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11. 发明专利

JPH01258854A CONTINUOUS CASTING MACHINE FOR CAST STRIP 失效
公开(公告)号：JPH01258854A
公开(公告)日：1989-10-16
申请号：JP8297088
申请日：1988-04-06
申请人： HITACHI LTD , KAWASAKI STEEL CO
发明人： SHIDARA HISAHIRO , ABO AKIRA , YOSHIDA HISASHI , MORIWAKI SABURO
IPC分类号： B22D11/06
摘要： PURPOSE:To facilitate combining and separating works and to shorten time for needing to check work and change of a belt circulating body by arranging supporting face to one pair of main body frame and laying it on a supporting frame as slidable. CONSTITUTION:A casting machine main body conveyed on maintenance frame is slided with an engaging projection 10, engaging tool 11 and power actuator 12, to separate the main body frames 7, 7'. After separating the main body frames 7, 7', the old belt circulating bodies 4, 4' are cut and taken out from the main body frames 7, 7' and successively, the frames 7, 7' are shifted onto an exclusive frame for inserting circulating body. Then, laying support on the exclusive frame for the main body frame uses the supporting face 7a arranged on the main body frame and the new belt circulating bodies 4, 4' beforehand prepared on the exclusive frame are inserted into the main body frames 7, 7' from base surface of the separated main body frames 7, 7'.

12. 发明专利

JPS6427747A SIDE PLATE FOR SHORT SIDE IN CAST STRIP CONTINUOUS CASTING APPARATUS 失效
公开(公告)号：JPS6427747A
公开(公告)日：1989-01-30
申请号：JP18016287
申请日：1987-07-21
申请人： KAWASAKI STEEL CO , HITACHI LTD
发明人： YODA RYOJI , BESSHO NAGAYASU , FUJII TETSUYA , TOZAWA KOICHI , NOZAKI TSUTOMU , YAMADA HIROSUKE , MORIWAKI SABURO , YASUKAWA NOBORU , KIMURA TOMOAKI
IPC分类号： B22D11/06
摘要： PURPOSE:To effectively prevent development of penetration of molten metal by giving inclination following to solidified shrinkage of solidified shell in a cast slab to side plates for short side arranged at both end parts between one pair of faced circulating bodies. CONSTITUTION:For example, the side plate 4 for short side is made by metal at sliding part with metallic belt 2 and on the other side, refractory having embracing type at center part thereof. This side plates are protruded to the inside direction as going downward and have multiple steps of the inclination, such as large inclination to the vertical line at near meniscus and gradually smaller inclination to the vertical line as going drawing direction. In this way, by arranging the multiple steps of the inclination or the curving face to the side plates 4, so that the distance between the faced side plates is gradually decreased as following to the shrinkage quantity of the solidified shell at long side surface, the penetration of the molten metal into the gap between the solidified shell at the long side surface and the side plate of the short side is prevented. Therefore, the casting fault at the short side in the cast slab caused by the penetration of the molten metal can be effectively prevented.

13. 发明专利

JPS6343743A CONTINUOUS CASTING METHOD FOR CAST STRIP 失效
公开(公告)号：JPS6343743A
公开(公告)日：1988-02-24
申请号：JP18432086
申请日：1986-08-07
申请人： KAWASAKI STEEL CO , HITACHI LTD
发明人： MORIWAKI SABURO , KITANO YOSHIHISA , KUGA MASAAKI , KIMURA TOMOAKI
IPC分类号： B22D11/06
摘要： PURPOSE:To improve the quality of a east strip and to quicken the casting velocity by narrowing locally an interval of one pair of facing metallic belts through adjusting rolls. etc., and next reducing under pressure solidified shell formed on the metallic belts. CONSTITUTION:A belt cooling device 6 is arranged at the back face of metallic belt 4 aud also a pinch roll 9 is arranged at the lower part thereof. Molten metal 2 is started to solidify in ths belt type mold and the solidified shell is formed on the metallic belts 4. Then, a hydraulic cylinder 8 is adjusted, so as to narrow the interval of belts 4 locally by the proscribed size by the adjusting rolls 7. Therefore, at the time of drawing the cast strip 11 through pinch rolls 9, non-solidified part in the cast strip becomes to perfect solidified state by reducing under pressure as cooling forcely by cooling water of the adjusting roll 7. In this way, development of defect in the cast strip is prevented aud the casting velocity is quickened.

