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1. WO1996002333 - ROLLING MILL FOR PRODUCING ANGLE STEEL FROM HOOP STEEL AND METHOD FOR ROLLING ANGLE STEEL USING THE ROLLING MILL

Publication Number WO/1996/002333
Publication Date 01.02.1996
International Application No. PCT/JP1995/001402
International Filing Date 13.07.1995
Chapter 2 Demand Filed 01.11.1995
IPC
B21B 1/08 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
1Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
08for rolling work of special cross-section, e.g. angle steel
B21B 3/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
3Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences
02Rolling special iron alloys
B21B 45/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
45Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
B21B 45/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
45Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
02for lubricating, cooling, or cleaning
CPC
B21B 1/09
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
1Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section
08for rolling ; structural sections, i.e.; work of special cross-section, e.g. angle steel
09L-sections
B21B 2261/21
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
2261Product parameters
20Temperature
21Temperature profile
B21B 3/02
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
3Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
02Rolling special iron alloys ; , e.g. stainless steel
B21B 45/004
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
45Devices for surface ; or other; treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
004Heating the product
B21B 45/0209
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
45Devices for surface ; or other; treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
02for lubricating, cooling, or cleaning
0203Cooling
0209Cooling devices, e.g. using gaseous coolants
Applicants
  • SUMITOMO METAL INDUSTRIES, LTD. [JP/JP]; 5-33, Kitahama 4-chome Chuo-ku Osaka-shi Osaka 541, JP (AllExceptUS)
  • KUSABA, Yoshiaki [JP/JP]; JP (UsOnly)
Inventors
  • KUSABA, Yoshiaki; JP
Agents
  • MORI, Michio ; Sumitomoseimei-Amagasaki Building 17-23, Higashinaniwacho 5-chome Amagasaki-shi Hyogo 660, JP
Priority Data
6/16661419.07.1994JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ROLLING MILL FOR PRODUCING ANGLE STEEL FROM HOOP STEEL AND METHOD FOR ROLLING ANGLE STEEL USING THE ROLLING MILL
(FR) LAMINOIR POUR LA PRODUCTION DE CORNIERES D'ACIER A PARTIR DE FEUILLARDS D'ACIER ET PROCEDE DE LAMINAGE DE CORNIERES D'ACIER AU MOYEN DUDIT LAMINOIR
Abstract
(EN)
The present invention relates to a rolling mill for producing angle steel having superior surface properties and a small outer radius at a corner portion and a rolling method using the rolling mill. The rolling mill according to the present invention is a mill in which a heating device for heating running hoop steel, a universal mill having disposed thereon a pair of vertical rolls each having a slot pass formed in a surface thereof and a pair of horizontal rolls one of which has a slot pass formed in a surface at the center thereof and a group of double pass mills are closely disposed. It is possible to dispose a directly energized heating device (H2) as a heating device. Since the thickness of a central portion of the hoop steel is rolled to a great extent by means of the universal mill, an angle product can be rolled out of hoop steel whose thickness is equal to a flange thickness of the angle.
(FR)
L'invention concerne un laminoir permettant de produire des cornières d'acier présentant des propriétés superficielles améliorées et un faible rayon externe au niveau des angles, ainsi qu'un procédé de laminage dans lequel ledit laminoir est utilisé. Le laminoir selon l'invention comporte un dispositif chauffant conçu pour chauffer le feuillard d'acier en déplacement, un laminoir à larges plats sur lequel est placée une paire de cylindres verticaux dans une surface desquels une fente de passage est formée, et une paire de cylindres horizontaux au centre desquels une fente de passage est formée, ainsi qu'un groupe de laminoirs double passe. Il est possible d'utiliser un dispositif chauffant à alimentation directe (H2) comme dispositif chauffant. L'épaisseur d'une partie centrale du feuillard d'acier étant laminée, dans une large mesure, au moyen du laminoir à larges plats, il est possible de produire un produit angulaire à partir d'un feuillard d'acier dont l'épaisseur équivaut à l'épaisseur de la semelle de la cornière.
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