发明名称 Multiple passage conduit for fume extracting welding gun
摘要 An improved flexible hose having particular utility for a fume extracting welding gun is described. The hose has a smooth outer surface, an inner cylindrical compartment which receives the power cable and welding wire and a plurality of radial webs which define compartments for extracting fumes and for conveying shielding gas to the welding site.
申请公布号 US4496823(A) 申请公布日期 1985.01.29
申请号 US19820443175 申请日期 1982.11.22
申请人 BOB MANN & ASSOCIATES INCORPORATED 发明人 MANN, ROBERT N.
分类号 B08B15/04;B23K9/32;F16L11/22;(IPC1-7):B23K9/32;F16L11/04 主分类号 B08B15/04
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