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1. 发明专利

JPH07267213A PACKING STRUCTURE FOR STEEL PLATE COIL 失效
公开(公告)号：JPH07267213A
公开(公告)日：1995-10-17
申请号：JP6236494
申请日：1994-03-31
申请人： SHINWA PACKAGE KK , KAWASAKI STEEL CO
发明人： YAMAKAWA MASAO , IWANO KENJI , IWATA MASAO , TANIGUCHI SHIGEKI , YAMADA YASUHIRO , KOKADO FUMIO
IPC分类号： B65B25/14 , B65D85/66 , B65H75/18
摘要： PURPOSE:To tightly fix an inner diameter ring to an internal iron plate and easily insert the ring into the iron plate. CONSTITUTION:Beads 5 are provided on both ends on an external face of a cylindrical internal iron plate 2, and a circular protrusion is formed on its inner diameter part. A peripheral bead 16 is similarly provided on a cylinder 14 of an inner diameter ring 13, and a circular recess is formed on an external face of the cylinder 14. A tip side of the cylinder 14 is reduced in diameter toward its tip, and an outer diameter at the tip is made smaller than an inner diameter of the internal iron plate 2, so that the cylinder 14 is fitted into the inner diameter part of the internal iron plate 2.

2. 发明专利

JPH07165214A PACKING DEVICE FOR METAL BAND COIL 失效
公开(公告)号：JPH07165214A
公开(公告)日：1995-06-27
申请号：JP31374093
申请日：1993-12-14
申请人： KAWASAKI STEEL CO , SHINWA PACKAGE KK , KAWANOE ZOKI KK
发明人： TANIGUCHI SHIGEKI , KAWAI YOSHITO , KOKADO FUMIO , YAMAKAWA MASAO , IWATA MASAO , IWANO KENJI , ISHII ISAMU , SUGI MASAMICHI , SUZUKI TAKASHI
IPC分类号： B65B25/14
摘要： PURPOSE:To certainly pack a metal band coil with a uniform shape of folding provided even though changes occur in the shape on the end face of the coil. CONSTITUTION:A transfer truck 20 is provided so that it can make approach to and retreat from the end face of a metal band coil 1 placed on a coil stand. A support shaft 31, coaxial with the axis of the coil, is provided to the transfer truck. A plurality of expandable/contractile arms 50 that expand and contract diametrally in accordance with the axial movement are provided to the support shaft. A plurality of edge-bending mechanisms 60, capable of bending edge parts toward the end face side of the coil, are provided to each of the expandable/contractile arms at its front end. An adhesive applying means 70 for applying an adhesive to the inner circumferential surface of the edge part is provided to the expandable/contractile arm on a position closer to the tail end of the expandable/contractile arm than the edge-bending mechanism 60. All of the expandable/contractile arms can be turned simlutaneously in the normal and the reverse directions within a specified range of angles by operation of a turning mechanism 40.

3. 发明专利

JPH0712617A MEASURING METHOD FOR LIQUID VOLUME IN TANK 失效
公开(公告)号：JPH0712617A
公开(公告)日：1995-01-17
申请号：JP15669093
申请日：1993-06-28
申请人： KAWASAKI STEEL CO
发明人： AOKI FUMIO , YOSHIMURA MOTOHIRO , HIMENO MAKOTO , KOKADO FUMIO
IPC分类号： G01F17/00 , G01F23/00 , G01F23/14 , G01F23/30
摘要： PURPOSE:To provide a measuring method for liquid volume in a tank storing liquid including such deposit as sludge and mud. CONSTITUTION:A liquid level measurement signal from a float type liquid level meter 3 placed on the side near the top of a tank 2 and a liquid pressure measurement signal from a liquid pressure detector 4 placed at the bottom of the tank 2 are input for operation to a measurement and operation device 5, and the amount of the deposit 8 accumulated on the bottom of the tank 2 is corrected and thus, exact measurement of only liquid 1 volume becomes possible.

