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11. 发明专利

JPH0827594A PRODUCTION OF STEEL SHEET EXCELLENT IN SURFACE GLOSS FOR RESIN-COATED CONTAINER AND CR-PLATED ROLLING ROLL THEREFOR 失效
公开(公告)号：JPH0827594A
公开(公告)日：1996-01-30
申请号：JP16673994
申请日：1994-07-19
申请人： NIPPON STEEL CORP
发明人： HAYAMIZU KO , MATSUSHITA TOSHIO , ONO MASAO
IPC分类号： B21B27/00 , B32B15/08 , C25D3/04 , C25D5/36 , C25D7/00 , C25D7/06
摘要： PURPOSE:To provide a production method for steel sheet and a rolling roll used for the production. CONSTITUTION:This steel sheet used for resin-coated container is produced by performing temper-rolling with shromium-plated rolls after annealing. At this time, as the chromium-plated rolls, those each of which has no dendrite texture on the surface of the chromium-plated layer formed through repeating reverse electrolysis etching and chromium electroplating at least two times as the pretreatment of the chromium plating are used. Since no dendrite texture is transferred from the shromium-plated rolls to a base steel sheet to be plated, at the time of forming the plated steel sheet into cans, the inner surface of each of the cans has excellent surface gloss.

12. 发明专利

JPH06264151A DEVICE FOR SHUTTING OFF PURGE GAS IN CONTINUOUS ANNEALING EQUIPMENT 失效
公开(公告)号：JPH06264151A
公开(公告)日：1994-09-20
申请号：JP4882993
申请日：1993-03-10
申请人： NIPPON STEEL CORP
发明人： ONO MASAO , OKAYA NAOYUKI
IPC分类号： C21D9/56
摘要： PURPOSE:To reduce gas consumption by exhausting only the purge gas and to shorten filling time of the gas by arranging sealing mechanism to throat part connecting each treatment furnace in the continuous annealing equipment in order to shut off flowing of the purge gas. CONSTITUTION:In each heat treatment furnace 7, 7... composed of a heating zone 2, soaking zone 3, cooling zone 4 and overaging zones 5, 6, a steel strip 20 is conveyed through guide rollers 12 to execute the continuous annealing. In the continuous annealing equipment 1, the seal mechanism 9 for shutting off the flowing of the purge gas is arranged to the throat part 8 connecting each heat treatment furnace 7. In the case of executing the repair of this continuous annealing equipment 1, by working the sealing mechanisms 9 at inlet and outlet sides of the repairing heat treatment furnace 7, the repairing heat treatment furnace is shut off from the other heat treatment furnace and the purge gas is supplied. Thereafter, the repairing is executed by opening the heat treatment furnace 7. After repairing, the purge gas is supplied into the heat treatment furnace 7, and then, the sealing mechanism 9 is opened and by communicating with the other heat treatment furnace, the annealing is restarted.

13. 发明专利

JPH0617137A PRODUCTION OF GRAIN-PRIENTED SILICON STEEL SHEET FREE FROM GLASS FILM AND HAVING HIGH MAGNETIC FLUX DENSITY 失效
公开(公告)号：JPH0617137A
公开(公告)日：1994-01-25
申请号：JP2145192
申请日：1992-02-06
申请人： NIPPON STEEL CORP
发明人： TANAKA OSAMU , MASUI HIROAKI , HONMA HODAKA , HARATANI TSUTOMU , ONO MASAO
IPC分类号： C21D1/26 , C21D1/70 , C21D8/12 , C21D9/46 , C22C38/00 , C22C38/06 , C23C8/26 , H01F1/16
摘要： PURPOSE:To industrially obtain the steel sheet excellent in workability by hot-rolling a plate of steel with specific composition, forming it to the final sheet thickness, subjecting the steel sheet to decarburizing annealing and to nitriding treatment, applying a specific separation agent at annealing to the steel sheet, and performing final finish annealing under specific conditions. CONSTITUTION:A slab having a composition containing, by weight, 0.021-0.075% C, 2.5-4.5% Si, 0.010-0.040% acid soluble Al, 0.0030-0.0130% N, =30% N2.

