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1. 发明专利

DE3862945D1 未知
公开(公告)号：DE3862945D1
公开(公告)日：1991-07-04
申请号：DE3862945
申请日：1988-01-21
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , NIPPON KOKAN KK
发明人： TSUCHIDA YUTAKA , TAKAHASHI SHUZO , OSADA SHIRO , SATO HISASHI , OZEKI AKICHIKA , HASEBE NOBUHISA
IPC分类号： B22D11/06 , B22D11/10
摘要： Apparatus for pouring molten metal into a continuous casting machine of moving mould type comprises a tundish car (10) which supports a tundish (9) and a tundish nozzle (11) which, in use, extends into the mould cavity of the casing machine. The tundish (9) includes an outlet portion (8) which is not connected to the tundish nozzle (11) but which defines a passage (13) communicating with the passage (13) within the tundish nozzle (11). Springs (16) connect the tundish car (10) and the tundish (9) and urge the downstream end of the outlet portion (8) into direct engagement with the upstream end of the tundish nozzle (11) or into indirect engagement with it via one or more intermediate members (19,20,21).

2. 发明专利

BR8905304A 未知
公开(公告)号：BR8905304A
公开(公告)日：1990-05-22
申请号：BR8905304
申请日：1989-10-18
申请人： NIPPON KOKAN KK , ISHIKAWAJIMA HARIMA HEAVY IND
发明人： NAKADA MASAYUKI , KOMATSU MASAMI , TAKASUGI HIDETO , KAWAI YOSHIHIKO , OZEKI AKICHIKA , OSADA SHIRO
IPC分类号： B22D11/06
摘要： A casting machine comprises a pair of travelling block mold assemblies (22) each having a plurality of block mold members (23) endlessly connected to one another to define a cavity (27), and a mechanism for driving the block mold members (23) such that the block mold members of one travelling block mold assembly (22) move in synchronism with those of the other in a casting direction. Latticed grooves (25, 34, 35, 36) are form on at least an area of the inner wall of each of the block mold members (23) which combine with one another to form the cavity (27). Delays in the solidification of molten steel in the cavity (27) are intentionally caused by these grooves, with the result that the concentration of contraction stress caused by the solidification delays at those seams (3) along which the adjacent block mold members (23) are connected to each other to form the cavity (27) can thus be reduced to prevent the creation of cracks on surfaces of cast products.

3. 发明专利

CA1310464C APPARATUS FOR POURING MOLTEN METAL 未知
公开(公告)号：CA1310464C
公开(公告)日：1992-11-24
申请号：CA556987
申请日：1988-01-21
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , NIPPON KOKAN KK
发明人： TSUCHIDA YUTAKA , TAKAHASHI SHUZO , OSADA SHIRO , SATO HISASHI , OZEKI AKICHIKA , HASEBE NOBUHISA
IPC分类号： B22D11/06 , B22D11/10
摘要： APPARATUS FOR POURING MOLTEN METAL A tundish nozzle is independent from a tundish so that thermal deformations of the tundish are not transmitted to the tundish nozzle.

4. 发明专利

CA2000618A1 CASTING MACHINE HAVING A TRAVELLING BLOCK MOLD ASSEMBLY 未知
公开(公告)号：CA2000618A1
公开(公告)日：1990-04-19
申请号：CA2000618
申请日：1989-10-13
申请人： NIPPON KOKAN KK , ISHIKAWAJIMA HARIMA HEAVY IND
发明人： NAKADA MASAYUKI , KOMATSU MASAMI , TAKASUGI HIDETO , KAWAI YOSHIHIKO , OZEKI AKICHIKA , OSADA SHIRO
IPC分类号： B22D11/06
摘要： A casting machine comprises a pair of travelling block mold assemblies each having a plurality of block mold members endlessly connected to one another to define a cavity, and a mechanism for driving the block mold members such that the block mold members of one travelling block mold assembly move in synchronism with those of the other in a casting direction. Latticed grooves are formed on at least an area of the inner wall of each of the block mold members which combine with one another to form the cavity. Delays in the solidification of molten steel in the cavity are intentionally caused by these grooves, with the rsult that the concentration of contraction stress caused by the solidification delays at those seams along which the adjacent block mold members are connected to each other to form the cavity can thus be reduced to prevent the creation of cracks on surfaces of east products.

5. 发明专利

BR8902986A 未知
公开(公告)号：BR8902986A
公开(公告)日：1990-02-06
申请号：BR8902986
申请日：1989-06-20
申请人： NIPPON KOKAN KK , ISHIKAWAJIMA HARIMA HEAVY IND
发明人： TAKASUGI HIDETO , OZEKI AKICHIKA , KOMATSU MASAMI , NAKADA MASAYUKI , FUKASE HISAHIKO
IPC分类号： B22D11/06 , B22D11/10
摘要： A molten metal pouring nozzle for a continuous casting machine having an endless-travelling type mold, wherein the endless-travelling type mold is formed with two pairs of opposing wall members endlessly travelling in the same direction and at the same speed, and one end of the pouring nozzle is connected to a tundish for receiving molten metal, and the other end of the pouring nozzle is inserted into the mold. The molten metal pouring nozzle of the present invention comprises a nozzle body made of a refractory and a flow regulator made of a refractory. The nozzle body (14, 20) has a bore (1a, 3a), through which molten metal flows, along the axial line thereof, and the sectional area of the downstream end portion of the bore (1a, 3a) becomes gradually larger toward the downstream end thereof. The flow regulator (15, 18) is arranged at the center of the downstream end portion of the bore (1a, 3a) of the nozzle body (14, 20). The flow regulator (15, 18) forms, in cooperation with the bore (1a, 3a), a path for molten metal, by which molten metal flowing through the bore (1a, 3a) impinges against the inner surface of the mold, near the downstream end of the nozzle body (14, 20).

