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21. 发明专利

JPS56163002A MANUFACTURE OF STEEL COATED WITH STAINLESS STEEL 失效
公开(公告)号：JPS56163002A
公开(公告)日：1981-12-15
申请号：JP6693780
申请日：1980-05-19
申请人： KAWASAKI STEEL CO
发明人： SASAKI TOORU , SATOU SHIYUUZOU , KONDOU NOBUYUKI , YAMANAKA EISUKE , HASHIMOTO TAKAFUMI , NAKANO SHIYOUZABUROU
IPC分类号： B21B1/08 , B21B1/088 , B23K20/00 , B23K28/00
摘要： PURPOSE:To mass-produce shapes coated with stainless steel, excellent in the corrosion resistance, at a low cost, by build-up welding a stainless steel, in a thickness adjusted in consideration of the metallic flow to be caused during the following rolling work, to the surface of a blank material of a steel shape, and by applying a hot rolling work to this blank material. CONSTITUTION:At build-up welding a stainless steel to the surface of a blank material of a steel shape, the thickness of the built-up-metal is made thicker at the parts corresponding to the inner face of flanges and the side faces of the web, wherein the increasing rate of surface area by the following hot rolling work is greater than the other parts. Or otherwise, before applying the build-up welding of the stainless steel, the shape of the blank material is preformed into nearly the product shape in order to almost uniformalize the metallic flow at various parts to be caused during the following hot rolling work. Thus prepared blank material is heated and is subjected to a hot rolling work according to the usual method, and hereby, a steel shape coated with stainless steel is formed. According to the present method, a steel shape excellent in the corrosion resistance, mechanical characteristics, etc., is easily manufactured.

22. 发明专利

JPS5656702A BLOOMING METHOD FOR ROUGH SHAPED STEEL BILLET 失效
公开(公告)号：JPS5656702A
公开(公告)日：1981-05-18
申请号：JP13210079
申请日：1979-10-12
申请人： KAWASAKI STEEL CO
发明人： ITAKURA HITOSHI , HASHIMOTO TAKAFUMI
IPC分类号： B21B1/02 , B21B1/08
摘要： PURPOSE:To prevent the generation of the surface defect in the flange, by inserting the flat rolling pass for edging only the tip of the flange on the way of the rolling pass using the forming caliber, at the blooming method for obtaining the rough shaped steel billet possessing the web and the flange. CONSTITUTION:The rolling rolls 20, 22 are provided with the conventional forming calibers 20-1, 22-1 and the bull-head calibers 20-2, 22-2 possessing the flat part. The intermediate billet 24 is prepared by the repeated rolling works into almost desired shape with the flange whose blowholes are mostly unsqueezed; this intermediate billet 24 is subjected to the bull-head calibers 20-2, 22-2, in order to edging only the flange tip 24a with the flat part of the calibers by the draft percentage 5-15% per one pass. Next, the billet is subjected to the forming calibers 20-1, 20-2 to finish into the rough shaped steel billet 26 of the specified sectional shape. Hereby, the surface shape and the interior condition of the rough shaped steel billet are improved.

23. 发明专利

JPS54164305A STEEL SHEETTPILE 失效
公开(公告)号：JPS54164305A
公开(公告)日：1979-12-27
申请号：JP7290078
申请日：1978-06-15
申请人： KAWASAKI STEEL CO
发明人： NAKANISHI TERUYUKI , HASHIMOTO TAKAFUMI
IPC分类号： E02D5/08 , B21B1/082

24. 发明专利

JPS54147133A Ingot making of semikilled steel 失效
标题翻译：锡钢的制造
公开(公告)号：JPS54147133A
公开(公告)日：1979-11-17
申请号：JP5604478
申请日：1978-05-11
申请人： Kawasaki Steel Co
发明人： UESUGI HIROYUKI , YAMAMOTO YOSHIHARU , HASHIMOTO TAKAFUMI , MIURA YUKIO
IPC分类号： B22D7/00

25. 发明专利

JP2548377B2 失效
公开(公告)号：JP2548377B2
公开(公告)日：1996-10-30
申请号：JP14217089
申请日：1989-06-06
申请人： KAWASAKI STEEL CO
发明人： HAYASHI HIROYUKI , SETO TSUNEO , MIURA YOSHINORI , FUJIMOTO YOJI , KAWAMURA ARIHIDE , YOSHIDA HIROSHI , ISOBE KUNIO , AKUNE TOSHUKI , HASHIMOTO TAKAFUMI
IPC分类号： B21B1/088 , B21B1/08

