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