Title (en)

CONTINUOUS ANNEALING METHOD AND APPARATUS FOR DEEP DRAWABLE EXTRA-LOW CARBON STEEL

Publication

EP 0211681 A3 19900606 (EN)

Application

EP 86306234 A 19860812

Priority

JP 17681785 A 19850813

Abstract (en)

[origin: EP0211681A2] A method and an apparatus for continuously annealing extra-low carbon steels are disclosed. The apparatus for practising the method comprises a heating zone, a temperature regulating zone having a large heating capacity per unit length of steel sheet and a good response, a rapid cooling zone and a final cooling zone.

IPC 1-7

C21D 9/48; C21D 9/56

IPC 8 full level

C21D 9/48 (2006.01); C21D 9/56 (2006.01)

CPC (source: EP KR)

C21D 9/48 (2013.01 - EP KR); C21D 9/56 (2013.01 - EP)

Citation (search report)

• [A] DE 2056313 B2 19721109
• [A] DE 2942338 A1 19800424 - NIPPON STEEL CORP
• [A] EP 0112027 A1 19840627 - KAWASAKI STEEL CO [JP]
• [A] US 3385946 A 19680528 - HATCHARD DONALD G
• [A] PATENT ABSTRACTS OF JAPAN vol.6, no.180 (C-125)(1058), 14 September 1982 & JP-A-57 094524 (NIPPON KOKAN) 12-06-1982

Designated contracting state (EPC)

AT DE GB NL SE

DOCDB simple family (publication)

EP 0211681 A2 19870225; EP 0211681 A3 19900606; EP 0211681 B1 19940316; AT E103011 T1 19940415; BE 905254 A 19861201; CA 1274157 A 19900918; CN 1012826 B 19910612; CN 86105994 A 19870401; DE 3689714 D1 19940421; DE 3689714 T2 19940929; ES 2000607 A6 19880301; FR 2586257 A1 19870220; FR 2586257 B1 19910301; IT 1197864 B 19881221; IT 8621475 A0 19860812; IT 8621475 A1 19880212; JP S62124233 A 19870605; KR 870002288 A 19870330; KR 910001607 B1 19910316

DOCDB simple family (application)

EP 86306234 A 19860812; AT 86306234 T 19860812; BE 217032 A 19860808; CA 515759 A 19860812; CN 86105994 A 19860812; DE 3689714 T 19860812; ES 8601043 A 19860812; FR 8611642 A 19860812; IT 2147586 A 19860812; JP 18792286 A 19860812; KR 860006610 A 19860812