14. 发明专利

JPH05299228A 失效
公开(公告)号：JPH05299228A
公开(公告)日：1993-11-12
申请号：JP10700292
申请日：1992-04-24
申请人： NIPPON STEEL CORP
发明人： HONMA HODAKA , TANAKA OSAMU , KUROKI KATSURO , MASUI HIROAKI , HARATANI TSUTOMU , ISHIBASHI MAREZUMI , ONO MASAO , MISHIMA YOUICHI
IPC分类号： C21D9/46 , C22C38/00 , H01F1/16
摘要： PURPOSE:To manufacture the high magnetic induction flux ultralow iron loss directionality electromagnetic steel plate having excellent workability by a method wherein the quantity of the inner oxide layers distributed within a specific range of depth from the metallic surface of a steel plate is not to exceed a specific quantity in the oxygen content within this thickness region while having the iron loss value not exceeding a specific value. CONSTITUTION:Within the manufacturing method, 100wt.% of MgO as a separating agent in annealing step is coated with another separating agent whereto 2-30wt.% of exceeding one or two kinds of chloride, carbonate, nitrate, sulfate, sulfide such as Li, k, Na, Ba, Ca, Mg, Zn, Fe, Zr, Sn, Sr, Al, etc., and then annealed in the atmosphere until the heat equalizing time during the heating up step using at least exceeding 30% of N2+H2 meeting the final finish annealing requirementa so as to form an insulating film after linearly or dottedly scratching the surface making an angle of 45-90 degree in the rolling direction before or after the heat flattening step. Through these procedures, the title high magnetic induction flux ultra low iron loss directionality electromagnetic steel plate having excellent workability but no glass (forsterite) film can be manufactured.

15. 发明专利

JPH03199396A PLATING EQUIPMENT OF ROLL 失效
公开(公告)号：JPH03199396A
公开(公告)日：1991-08-30
申请号：JP33891189
申请日：1989-12-27
申请人： NIPPON STEEL CORP
发明人： ITO SHOZO , ONO MASAO , ETO TETSUO , NASHIHA MICHIO , MORIAI HISAHARU
IPC分类号： B21B27/00 , B21B27/02 , C25D7/00 , C25F1/00 , C25F1/06 , C25F7/00
摘要： PURPOSE:To plate a pressure roll at a high efficiency and high performance by successively providing a vertical type electrolytically degreasing tank, an alkali rinsing tank, a plating tank and a plating rinsing tank and traveling a transfer placing machine for hanging the pressure roll to the upper parts of the respective tanks. CONSTITUTION:A vertical type electrolytically degreasing tank 3, an alkali rinsing tank 4, a plating tank 5 and a plating rinsing tank 6 are buried rectilinearly and successively at intervals of about 5m to the lower part having water level lower than the floor level L of a building of a roll plating equipment. Further a trestle 8 is provided to the upper parts of the respective tanks and a freely elevatable transfer placing machine 2 for hanging a pressure roll is traveled. ln this constitution, the pressure roll 1 is hung by the freely elevatable transfer placing machine 2 and traveled on the trestle 8 in a roll hanging place 7. The pressure-roll 1 is successively immersed in the tank 3, the tank 4, the tank 5 and the tank 6 and treatment is performed. Thereby plating thickness on the surface of the roll is uniformed and efficiency of plating work is enhanced.

16. 发明专利

JPS6483306A MANUFACTURE OF ZINC PLATED STEEL SHEET EXCELLENT IN COATING BRIGHTNESS 失效
公开(公告)号：JPS6483306A
公开(公告)日：1989-03-29
申请号：JP24069087
申请日：1987-09-28
申请人： NIPPON STEEL CORP
发明人： ONO MASAO
IPC分类号： B21B1/22 , C23C2/06
摘要： PURPOSE:To manufacture a zinc plated steel sheet excellent in the coating brightness by subjecting a steel sheet to skin-pass rolling by the bright roll of

17. 发明专利

JPS61150719A OPERATING METHOD OF TENSION LEVELLER 失效
公开(公告)号：JPS61150719A
公开(公告)日：1986-07-09
申请号：JP27344884
申请日：1984-12-26
申请人： NIPPON STEEL CORP
发明人： OOTA HITOSHI , ONO MASAO , MIURA MASASHI
IPC分类号： B21D1/05
摘要： PURPOSE:To obtain good steel strip products with eliminating the unstabilized straightening part generated on a strip steel at the operation starting and finishing times by giving to a leveller roll the specified state of rolling reduction at the operation starting and finishing times. CONSTITUTION:The operation is executed by arranging a deflector roll 3 on the outlet side of leveller roll group 2, speed detector 4, the intermesh setters 9, 10, 11, 12 to perform position setting and the arithmetic unit 13 to set up the intermesh of each leveller roll 5, 6, 7, 8 according to the movement of the strip steel with operating the strip steels position by speed detecting signal. At the operation starting time of the tension leveller, the rolling reduction is applied by bringing into contact with the strip steel the rolls in order from the leveller roll 5 of the inlet side by setting to the passing through the prescribed position of the strip steel and at the completion time the rolls are released in order from the strip steel from the leveller roller of the inlet side by setting to the passing through the prescribed position of the strip steel. The camber and shape change at the starting and finishing times of tension levelling are thus prevented.

