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2. 发明申请

WO2010045676A1 A WELDING TORCH 审中-公开
标题翻译：焊接TORCH
公开(公告)号：WO2010045676A1
公开(公告)日：2010-04-29
申请号：PCT/AU2009/001379
申请日：2009-10-21
申请人： KEY WELDING PRODUCTS AUSTRALIA PTY LTD , JARVIS, Brian, Laurence
发明人： JARVIS, Brian, Laurence
IPC分类号： B23K9/28
CPC分类号： B23K9/167 , B23K9/296
摘要： A welding torch for gas tungsten arc welding, the welding torch including a torch head and a torch handle. The torch head includes a hollow inner body in electrical contact with one terminal of an electric power source, the inner body having an interior through which an axially positioned electrode extends, a free end of the electrode projecting beyond an electrode contact region of the inner body, and there being an inner gas chamber defined above the contact region within the interior of the inner body about the electrode. The torch head also includes a collet that provides the contact region where the inner body is in positive electrical contact with the electrode above the electrode free end, a gas shroud extending around but spaced from the electrode free end to define an outer gas chamber that allows, in use, gas to shield the electrode free end, and means for circulating coolant about or above the contact region to extract heat from the contact region. The inner body also includes at least one gas port allowing shielding gas to pass from the inner gas chamber to the outer gas chamber.
摘要翻译：用于气体钨丝焊接的焊枪，焊炬包括炬头和手电筒。所述炬头包括与电源的一个端子电接触的中空内体，所述内主体具有内部，轴向定位的电极延伸穿过所述内部，所述电极的自由端突出超过所述内部主体的电极接触区域并且在内体的内部的接触区域周围形成有围绕电极的内部气体室。割炬头还包括提供接触区域的夹头，其中内部主体与电极自由端上方的电极正电接触，气体护罩围绕电极自由端延伸，但与电极自由端隔开，以限定允许在使用中，用于屏蔽电极自由端的气体，以及用于在接触区域周围或上方循环冷却剂以从接触区域提取热量的装置。内体还包括至少一个气体端口，其允许保护气体从内部气体室传递到外部气体室。

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