4. 发明专利

JPH05117896A REPLATING METHOD FOR TIN FREE STEEL SHEET 失效
公开(公告)号：JPH05117896A
公开(公告)日：1993-05-14
申请号：JP30835791
申请日：1991-10-29
申请人： KAWASAKI STEEL CO
发明人： CHIBA HIROYUKI , KAWAMURA KATSUTO , KANETANI TETSUO , KOKADO FUMIO
IPC分类号： C25D3/04 , C25D5/36 , C25D11/38
摘要： PURPOSE:To replate a tin free steel sheet to recover defective one by applying temper-rolling again to an off-grade tin free steel sheet of defective appearance to dissolve appearance defect and then chrome-plating it. CONSTITUTION:Temper-rolling is executed to the tin free steel sheet of off-grade with appearance defect such as scratch or irregular color tone. The steel sheet appearance defect of which is dissolved by this way is chrome-plating. In this case, the steel sheet is more preferably chrome-plated after the destroyed chromium layer of the upper layer is adequately removed in a pretreatment of the plating process than in a state that the steel sheet is chrome-plated while appearance defect of the steel sheet is destroyed and removed by temper-rolling again as it is. As a result, the defective is saved and the good appearance tin free steel sheet excellent in corrosion resistance is obtained.

5. 发明专利

JPH0569044A SHAPE CORRECTING MACHINE 失效
公开(公告)号：JPH0569044A
公开(公告)日：1993-03-23
申请号：JP23319391
申请日：1991-09-12
申请人： KAWASAKI STEEL CO
发明人： KOBAYASHI MAKOTO , KANETANI TETSUO , KOKADO FUMIO
IPC分类号： B21D1/05
摘要： PURPOSE:To provide a shape correcting machine capable of simultaneously correction of shape, eliminating of residual stress and straightening of warping of a steel plate. CONSTITUTION:On the downstream side of a tension leveller exit side bridle 5, a small-diameter roller leveller 2 arranged with plural number of roller having a diameter satisfying D ) arranged vertically in a staggered state a small-diameter roller leveller exit side bridle 6, a large- diameter roller leveller 3 arranged with the plural number of rolls having a diameter satisfying D>=(230--sigmayp) X t arranged vertically in a staggered state and a large-diameter roller leveller exit side bridle 7 are provided in order.

6. 发明专利

JPH0557318A METHOD FOR CONTROLLING LOAD OF ROLLING MILL 失效
公开(公告)号：JPH0557318A
公开(公告)日：1993-03-09
申请号：JP21882191
申请日：1991-08-29
申请人： KAWASAKI STEEL CO
发明人： SAITO TERUHIRO , KAWASHIMA KOJI , KOKADO FUMIO , MATSUMOTO MASAJI
IPC分类号： B21B37/00 , B21B37/16 , B21B37/18 , B21B37/48
摘要： PURPOSE:To provide a load controlling method of a rolling mill for keeping the rolling load of each stand of a tandem rolling mill at the optimum state while the keeping the target tension. CONSTITUTION:The rolling load W which is increased by lowering the tension of a strip in the tandem rolling mill and reduced by elevating the tension is detected by a rolling load detector 9, a deviation DELTAW from the target load W0 is detected by a controller 10. When DELTAW is in the proper range, the pressure controlling signal P and the concentration controlling signal D output set values P0, D0, when DELTAW is out of the proper range and a pressure calculated by P=P0+DELTAW.K1 exceeds the upper and lower limit values, the values calculated by the upper (lower) limit value as P and D=D0+DELTAW.K2 as D are outputted and when a pressure calculated by P=P0+DELTAW.K1 is in the range of an upper or a lower limit value, P=P0+DELTAW.K1, D=D0 are outputted. The coating film thickness of the strip is changed by this operation to cancel the variation of load.

7. 发明专利

JPH04327112A PACKAGING METHOD FOR STEEL SHEET COIL 失效
公开(公告)号：JPH04327112A
公开(公告)日：1992-11-16
申请号：JP11209591
申请日：1991-04-18
申请人： SHINWA CORP KK , KAWASAKI STEEL CO
发明人： MITSUDA TERUO , YAMAKAWA MASAO , IWATA MASAO , MORI TADAKUNI , KOKADO FUMIO , AKIZUKI TOSHIO , SHONO YASUYUKI
IPC分类号： B65B11/02 , B65B25/14
摘要： PURPOSE:To perform packaging with sufficient rust proof property and protection against damage without rotating a steel sheet coil. CONSTITUTION:The end surface and inner periphery of a steel sheet coil is wrapped first using an end face abutment soft board 1, which is equipped with an inserting cylinder 4 to be welded to the inner periphery of a hollow part of a steel sheet coil, at the center of an annular disk 2, and then, an outer peripheral paper 10 is wound around the coil without rotating the coil, and both side edges are gather-folded 12. For a more complete packaging, an overlapping board 14 is applied on the end surface, and an outer peripheral board 14 and outer peripheral thin iron sheet 20 are applied on the peripheral surface, and an edge tape 22 are wound on both edges to fix the whole body. In order to make it more complete, the whole outer surface is covered and protected by end caps made of metal and inner peripheral iron sheets.

