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专利名称：Method of pulse welding and contact tip
therefor
发明人：William T. Matthews,Bryan Nelson申请号：US12487733申请日：20090619公开号：US08629372B2公开日：20140114
专利附图：
摘要：A contact tip for a welding gun having a central passage for a welding wiremoving in a given direction toward a workpiece and receiving a welding signal by contactof the wire with the tip. The passage has an innermost end, an outermost exit end and a
length. An opening in the contact tip intersects the passage so a pressure block slidablymounted in the opening is biased toward the wire by a spring around the contact tipurging the block against the wire. This tip is dimensioned and constructed to performpulse welding by a relatively ductile wire.
申请人：William T. Matthews,Bryan Nelson
地址：Chesterland OH US,Painesville OH US
国籍：US,US
代理机构：Hahn Loeser & Parks LLP
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