EP 2140953 B1 20111228 - Method for stamping metal parts
Title (en)
Method for stamping metal parts
Title (de)
Formschmiedeverfahren von Metallteilen
Title (fr)
Procédé d'étampage de pièces métalliques
Publication
Application
Priority
CH 10452008 A 20080704
Abstract (en)
[origin: EP2140953A1] Process of stamping of a metal or metal alloy component using matrix of a press, comprises: (a)preparing a lubricating composition comprising at least one anionic surfactant compound and at least one amphoteric or non-ionic surfactant compound, in an aqueous solution; (b) bubbling a gas in the composition; applying the obtained composition on the component; and (c) stamping the component by applying a pressure on a patch, volume and dimensions for obtaining the component, through the matrix.
IPC 8 full level
B21D 22/20 (2006.01); B21D 37/18 (2006.01); C10M 103/00 (2006.01)
CPC (source: EP)
B21D 22/201 (2013.01); B21D 37/18 (2013.01); C10M 173/02 (2013.01); C10M 2201/16 (2013.01); C10M 2207/10 (2013.01); C10M 2209/104 (2013.01); C10M 2219/044 (2013.01); C10N 2040/24 (2013.01)
C-Set (source: EP)
Designated contracting state (EPC)
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 SE SI SK SM TR
DOCDB simple family (publication)
EP 2140953 A1 20100106; EP 2140953 A8 20101027; EP 2140953 B1 20111228; AT E538885 T1 20120115; CH 699084 A2 20100115; CH 699084 B1 20100415
DOCDB simple family (application)
EP 09164491 A 20090703; AT 09164491 T 20090703; CH 10452008 A 20080704