Edell, Shapiro & Finnan, LLC
Flux cored wire and manufacturing method thereof and manufacturing device thereof
The present invention relates to a flux cored wire and the method and apparatus for manufacturing the same. The flux cored wire in accordance with the present invention can prevent the flux filled inside strip from leaking out and the moisture in the atmosphere from penetrating into the flux. The method of the present invention also does not require longer processing time. For this, the flux cored wire in accordance with the present invention is comprised of: an inner tubular body formed with flat strip by curling up the side edges of the strip into a tubular body having a seam and filed with flux inside; and an outer tubular body formed with flat strip by curling up the side edges of the strip into a tubular body having a seam and wrapping around the inner tubular body in tight contact.
ALLOY RODS GLOBAL, INC.
Y B Y B Y B
Y10T B23K Y10T B23K Y10T B23K
additional inventional additional additional additional inventional
Hee Jin Young Su
Kwak Kim