8. 发明专利

JPH04228597A METHOD FOR PREVENTING EDGE OVERCOATING IN HORIZONTAL PLATING DEVICE 失效
公开(公告)号：JPH04228597A
公开(公告)日：1992-08-18
申请号：JP40833090
申请日：1990-12-27
申请人： KAWASAKI STEEL CO
发明人： AOKI FUMIO , KOKADO FUMIO , KURIHARA KENJI
IPC分类号： C25D7/06
摘要： PURPOSE:To surely reduce edge overcoating by controlling the amt. of a plating soln. to be circulated in a plating tank and regulating the amt. of the soln. to be infiltrated at the edge of a steel strip. CONSTITUTION:The lower surface of a steel strip 4 to be plated is dipped in a plating soln. 5, the strip is traveled toward a conductor roll 1, and the lower surface is plated. The width of the soln. 5 infiltrated toward the edge 3 of the strip 4 from the upper part on the upper surface of the edge 3 of a plating device 10 is sensed by a sensor 6. A variable valve and the discharge of a pump are controlled in accordance with the sense signal of the sensor 6 to reduce the circulation of the plating soln., the width of the soln. 5 infiltrated at the edge 3 on the upper surface of the strip 4 is controlled to

9. 发明专利

JPH03180486A PRODUCTION OF TIN FREE STEEL SHEET FOR WELDED CAN 失效
公开(公告)号：JPH03180486A
公开(公告)日：1991-08-06
申请号：JP31827089
申请日：1989-12-07
申请人： KAWASAKI STEEL CO
发明人： SATO TOSHIO , SATO SATORU , HIMENO MAKOTO , KOKADO FUMIO
IPC分类号： C25D11/38 , C25D5/26
摘要： PURPOSE:To produce a tin free steel sheet excellent in weldability and corrosion resistance after coating by applying Cr plating treatment twice to the surface of a steel sheet by the use of Cr -containing plating bath while performing anodic treatment between the above Cr plating stages, carrying out initial small current treatment and then cathodic treatment, and forming a Cr oxide film. CONSTITUTION:After the surface of a cold rolled steel sheet is cleaned, this steel sheet is subjected to Cr plating in a CrO3-containing plating bath, to anodic treatment, and further to Cr plating again, by which a metallic Cr plating layer is formed by 10-150mg/m coating weight. Subsequently, the above steel sheet is subjected, if necessary, to anodic treatment again and is then subjected to initial small current treatment similarly in a plating bath consisting of a Cr - containing aqueous solution of CrO3, e.g. at 0.1-6A/dm current density and successively to cathodic treatment at ordinary current value, by which a Cr oxide film is formed by 3-30mg/m coating weight on the metallic Cr plating layer. By this method, the tin free steel sheet for welded cans excellent in corrosion resistance after coating as well as in weldability can be produced.

10. 发明专利

JPH0390593A PRODUCTION OF NO-REFLOW TINPLATE EXCELLENT IN RUST RESISTANCE 失效
公开(公告)号：JPH0390593A
公开(公告)日：1991-04-16
申请号：JP22491789
申请日：1989-08-31
申请人： KAWASAKI STEEL CO
发明人： NAKAMARU HIROKI , OGATA HAJIME , KIMURA HAJIME , YAGISHIMA AKIYA , KOKADO FUMIO , SEKINE TOSHIHIRO , KUKUMINATO HIDEO
IPC分类号： C25D3/30 , C25D5/26
摘要： PURPOSE:To reduce the amt. of tin to be deposited and to produce a no-reflow tinplate excellent in rust resistance without deteriorating its DI workability by successively applying degreasing, continuous annealing and temper-rolling to a steel sheet and then plating the sheet without itself being previously pickled. CONSTITUTION:The surface of a cold-rolled steel sheet is degreased, and the sheet is continuously annealed and then temper-rolled in a dry state. The sheet is then immediately plated with tin without itself being previously pickled. Alternatively, the sheet is degreased, continuously annealed, temper-rolled in a wet state, degreased and then immediately plated with tin without itself being previously pickled. Consequently, sufficient rust resistance can be obtained even if the tin plating amt. is reduced to per one side, and the cost of the tinplate for the DI can is reduced.

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