发明名称 Welding helmet and face plate
摘要 A welding helmet comprising: a face portion defined by a wall about the perimeter of the face portion, extending toward the interior of the welding helmet; a flange extending from the interior end of the wall; a sloped outer portion about the exterior perimeter of the face portion; and at least one opening in the flange adjacent a first portion of the wall, the at least one opening having a protrusion therein protruding parallel to the flange. The welding helmet may also comprise a plurality of channels in a second portion of the wall. The welding helmet may also include a face plate for covering the face portion of the welding helmet comprising a bezel and an interior groove about the perimeter of the bezel.
申请公布号 US6401244(B1) 申请公布日期 2002.06.11
申请号 US20010805793 申请日期 2001.03.13
申请人 SELLSTROM MANUFACTURING CO. 发明人 KRAMER RAFAEL;TERMEER JAMES DAVID
分类号 A61F9/06;(IPC1-7):A61F9/00 主分类号 A61F9/06
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