Alloys or metallic compositions – Ferrous – 1.7 percent or more carbon containing
Patent
1991-08-01
1992-12-01
Rosenberg, Peter D.
Alloys or metallic compositions
Ferrous
1.7 percent or more carbon containing
C22C 3308
Patent
active
051679167
ABSTRACT:
A novel ladle and method for spheroidizing molten iron is disclosed. A cover made of a porous body defining continuous blow holes is mounted at the upper portion of ladle main body containing spheroidizing material therein, and spheroidizing is effected by pouring molten metal into the ladle main body through the porous body cover. Alternatively, the cover is partly cut-away, and spheroidizing is effected by pouring molten metal into the ladle main body through the cut-away portion of the cover.
REFERENCES:
patent: 4210195 (1980-07-01), McPherson
Patent Abstracts of Japan, vol. 12, No. 37, (C-473)(2884), Feb. 4, 1988.
Nagai Kiyotaka
Sano Hiroaki
Sato, deceased Hiroo
Yasukuni Takashi
Mitsubishi Jukogyo Kabushiki Kaisha
Rosenberg Peter D.
Toyo Denka Kogyo Co., Ltd.
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