26. 发明专利

JPH08197105A MANUFACTURE OF EXTREMELY THICK WIDE-FLANGE STEEL EXCELLENT IN STRENGTH, TOUGHNESS AND WELDABILITY 失效
公开(公告)号：JPH08197105A
公开(公告)日：1996-08-06
申请号：JP897595
申请日：1995-01-24
申请人： KAWASAKI STEEL CO
发明人： UCHIDA KIYOSHI , MATSUZAKI AKIHIRO , AMANO KENICHI , HASHIMOTO TAKAFUMI
IPC分类号： B21B3/00 , B21B1/08 , B21B1/088 , C21D8/00 , C22C38/00 , C22C38/12
摘要： PURPOSE: To obtain an extremely thick wide-flange steel excellent in strength, toughness and weldability by rapidly cooling flange parts from the outside after hot-rolling a slab whose chemical composition and C-equivalent are specified under specified conditions. CONSTITUTION: The steel base stock which consists of, by weight, 0.05-0.15% C, =40% is added at

27. 发明专利

JPH05327A FLANGE RECTANGULARITY STRAIGHTENING MACHINE FOR H-SHAPE STEEL 失效
公开(公告)号：JPH05327A
公开(公告)日：1993-01-08
申请号：JP18202191
申请日：1991-06-26
申请人： KAWASAKI STEEL CO
发明人： AZUMAOKA KOJI , HASHIMOTO TAKAFUMI
IPC分类号： B21D3/05
摘要： PURPOSE:To provide a flange right angle straightening machine for the H-shape steel added with flange angle straightening function to a roller straightening machine used on-line for correcting bend and camber. CONSTITUTION:A flange angle straightening machine for the H-shape steel for straightening the flange rectangularity wherein four rollers upper and lower, right and left are arranged in contact with the tip of the flange of the H-shape steel on the outlet side of the roller straightening machine and the rollers can incline at an optional angle to the advancing direction of the material is provided for the H-shape steel defective in flange rectangularity.

28. 发明专利

JPH0356639A HOT ROLLED WIDE FLANG SHAPE EXCELLENT IN ADHESIVE STRENGTH OF COATED FILM 失效
公开(公告)号：JPH0356639A
公开(公告)日：1991-03-12
申请号：JP18752689
申请日：1989-07-21
申请人： KAWASAKI STEEL CO
发明人： KONDO NOBUYUKI , TABATA NOBUHISA , NAKANO SHOZABURO , HASHIMOTO TAKAFUMI , KONO MIKIO
IPC分类号： C23C8/14 , C22C38/00 , C22C38/06 , C22C38/18
摘要： PURPOSE:To economically obtain a hot rolled wide flange shape excellent in adhesive strength of coated film by hot-rolling a steel having a specific composition consisting of C, Si, Mn, S, Al, and Fe and regulating scale thickness and surface roughness to values in proper ranges, respectively. CONSTITUTION:A steel having a composition consisting of, by weight, 0.05-0.20% C,

29. 发明专利

JPS5826110A MANUFACTURE OF DEFORMED STEEL SHEET PILE 失效
公开(公告)号：JPS5826110A
公开(公告)日：1983-02-16
申请号：JP12502281
申请日：1981-08-10
申请人： KAWASAKI STEEL CO
发明人： HASHIMOTO TAKAFUMI
IPC分类号： E02D5/04
摘要： PURPOSE:To easily manufacture deformed steel sheet piles having a high strength by a method in which parts are set in a deformed shape, a lower hole is drilled in the place to be fitted with rivets, the lower hole is plug-welded for integral connection, a hold of a larger diameter than the lower hole is drilled, and then the parts are fixed by rivets. CONSTITUTION:Steel sheet piles 1 and 2 and auxiliary steel materials 3 and 4 are set, and a lower hole 6 is formed in the place where a rivet or bolt is to be attached by drilling it to a depth as much as 1/2 of the thickness of the auxiliary steel material 4. Then, the lower hole 6 portion is plug-welded to integrally join the steel sheet piles 1 and 2 with the auxiliary steel materials 3 and 4. Then, a main hole 7 of a larger diameter than the lower hole 6 is drilled in the plug-welded portion and they are joined by rivets 5 or bolts.

30. 发明专利

JPS5620227A LINEAR TYPE STEEL SHEETTPILE 失效
公开(公告)号：JPS5620227A
公开(公告)日：1981-02-25
申请号：JP9426279
申请日：1979-07-26
申请人： KAWASAKI STEEL CO
发明人： SHIBATA KATSUMI , NAKANISHI TERUYUKI , HASHIMOTO TAKAFUMI , MIURA YOSHINORI , TAKEDA HIDETOSHI
IPC分类号： E02D5/04
摘要： PURPOSE:To provide the joint strength of a sheet-pile higher than the breaking strength of the web without increasing the weight of the joint cross section by a method wherein a joint portion consists of a main claw and a sub-claw, and the joint portion is so designed as to satisfy at least one of specified conditions. CONSTITUTION:In the linear steel sheet-pile, the thickness f1 of the web portion is 9-13mm., the thickness f2 of the sub-claw portion is 11-15mm., the thickness f3 of the main claw portion is 8-12mm. and the height H of the joint is 65-75mm.. The joint portion is so designed as to satisfy at least one of the following conditions: (a) (H2+H3)/H1>0.60; (b) H3/H2>2.60; (c) n/m

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