Inventor

KAKIHARA MORIYUKI

JP2 patents

Patents

2 patents

US4476370AOct 9, 1984

Method and apparatus for shaping beads of welded steel section

SUMITOMO METAL IND14 citations63

US4936723AJun 26, 1990

Method and apparatus for cutting off the beads of seam-welded pipes

SUMITOMO METAL IND0 citations35