发明名称 |
Reusable stud welding ferrule containing boron nitride |
摘要 |
A welding accessory which includes an arc shield having outer and inner peripheral surfaces such that a weld can be formed within the inner peripheral surface as the arc shield shields the weld form external air during forming of the weld. The arc shield includes a ceramic material having not less than 40 weight % of boron nitride. The arc shield may be formed of a composite of boron nitride and silicon nitride, a composite of boron nitride and alumina nitride, a composite of boron nitride, aluminum and silicon nitride, or a composite of boron nitride and zirconia.
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申请公布号 |
US5135154(A) |
申请公布日期 |
1992.08.04 |
申请号 |
US19900610959 |
申请日期 |
1990.11.09 |
申请人 |
OKABE CO., LTD. |
发明人 |
YOSHIDA, MIKIHIKO;YAMADA, HIROAKI |
分类号 |
B23K35/36;B23K9/20;B23K9/32;B23K35/02;B23K35/362;C04B35/583 |
主分类号 |
B23K35/36 |
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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