18. 发明专利

JP2009142851A Press forming method and press forming die excellent in canning property 有权
标题翻译：压制成型方法和压制成型优质CAN NING。。
公开(公告)号：JP2009142851A
公开(公告)日：2009-07-02
申请号：JP2007322211
申请日：2007-12-13
申请人： Hamapuroto Kk , Kojima Press Co Ltd , Nippon Steel Corp , ハマプロト株式会社 , 小島プレス工業株式会社 , 新日本製鐵株式会社
发明人： ISOGAI EIJI , YOSHIDA TORU , YAMADA TERUAKI , KOINO MICHIHIRO , ONO MASAO , NOBA KAZUNORI , KAWAI MASATAKA
IPC分类号： B21D22/30 , B21D3/14
摘要： PROBLEM TO BE SOLVED: To provide a press forming method and a press forming die by which canning of an square iron can is reduced. SOLUTION: In the method for manufacturing a formed article in a square iron can-shape without flanges by press forming, after performing a primary press forming so that a steel sheet has a prescribed width and depth, the width of the article to be formed is widened by a secondary press forming using a wedge punch 3 and bisected punches 4, 4 which are arranged on both sides of the wedge punch 3. The canning of the square iron can 1 is reduced by applying tensile tension in the width direction W to the article to be formed. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种压制成型方法和压制成型模具，通过该冲压成形模具减少了方形铁罐的罐装。解决方案：在通过压制成型制造没有法兰的方形铁罐形成型制品的方法中，在进行一次冲压成形以使钢板具有规定的宽度和深度之后，制品的宽度通过使用楔形冲头3和布置在楔形冲头3的两侧的二等分冲头4,4进行二次冲压成形来加宽。通过在宽度方向上施加拉伸张力来减小方形铁罐1的罐头 W到要形成的文章。版权所有（C）2009，JPO＆INPIT

19. 发明专利

JPH1121627A NITRIFICATING TREATMENT OF GRAIN ORIENTED ELECTRICAL STEEL SHEET HAVING SMALL DEVIATION IN LONGITUDINAL AND WIDTH DIRECTIONS AND APPARATUS THEREFOR 失效
公开(公告)号：JPH1121627A
公开(公告)日：1999-01-26
申请号：JP17453097
申请日：1997-06-30
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： ONO MASAO , MIYAMOTO IKUO , OHATA YOSHIFUMI , YAMAMOTO NORIHIRO , SHIOKAWA YUJI
IPC分类号： C21D8/12 , C21D9/46
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a grain oriented electrical steel sheet simultaneously satisfying both of the stability of secondary recrystallization after last finish annealing and the improvement of glass film characteristic and having excellent glass film by controlling nitrogen content in the steel sheet in the width direction of the steel sheet to a fixed quantity in a nitrificating treatment of the grain oriented electrical steel sheet, and an apparatus thereof. SOLUTION: In this nitrification treating method, at the time of executing the nitrificating treatment after decarburize-annealing a strip for the grain oriented electrical steel sheet containing

20. 发明专利

JPH10330843A ELECTROLYTIC DEGREASING METHOD FOR GRAIN ORIENTED SILICON STEEL SHEET EXCELLENT IN FILM CHARACTERISTIC 失效
公开(公告)号：JPH10330843A
公开(公告)日：1998-12-15
申请号：JP14009297
申请日：1997-05-29
申请人： NIPPON STEEL CORP
发明人： KIMURA TAKESHI , ZAIZEN YOICHI , ONO MASAO , HAMAYA TAKESHI
IPC分类号： C21D8/12 , C21D9/46 , C25F1/00
摘要： PROBLEM TO BE SOLVED: To provide electrolytic cleaning conditions in the process of manufacture of a grain oriented silicon steel sheet, in which the occurrence of film defects of a glass film is prevented. SOLUTION: A strip for grain oriented silicon steel sheet, containing

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