发明名称 |
Magnesia insulated heating elements |
摘要 |
Compacted, granular, fused magnesia used as thermally-conducting electrical insulation in tubular, electrical resistance elements is substantially improved in thermal conductivity through the addition of 0.1 to 10.0 percent of a glass comprising CaO, B2O3 and optionally Al2O3.
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申请公布号 |
US4280932(A) |
申请公布日期 |
1981.07.28 |
申请号 |
US19800152369 |
申请日期 |
1980.05.22 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
BOROM, MARCUS P.;SCHULTZ, JR., JOHN |
分类号 |
C03C3/14;C03C3/145;H05B3/18;H05B3/48;(IPC1-7):C03C3/14 |
主分类号 |
C03C3/14 |
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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