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1.发明申请IGNITION DEVICE FOR EXOTHERMIC WELDING, MOLD FOR EXOTHERMIC WELDING FOR THE IGNITION DEVICE, AND APPARATUS FOR EXOTHERMIC WELDING COMPRISING SUCH A MOLD AND SUCH AN IGNITION DEVICE 审中-公开用于过热焊接的点火装置，用于点火装置的过热焊接的模具以及包含这种模具的这种等离子体装置的热电偶焊接装置
公开(公告)号：WO2013140010A8
公开(公告)日：2014-04-10
申请号：PCT/ES2013070179
申请日：2013-03-19
摘要： The present invention relates to an ignition device for exothermic welding comprising an electrically conductive metal bushing (1) that can house a pellet of a first welding material in electrical contact with the inner wall of an inner chamber of the bushing (1), provided with an electrically insulating cap and a bottom base with an opening through which the first welding material falls in an incandescent state onto a second welding material arranged in a weld mold (7) when an exothermic reaction has been triggered in the first welding material; an electrode that goes through the cap of the metal bushing (1) and comprises a top contact connectable to a power output (24b) of a voltage generator (10) and a bottom contact in the form of a filament that can be in electrical contact with the pellet of the first welding material, the filament being made of a material having a melting temperature greater than the ignition temperature of the welding material; as well as a contact-assuring element which is guided into the inner chamber between the bottom base and the pellet of the first welding material.
摘要翻译： 本发明涉及一种用于放热焊接的点火装置，其包括导电金属衬套（1），其可以容纳与套管（1）的内室的内壁电接触的第一焊接材料的颗粒，所述内壁设置有 电绝缘帽和具有开口的底部，当第一焊接材料中发生放热反应时，第一焊接材料通过该开口落入白炽状态到布置在焊接模具（7）中的第二焊接材料上; 电极，其穿过金属衬套（1）的帽，并且包括可连接到电压发生器（10）的功率输出（24b）的顶部触点和可以电接触的灯丝形式的底部触点 利用第一焊接材料的颗粒，灯丝由熔化温度大于焊接材料的着火温度的材料制成; 以及被引导到第一焊接材料的底部基底和丸粒之间的内部腔室中的接触确定元件。
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