专利名称：Exothermic reactions and methods发明人：Richard E. Walker,Dean Moore申请号：US08846285申请日：19970430公开号：US06553911B1公开日：20030429
专利附图：
摘要：Exothermic reaction mixtures are electrically ignited with a low cost foil strip oftwo conductive strips separated by a layer of insulation. One or more holes are formed inthe ignitor to create shaped spark plasma on one side and a venting plasma on theopposite side of the hole. The spark with low energy requirements is sufficient to ignite
exothermic reactions for welding, casting and other uses. The ignitor may be part ofreusable crucibles and molds, or expendable packages, containers, and molds, or smallersquibs for igniting larger charges. The ignitor may be immersed in or substantiallyadjacent the charge of exothermic material. The spark forming hole or holes is made andshaped by a punch in a simple and low cost manner. The ignitor eliminates the need forstarting powders or materials and flint gun ignitors.
申请人：ERICO INTERNATIONAL CORPORATION
代理机构：Renner, Otto, Boisselle & Sklar, LLP
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