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1. (WO2019026738) STEEL SHEET FOR CROWN CAP, CROWN CAP AND METHOD FOR PRODUCING STEEL SHEET FOR CROWN CAP
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Pub. No.: WO/2019/026738 International Application No.: PCT/JP2018/027994
Publication Date: 07.02.2019 International Filing Date: 25.07.2018
IPC:
C22C 38/00 (2006.01) ,B65D 41/12 (2006.01) ,C21D 9/46 (2006.01) ,C22C 38/06 (2006.01)
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
38
Ferrous alloys, e.g. steel alloys
B PERFORMING OPERATIONS; TRANSPORTING
65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
D
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
41
Caps, e.g. crown caps, crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
02
Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
10
Caps or cap-like covers adapted to be secured in position by permanent deformation of the wall-engaging parts
12
made of relatively-stiff metallic materials, e.g. crown caps
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
9
Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor
46
for sheet metals
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
38
Ferrous alloys, e.g. steel alloys
06
containing aluminium
Applicants:
JFEスチール株式会社 JFE STEEL CORPORATION [JP/JP]; 東京都千代田区内幸町二丁目2番3号 2-3, Uchisaiwai-cho 2-chome, Chiyoda-ku Tokyo 1000011, JP
Inventors:
植野 卓嗣 UENO Takashi; JP
假屋 房亮 KARIYA Nobusuke; JP
小島 克己 KOJIMA Katsumi; JP
山本 嘉秀 YAMAMOTO Yoshihide; JP
片桐 哲宏 KATAGIRI Akihiro; JP
Agent:
杉村 憲司 SUGIMURA Kenji; JP
Priority Data:
2017-14831431.07.2017JP
Title (EN) STEEL SHEET FOR CROWN CAP, CROWN CAP AND METHOD FOR PRODUCING STEEL SHEET FOR CROWN CAP
(FR) TÔLE D’ACIER POUR CAPSULE COURONNE, CAPSULE COURONNE ET PROCÉDÉ DE PRODUCTION DE TÔLE D’ACIER POUR CAPSULE COURONNE
(JA) 王冠用鋼板、王冠、および王冠用鋼板の製造方法
Abstract:
(EN) As a result of having a component composition containing, in mass%, C: greater than 0.006% to 0.012%, Si: 0.02% or less, Mn: 0.10% to 0.60%, P: 0.020% or less, S: 0.020% or less, Al: 0.01% to 0.07%, and N: 0.0080% to 0.0200%, the balance being Fe and unavoidable impurities, and the percentage of regions at the ½ sheet thickness position in which the dislocation density is 1×1014 m-2 or less being greater than 0% and less than 20%, the present invention provides a steel sheet for crown caps with which crown caps can be produced with excellent moldability and excellent pressure resistance strength, even when thinned and without using an expensive soft liner.
(FR) Grâce à l’obtention d'une composition de composants contenant, en % en masse, C : plus de 0,006 % à 0,012 %, Si : 0,02 % ou moins, Mn : 0,10 % à 0,60 %, P : 0,020 % ou moins, S : 0,020 % ou moins, Al : 0,01 % à 0,07 %, et N : 0,0080 % à 0,0200 %, le reste étant Fe et des impuretés inévitables, et le pourcentage de régions à ½ d'épaisseur de la tôle dans lesquelles la densité de dislocations est de 1×1014 m-2 ou moins étant supérieur à 0 % et inférieur à 20 %, la présente invention concerne une tôle d’acier pour capsules couronnes avec laquelle des capsules couronnes peuvent être produites avec une excellente aptitude au moulage et une excellente résistance à la pression, même lorsqu’elle est amincie et sans utiliser un revêtement souple coûteux.
(JA) 質量%で、C:0.006%超0.012%以下、Si:0.02%以下、Mn:0.10%以上0.60%以下、P:0.020%以下、S:0.020%以下、Al:0.01%以上0.07%以下、およびN:0.0080%以上0.0200%以下を含有し、残部がFeおよび不可避的不純物である成分組成を有し、板厚1/2位置における、転位密度が1×1014-2以下である領域の百分率が0%超20%未満とすることにより、成形性に優れ、かつ、薄肉化した場合であっても、高価な軟質ライナーを使用せずとも優れた耐圧強度を備える王冠を製造することができる王冠用鋼板を提供する。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)