Global Patent Index - EP 3661678 A1

EP 3661678 A1 20200610 - METHOD FOR PRODUCING A SEMI-FINISHED PRODUCT FOR A COMPOSITE MATERIAL

Title (en)

METHOD FOR PRODUCING A SEMI-FINISHED PRODUCT FOR A COMPOSITE MATERIAL

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES HALBZEUGES FÜR EINEN VERBUNDWERKSTOFF

Title (fr)

PROCÉDÉ DE FABRICATION D'UN PRODUIT SEMI-FINI DESTINÉ À UN MATÉRIAU COMPOSITE

Publication

EP 3661678 A1 20200610 (DE)

Application

EP 18773125 A 20180914

Priority

  • DE 102017121511 A 20170915
  • EP 2018074888 W 20180914

Abstract (en)

[origin: WO2019053192A1] The invention relates to a method for producing a semi-finished product comprising a foamable core comprising a foamable mixture that contains at least one first metal having an aluminium content of at least approximately 80 wt. %, in relation to the quantity of the at least one first metal, and at least one foaming agent, according to which a layer of at least one second metal in the form of a non-foamable solid material and with an aluminium content of at least approximately 80 wt. %, in relation to the quantity of the at least one second metal, is respectively applied to at least one first and second surface of the core. The invention also relates to a corresponding semi-finished product and to the use of such a semi-finished product for foaming a metal.

IPC 8 full level

B22F 3/11 (2006.01); B22F 7/00 (2006.01); C22C 1/04 (2006.01)

CPC (source: EP KR US)

B22F 3/1125 (2013.01 - EP KR US); B22F 7/006 (2013.01 - EP KR US); C22C 1/0416 (2013.01 - KR US); B22F 2301/052 (2013.01 - KR US); C22C 1/0416 (2013.01 - EP)

Citation (search report)

See references of WO 2019053192A1

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)

WO 2019053192 A1 20190321; CA 3077586 A1 20190321; CN 111491752 A 20200804; CN 111491752 B 20220524; DE 102017121511 A1 20190321; EP 3661678 A1 20200610; KR 102355057 B1 20220124; KR 20200079242 A 20200702; US 11612934 B2 20230328; US 2020298307 A1 20200924

DOCDB simple family (application)

EP 2018074888 W 20180914; CA 3077586 A 20180914; CN 201880074320 A 20180914; DE 102017121511 A 20170915; EP 18773125 A 20180914; KR 20207010716 A 20180914; US 201816646773 A 20180914