EP 0595813 B1 19960911 - DIE FORMING METALLIC SHEET MATERIALS
Title (en)
DIE FORMING METALLIC SHEET MATERIALS
Title (de)
GESENKFORMEN VON METALLBLECHMATERIALIEN
Title (fr)
ETAMPAGE DE TOLES METALLIQUES
Publication
Application
Priority
- US 9107966 W 19911030
- US 73476491 A 19910723
Abstract (en)
[origin: WO9301902A1] A process and apparatus for forming a sheet material by drawing it into a die cavity (12) utilizing the flow of a viscous thermoplastic polymer medium extruded against the sheet (22) and/or extruded out of said die cavity (12) through a plurality of passageways (14a, 14b, and 14c) and programmably varying said extrusion of said medium to cause the sheet material to be controllably stretched into the cavity and shaped.
IPC 1-7
IPC 8 full level
B21D 26/02 (2011.01); B21D 26/021 (2011.01); B21D 26/031 (2011.01)
CPC (source: EP)
B21D 26/02 (2013.01); B21D 26/021 (2013.01); B21D 26/031 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
WO 9301902 A1 19930204; AT E142545 T1 19960915; DE 69122130 D1 19961017; DE 69122130 T2 19970220; EP 0595813 A1 19940511; EP 0595813 A4 19940907; EP 0595813 B1 19960911; ES 2094345 T3 19970116; JP 3187834 B2 20010716; JP H06510236 A 19941117; RU 2096117 C1 19971120
DOCDB simple family (application)
US 9107966 W 19911030; AT 92905251 T 19911030; DE 69122130 T 19911030; EP 92905251 A 19911030; ES 92905251 T 19911030; JP 50473192 A 19911030; RU 94018500 A 19911030