Global Patent Index - EP 1292422 A1

EP 1292422 A1 20030319 - METHOD FOR CONNECTING SHAPE-MEMORY MATERIAL AND STEEL OR COPPER MATERIAL

Title (en)

METHOD FOR CONNECTING SHAPE-MEMORY MATERIAL AND STEEL OR COPPER MATERIAL

Title (de)

VERBINDUNGSTECHNIK ZWISCHEN FORMGEDÄCHTNIS-MATERIAL UND STAHL- ODER KUPFERMATERIAL

Title (fr)

TECHNIQUE D'ASSEMBLAGE D'UN MATERIAU A MEMOIRE DE FORME AVEC UN MATERIAU EN ACIER OU EN CUIVRE

Publication

EP 1292422 A1 20030319 (DE)

Application

EP 01944977 A 20010608

Priority

  • DE 0102154 W 20010608
  • DE 10030395 A 20000621

Abstract (en)

[origin: WO0198018A1] The aim of the invention is a method for connecting a component made from a shape-memory alloy to a thin component made from a steel material or a copper material. According to the invention, a spot-welding technique is provided by means of Cu alloy electrodes. The current strength applied shall be over 1000 A, preferably over 2000 A, at an I<2>t value of over 5000 A<2>s, preferably over 8000 A<2>s, and a compression pressure of at least 30 MPa, preferably 80 MPa.

IPC 1-7

B23K 35/22; B23K 11/30

IPC 8 full level

B23K 11/11 (2006.01); B23K 11/20 (2006.01); B23K 11/24 (2006.01); B23K 11/30 (2006.01); B23K 35/22 (2006.01); C22C 9/00 (2006.01); C22C 19/03 (2006.01); B23K 103/18 (2006.01)

CPC (source: EP US)

B23K 11/3009 (2013.01 - EP US); B23K 35/222 (2013.01 - EP US); B23K 2103/14 (2018.07 - EP US)

Citation (search report)

See references of WO 0198018A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 0198018 A1 20011227; EP 1292422 A1 20030319; JP 2004517732 A 20040617; US 2002179202 A1 20021205

DOCDB simple family (application)

DE 0102154 W 20010608; EP 01944977 A 20010608; JP 2002503485 A 20010608; US 8929902 A 20020329