EP 2395116 A2 20111214 - Steel sheet heating device, method for producing press-formed part, and press-formed part
Title (en)
Steel sheet heating device, method for producing press-formed part, and press-formed part
Title (de)
Stahlblecherwärmungsvorrichtung, Verfahren zur Herstellung eines pressgeformten Teils und pressgeformtes Teil
Title (fr)
Dispositif de chauffage de feuille d'acier, procédé pour produire une pièce formée de presse et pièce formée de presse
Publication
Application
Priority
JP 2010133947 A 20100611
Abstract (en)
It is provided a steel sheet heating device (10) that heats a flat steel sheet (16, 60), characterized by including: a hot plate (12, 14, 40) having a flat heating surface (12f, 14f, 42f, 44f, 46f) brought into close contact with the steel sheet; and a plurality of heating equipment (18, 18a-18m, 52) able to heat a plurality of heating regions (20a-20d, 42, 44, 46), formed by dividing the heating surface of the hot plate into a plurality of sections, to different heating temperatures at the same time, wherein the steel sheet is heated to different temperatures at various portions based on the heating temperatures of the plurality of heating regions of the heating surface, at the same time through a single heating treatment.
IPC 8 full level
C21D 1/673 (2006.01); C21D 9/00 (2006.01); H05B 3/22 (2006.01)
CPC (source: EP US)
C21D 1/673 (2013.01 - EP US); C21D 9/0068 (2013.01 - EP US); C21D 2221/00 (2013.01 - EP US)
Citation (applicant)
- JP 2010133947 A 20100617 - BIOMARKER SCIENCE KK, et al
- JP 2000177630 A 20000627 - MITSUBISHI MOTORS CORP
- JP 2009095869 A 20090507 - AISIN TAKAOKA LTD
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
DOCDB simple family (publication)
EP 2395116 A2 20111214; EP 2395116 A3 20131225; CN 102284638 A 20111221; JP 2011255413 A 20111222; US 2011303330 A1 20111215
DOCDB simple family (application)
EP 11168891 A 20110607; CN 201110157138 A 20110613; JP 2010133947 A 20100611; US 201113067568 A 20110609