发明名称 A thermic lance
摘要 A thermic lance (102) is ignitable using a combustible plastic fuse (120, 122) ignited using electrical means (126). The thermic lance may be used as a firework. Electrical ignition of a thermic lance is more convenient and safer than conventional methods. In addition, when used as a firework, the lance is safer and provides less pollution than conventional fireworks.
申请公布号 EP1847678(A1) 申请公布日期 2007.10.24
申请号 EP20060252055 申请日期 2006.04.13
申请人 AIR PRODUCTS AND CHEMICALS, INC. 发明人
分类号 E21B7/14;F42B4/00 主分类号 E21B7/14
代理机构 代理人
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