14. 发明专利

JPS62203644A THIN CASTING SLAB CONTINUOUS CASTER 失效
公开(公告)号：JPS62203644A
公开(公告)日：1987-09-08
申请号：JP4403686
申请日：1986-03-03
申请人： KAWASAKI STEEL CO , HITACHI LTD
发明人： KOSHIKAWA TAKAO , EMOTO KANJI , MORIWAKI SABURO , YASUKAWA NOBORU , KITANO YOSHIHISA , KIMURA TOMOAKI
IPC分类号： B22D11/06
摘要： PURPOSE:To prevent an insertion of molten metal caused by heat deformation of a metallic frame and to lengthen a service life of a fixed short side wall by constructing the insulating refractory surrounding metallic frame for the fixed short side, so as to be cooled by cooling fluid. CONSTITUTION:The insulating refractory surrounding metallic frame 14 arranges a cooling fluid passage hole 17 to cool it. Therefore, trouble, such as the insertion of the molten metal, caused by changing of the gap at the sliding face with the belt by deformation of the metallic frame 14, is not happened. Further, as a lubricant, such as grease, etc., in a lubricant supplying passage hole 18 is ejected to the sliding face from a lubricant ejecting hole 15, the friction resistance between the metallic belt and the fixed short side becomes to further less and the abrasions of the fixed short side and the metallic mold are decreased.

15. 发明专利

JP2000002490A ANCHOR FOR SUPPORTING IRREGULAR REFRACTORIES 失效
公开(公告)号：JP2000002490A
公开(公告)日：2000-01-07
申请号：JP17092398
申请日：1998-06-18
申请人： KAWASAKI REFRACTORIES CO LTD
发明人： MAEDA TAKASHI , MORIWAKI SABURO , IMAIDA YASUO
IPC分类号： F27D1/14
摘要： PROBLEM TO BE SOLVED: To prevent the holding force of irregular refractories from lowering even at the time of temperature rise by specifying the open angine between anchor branches for holding the irregular refractories on the eall of a ceramic furnace. SOLUTION: A supporting anchor 1 comprises an anchor branch part 1b obtained by splitting the upper half of a tubular body, e.g. a steel pipe, vertically and bending it into reverse V-shape and an achor strut 1a at the lower half of the tubular body wherein the open angle between the branch parts is set in the range of 190 deg.-350 deg.. Alternatively, the anchor branch part 1c of the tubular body is welded to the anchor strut 1a thereof or a substantially L-shaped anchor branch part 1d is welded to the anchor strut 1a of the tubular body and then the anchor branch part 1c is welded. The supporting anchors are not limited to a tubular body such as a steel pipe, but they can be produced by machining a steel rod, a rectangular pipe, a section steel, or the like. Shaping method is not limited to bending or welding but it can be assembled through integral molding.

16. 发明专利

JPH11197822A METHOD FOR LAYING BEDDING PART OF LADLE 失效
公开(公告)号：JPH11197822A
公开(公告)日：1999-07-27
申请号：JP776798
申请日：1998-01-19
申请人： KAWASAKI REFRACTORIES CO LTD
发明人： MORIWAKI SABURO
IPC分类号： B22D41/02 , F27D1/16
摘要： PROBLEM TO BE SOLVED: To unnecessitate the work with a skilled technician and to shorten the time by fitting a dummy tuyere to a tuyere at the bedding part of a ladle, fixing it with a fixed metal tool, pouring castable refractory to the lower height than the upper end of the dummy tuyere and removing the dummy tuyere. SOLUTION: Before pouring the castable refractory, the dummy tuyere 11 is fitted to the tuyere 5 and fixed with the fixed metal tool 12, and contacting surface with a tuyere brick 6 is closely stuck with a fastening metal tool 13 and firmly fastened. After fitting the dummy tuyere 11, immediately, the pouring of the castable refractory 4 can be executed. At the time of pouring the castable refractory 4, it is most important to pour the castable refractory so that the upper surface level of the castable refractory 4 does not exceed the upper end of the dummy tuyere 11. Then, after completing the hardening of the castable refractory 4 or just before completing the hardening thereof, the dummy tuyere 11 is taken out from the tuyere 5. The dummy tuyere 11 is formed of a cylindrical member made of steel or plastics, etc., with the shape conforming to the tuyere shape.

17. 发明专利

JPH03169457A SHORT WALL MOLD IN STRIP CONTINUOUS CASTING MACHINE 失效
公开(公告)号：JPH03169457A
公开(公告)日：1991-07-23
申请号：JP30863089
申请日：1989-11-28
申请人： HITACHI LTD , KAWASAKI STEEL CO
发明人： SHIDARA HISAHIRO , ABO AKIRA , MORIWAKI SABURO
IPC分类号： B22D11/06
摘要： PURPOSE:To enable smooth casting with a little force to straightening and drawing by forming a nearly U shaped groove on a short wall side plate, making the width at the bottom face of the groove narrower than the thickness of a cast strip, gradually reducing the width at the side face of the groove downward and retaining the width thereof to the lower end below tapered range constant. CONSTITUTION:The short wall side plate 3 has narrower width at the bottom face of groove having horizontal cross section of nearly U shape than the thickness of cast strip and the side face of groove is extended from the bottom face inclined in the normal direction of the bottom face and the width at the side face of the groove is gradually reduced downward i the tapered range and constant to the lower end below the tapered range. By this formation, solidified shell is not straightened along the constant width part at the side face of groove below the finished point (c) of tapered part and is drawn to the lower part of the mold as the cast strip as it is. Therefore, the cross section at the edge part of the cast strip is made to edge drop shape gradually reducing the thickness.