6. 发明专利

BR8800216A 未知
公开(公告)号：BR8800216A
公开(公告)日：1988-08-30
申请号：BR8800216
申请日：1988-01-21
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , NIPPON KOKAN KK
发明人： TSUCHIDA YUTAKA , TAKAHASHI SHUZO , OSADA SHIRO , SATO HISAHI , OZEKI AKICHIKA , HASEBE NOBUHISA
IPC分类号： B22D11/06 , B22D11/10
摘要： Apparatus for pouring molten metal into a continuous casting machine of moving mould type comprises a tundish car (10) which supports a tundish (9) and a tundish nozzle (11) which, in use, extends into the mould cavity of the casing machine. The tundish (9) includes an outlet portion (8) which is not connected to the tundish nozzle (11) but which defines a passage (13) communicating with the passage (13) within the tundish nozzle (11). Springs (16) connect the tundish car (10) and the tundish (9) and urge the downstream end of the outlet portion (8) into direct engagement with the upstream end of the tundish nozzle (11) or into indirect engagement with it via one or more intermediate members (19,20,21).

7. 发明授权

US3572124A Apparatus for simultaneous determination of carbon-temperature in liquid steel during blowing 失效
标题翻译：同时测定吹塑时液态碳的温度的装置
公开(公告)号：US3572124A
公开(公告)日：1971-03-23
申请号：US81595569
申请日：1969-04-14
申请人： NIPPON KOKAN KK
发明人： NAGAOKA NORIYOSHI , USUI GENICHI , OZEKI AKICHIKA , ISHIGURO MORIYUKI
IPC分类号： G01K1/14 , C21C5/30 , F27D21/00 , G01K1/00 , G01K7/04 , G01N25/06 , G01N33/20
CPC分类号： C21C5/30 , Y10S73/09
摘要： IN A SAMPLING VESSEL FOR RECEIVING LIQUID STEEL DURING BLOWING, INDEPENDENT THERMOCOUPLES ARE MOUNTED ON THE INSIDE OF THE BOTTOM OF SAID VESSEL AND PURGING AIR IS EJECTED THROUGH THE SIDE APERTURE OF SAID VESSEL THROUGH AN AUXILIARY LANCE SUPPORTING SAID VESSLE. A PERMEABLE STOPPER IS PROVIDED AT THE TOP OF THE VESSEL WHICH PERMITS FREE FLOW OF SAID PURGIN AIR BUT PREVENTS COUNTER FLOW OF LIQUID STEEL IN SAID VESSEL.

8. 发明专利

DE3650328D1 未知
公开(公告)号：DE3650328D1
公开(公告)日：1995-06-29
申请号：DE3650328
申请日：1986-12-18
申请人： NIPPON KOKAN KK
发明人： NAKAMURA HIDEO , OZEKI AKICHIKA , ABE MASAHIRO , TAKAHASHI KENJI , SUGIYAMA SHUNICHI , ANZAI TAKANORI
IPC分类号： C21B11/08 , C21B13/10 , C21C5/28 , C21C5/30 , C21C5/32 , C21C5/35 , C21C5/40 , C21C7/00

9. 发明专利

CA1300381C METHOD FOR MANUFACTURING ALLOY 未知
公开(公告)号：CA1300381C
公开(公告)日：1992-05-12
申请号：CA546484
申请日：1987-09-09
申请人： NIPPON KOKAN KK
发明人： MORI KENTARO , MIZUKAMI HIDEAKI , NAKAGAWA HIROTAKA , OZEKI AKICHIKA , KAWAWA TAKAHO
IPC分类号： C22C1/02 , C22C33/00 , C22B4/06
摘要： This invention relates to a method for manufacturing alloy comprising: providing a consumable electrode pair consisting of a pair of spaced-apart electrodes of the same element for each metal element of the alloy; generating an electric arc between the electrodes in a nonoxidizing atmosphere, to melt the consumable electrodes; and allowing molten drops produced by the melting to pass into a mold to form molten metal, and the molten metal cast into an alloy consisting of the metal elements. The consumable electrodes of each pair may be aligned on an axis, spaced a predetermined distance apart, and in a common horizontal plane above the mold. The invention allows alloys to be produced from metals having widely different melting points.

10. 发明专利

AU601976B2 CONTINUOUS/PERIODAL PRODUCTION OF STEEL FROM STEEL IN A CONVERTER WITH COAL AND IRON ORE 未知
公开(公告)号：AU601976B2
公开(公告)日：1990-09-27
申请号：AU7248387
申请日：1987-05-04
申请人： NIPPON KOKAN KK
发明人： OZEKI AKICHIKA , YAMADA KENZO , IWASAKI KATSUHIRO
IPC分类号： C21C5/28 , C21B11/00 , C21B13/00 , C21C5/32 , C21C5/34 , C21C5/35
摘要： A method for manufacturing molten steel wherein iron ore and coal are continuously supplied onto molten metal (2) containing carbon of 1% or less while blowing oxygen gas is being introduced onto the molten metal through a lance (4). Simultaneously with this operation, stirring gas is being introduced into the molten metal at a rate of 0.05 to 0.5 Nm /min/ton of molten metal through a tuyere (5). The slag and the molten steel produced, is continuously or periodically discharged from tapping hole (6).

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