Inventor
SHITAMATSU RYUJIRO
JP5 patents
Patents
5 patentsUS4425062AJan 10, 1984
Cutting and chamfering apparatus for opposing ends of tubular material
KOBE STEEL LTD16 citations71
US4398552AAug 16, 1983
Apparatus for pickling the inner wall of tubular material
KOBE STEEL LTD9 citations71
US4392267AJul 12, 1983
Apparatus for continuously pickling the outer surfaces of tubular materials
KOBE STEEL LTD8 citations71
US4392506AJul 12, 1983
Apparatus for conveying tubular materials in pickling facilities of the same
KOBE STEEL LTD17 citations71
US4397328AAug 9, 1983
Cleaning apparatus of tubular materials for use in pickling facilities for the same
KOBE STEEL LTD6 citations58