Patent ID: 6417489
Filing Date: 2002-07-09
Classification: B23K

Abstract:
A welding wire for use in electric arc welding comprising a length of a solid metal core having an outer perimeter, a plurality of grooves in a surface of said metal core, and an electrically conducting metal sheath, said plurality of grooves defining grooved core sections and non-grooved core sections positioned between two grooved core sections, a plurality of said grooves being spaced apart from one another at a substantially equal distances from one another along a longitudinal length of said solid metal core, a plurality of said grooves extending completely about said outer perimeter of said metal core, a plurality of said non-grooved core sections having substantially a same volume, a plurality of said grooved core sections having substantially a same volume, said metal sheath at least partially positioned about a plurality of said grooved and non-grooved core sections, said metal sheath spaced from at least a portion of a surface of a plurality of said grooved core sections, said metal sheath at least partially contacting a plurality of said non-grooved core sections.