EP 3501683 A1 20190626 - METHOD OF FORMING A METAL CAN
Title (en)
METHOD OF FORMING A METAL CAN
Title (de)
VERFAHREN ZUR HERSTELLUNG EINER METALLDOSE
Title (fr)
PROCÉDÉ DE FORMAGE D'UN RÉCIPIENT MÉTALLIQUE
Publication
Application
Priority
EP 17210346 A 20171222
Abstract (en)
The invention relates to a method of forming a metal can comprising the steps of:- providing a metal sheet (5) with a polymer coating on at least one side,- cutting a blank (4) from the metal sheet (5),- drawing the blank (4) into a cup (9),- wall ironing the cup (9) into a can (18), andwherein the blank (4) is drawn in a single drawing step into a cup (9), wherein the inner diameter of the cup (9) after the single drawing step matches the required inner diameter to be subjected to the wall ironing step.
IPC 8 full level
B21D 22/28 (2006.01); B21D 22/30 (2006.01)
CPC (source: EP)
B21D 22/28 (2013.01); B21D 22/286 (2013.01); B21D 22/30 (2013.01)
Citation (search report)
- [XI] JP 2007275947 A 20071025 - DAIWA CAN CO LTD
- [XI] GB 1517732 A 19780712 - AMERICAN CAN CO
- [XI] EP 1695772 A1 20060830 - TOYO SEIKAN KAISHA LTD [JP]
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)
DOCDB simple family (application)
EP 17210346 A 20171222