EP 3134497 A1 20170301 - METAL SHEET AND METHOD FOR IMPROVING THE FORMABILITY OF METAL SHEET
Title (en)
METAL SHEET AND METHOD FOR IMPROVING THE FORMABILITY OF METAL SHEET
Title (de)
BLECH UND VERFAHREN ZUR VERBESSERUNG DER UMFORMBARKEIT EINES BLECHS
Title (fr)
TÔLE ET PROCÉDÉ DESTINÉ À L'AMÉLIORATION DE LA DÉFORMABILITÉ D'UNE TÔLE
Publication
Application
Priority
- EP 14166085 A 20140425
- EP 2015059108 W 20150427
Abstract (en)
[origin: WO2015162304A1] A metal sheet (1) and a method for improving the deformability of a metal sheet (1) are shown, in which method, prior to the deformation of the metal sheet (1), an aqueous solution comprising polyvinyl alcohol is applied to the metal sheet (1) and is then dried and, in a subsequent step, the thus coated metal sheet surface is oiled. In order to be able to reproducibly create an especially advantageous deformable metal sheet (1), it is proposed that an aqueous solution comprising polyvinyl alcohol, optionally a defoaming agent, optionally a tracer, and the rest water and unavoidable contaminants of the manufacturing process, by applied and dried on the metal sheet (1).
IPC 8 full level
B05D 7/00 (2006.01); B21D 22/20 (2006.01); C09D 5/12 (2006.01); C09J 129/04 (2006.01); C10M 173/02 (2006.01); C25D 5/48 (2006.01)
CPC (source: EP)
B21D 22/201 (2013.01); C10M 173/02 (2013.01); C10M 2209/04 (2013.01); C10N 2040/24 (2013.01); C10N 2040/246 (2020.05)
Citation (search report)
See references of WO 2015162304A1
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 2937411 A1 20151028; EP 3134497 A1 20170301; EP 3134497 B1 20190918; WO 2015162304 A1 20151029
DOCDB simple family (application)
EP 14166085 A 20140425; EP 15719678 A 20150427; EP 2015059108 W 20150427