Global Patent Index - EP 4066956 A4

EP 4066956 A4 20230111 - MANUFACTURING EQUIPMENT AND MANUFACTURING METHOD FOR STEEL PLATE

Title (en)

MANUFACTURING EQUIPMENT AND MANUFACTURING METHOD FOR STEEL PLATE

Title (de)

FERTIGUNGSANLAGE UND VERFAHREN ZUR HERSTELLUNG EINER STAHLPLATTE

Title (fr)

ÉQUIPEMENT ET PROCÉDÉ DE FABRICATION DE TÔLE D'ACIER

Publication

EP 4066956 A4 20230111 (EN)

Application

EP 20893260 A 20201118

Priority

  • JP 2019212625 A 20191125
  • JP 2020043061 W 20201118

Abstract (en)

[origin: EP4066956A1] To provide manufacturing equipment and a manufacturing method for a steel plate capable of performing more uniform cooling during heat treatment of the steel plate and manufacturing a flat and homogeneous steel plate. Manufacturing equipment (heat treatment equipment (1)) for a steel plate (2) according to an aspect of the present invention is manufacturing equipment for a steel plate (2), in which the steel plate (2) is heat-treated, the equipment including a heating furnace (3) configured to heat the steel plate (2) having a temperature of 100°C or lower, a first flattening device (4) configured to flatten the heated steel plate (2), a quenching device (5) configured to quench the flattened steel plate (2), and a second flattening device (6) configured to flatten the quenched steel plate (2).

IPC 8 full level

C21D 1/28 (2006.01); C21D 1/60 (2006.01); C21D 8/02 (2006.01); C21D 9/00 (2006.01); C21D 9/46 (2006.01); C21D 9/56 (2006.01); B21D 1/02 (2006.01)

CPC (source: EP KR)

B21B 1/22 (2013.01 - KR); B21B 45/02 (2013.01 - KR); B21D 1/05 (2013.01 - KR); C21D 1/19 (2013.01 - KR); C21D 1/28 (2013.01 - EP); C21D 1/60 (2013.01 - EP); C21D 1/63 (2013.01 - KR); C21D 8/0205 (2013.01 - EP); C21D 8/0236 (2013.01 - KR); C21D 8/0242 (2013.01 - EP); C21D 8/0247 (2013.01 - EP KR); C21D 9/0056 (2013.01 - EP); C21D 9/0062 (2013.01 - EP); C21D 9/46 (2013.01 - EP KR); C21D 9/56 (2013.01 - EP); B21B 2001/221 (2013.01 - KR); B21D 1/02 (2013.01 - EP)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4066956 A1 20221005; EP 4066956 A4 20230111; CN 114728320 A 20220708; JP 7173377 B2 20221116; JP WO2021106723 A1 20210603; KR 102685815 B1 20240716; KR 20220080174 A 20220614; WO 2021106723 A1 20210603

DOCDB simple family (application)

EP 20893260 A 20201118; CN 202080081150 A 20201118; JP 2020043061 W 20201118; JP 2021561349 A 20201118; KR 20227015900 A 20201118