发明名称 |
Electrical resistance heating element |
摘要 |
Electrical resistance heating element including a number of metal strips arranged in a meander-like pattern. In the resistance metal strips, which are made from a non-expensive base sheet material like lead, there is incorporated at least one fuse which will operate if the heat transfer from a randomly placed area of critical size (a critical area) is substantially blocked. The fuse or fuses are preferably constituted by a lead/tin alloy rolled into intimate contact with the lead base material.
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申请公布号 |
US4501956(A) |
申请公布日期 |
1985.02.26 |
申请号 |
US19810303439 |
申请日期 |
1981.09.18 |
申请人 |
INTERNATIONAL STANDARD ELECTRIC CORPORATION |
发明人 |
BERGERSEN, HANS A.;RISBERG, EILIF |
分类号 |
B29C65/00;B29C65/34;H01H85/046;H05B3/12;H05B3/36;(IPC1-7):H05B3/10 |
主分类号 |
B29C65/00 |
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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