18. 发明专利

JPH03114633A BELT TYPE CONTINUOUS CASTING METHOD 失效
公开(公告)号：JPH03114633A
公开(公告)日：1991-05-15
申请号：JP25063589
申请日：1989-09-28
申请人： KAWASAKI STEEL CO , HITACHI LTD
发明人： OSUGI HITOSHI , MORIWAKI SABURO , KIMURA TOMOAKI
IPC分类号： B22D11/06
摘要： PURPOSE:To perfectly prevent the development of breakout caused by casting flash by setting plural electromagnets along side face opposing to a movable belt in fixed type short side and also plural electromagnets opposing to the above electromagnet in a cooling pad at rear of the belt. CONSTITUTION:A strip continuous casting machine is constituted of casting space with one pair of movable belts 1, 1' and one pair of fixed type short sides 2, 2'. This fixed type short sides 2, 2' are formed to top-widening and bottom-squeezing type, and at both side faces opposing to the belt 1, 1', plural electromagnets 6 are set along the drawing direction of cast slab, respectively so as to be able to independently execute ON-OFF control and also heat sensors 8 composed of thermocouples are arranged. On the other hand, in the position of cooling pad 3, 3' set at rear of the belt 1, 1' near the short side, plural electromagnets 7 are set so as to be able to independently execute the ON-OFF control. By this method, at the time of detecting the development of casting flash with the heat sensor 8, by controlling the electromagnets 6, 7, the development of breakout caused by the casting flash is prevented.

19. 发明专利

JPH03114632A SHORT SIDE PLATE IN CAST STRIP CONTINUOUS CASTING MACHINE 失效
公开(公告)号：JPH03114632A
公开(公告)日：1991-05-15
申请号：JP25063489
申请日：1989-09-28
申请人： KAWASAKI STEEL CO , HITACHI LTD
发明人： OSUGI HITOSHI , MORIWAKI SABURO , KIMURA TOMOAKI
IPC分类号： B22D11/06
摘要： PURPOSE:To form short side plate restraining the development of penetration of molten metal into joint part during casting by setting refractory with fibers specified in coefficient of linear expansion and high temp. strength embedded between metal frame casing parts of the short side plate with the intermediate part squeezed into the shape of top-widening and bottom-narrowing. CONSTITUTION:A cast strip continuous casting machine is constituted of long side faces with circulating bodies composed of one pair of metal belts 1, 2 and short side faces with one pair of the short side plates 4, 5 to form casting space. This short side plate 4, 5 is constituted of a metal frame 8 and the refractory 10, and the metal frame 8 has the casting parts 9 squeezed as arc-like into the shape of top-widening and bottom-narrowing to support the refractory 10 between these casing parts 9. Then, in the refractory 10, the fibers 11 (about 0.5mmphi wire diameter, abut 20-30mm length) having smaller coefficient of linear expansion ( / deg.C) and more excellent high temp. strength (about 10kg/mm ) than those of the refractory 10, are uniformly embedded in longitudinal direction. By this method, the short side plates 4, 5 having a little expansion difference between the longitudinal direction and width direction in the refractory 10 during casting, is obtd. and development of breakout is prevented from occurring.

20. 发明专利

JPH0342153A CONTINUOUS CASTING MACHINE FOR CAST STRIP 失效
公开(公告)号：JPH0342153A
公开(公告)日：1991-02-22
申请号：JP17547089
申请日：1989-07-10
申请人： HITACHI LTD , KAWASAKI STEEL CO
发明人： YASUDA TAKESHI , KODAMA HIDEYO , HIRANO SATOSHI , HANAWA AKIO , KOBAYASHI MITSURU , OKAYAMA AKIRA , SUWA MASATERU , KIMURA TOMOAKI , NISHINO TADASHI , MORIWAKI SABURO
IPC分类号： B22D11/06
摘要： PURPOSE:To easily develop solidified shell on long side mold and to smoothly draw a cast strip downward by making heat conductivity in the long side mold material at part adjacent to both side edge parts of short side mold equal or more to or than the heat conductivity the main material constituting both side edge parts of the short side mold. CONSTITUTION:The side edge parts 12 of short side mold 5 is made of copper and the material of belt 2 is made of copper showing the heat conductivity equal to the heat conductivity in the short side mold 5. By this method, the solidified shell on the sort side mold 5 is integrally developed with the solidified shell formed on the long side mold, and sticking or abnormal growth on the short side mold are eliminated and breakout is eliminated. The short side is made to smoothly draw downward and the cat strip having excellent quality can be stably obtd.

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