发明名称 |
LASER BARRIER MATERIAL AND METHOD OF LASER DRILLING. |
摘要 |
<p>PTFE-loaded wax is used in the laser drilling of holes in hollow turbine blades to prevent strike-through of the beam to an opposite wall of a cavity in the blade. The PTFE-loaded wax is poured or injected in molten form into the cavity prior to laser-drilling, and is subsequently removed by steaming.</p> |
申请公布号 |
GB2235893(A) |
申请公布日期 |
1991.03.20 |
申请号 |
GB19900020132 |
申请日期 |
1990.09.14 |
申请人 |
* ROLLS-ROYCE PLC |
发明人 |
ARTHUR GEORGE * CORFE;DAVID * STROUD |
分类号 |
B23K26/18;B23K26/38;B23K35/22 |
主分类号 |
B23K26/18 |
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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