EP 0595813 A4 19940907 - DIE FORMING METALLIC SHEET MATERIALS
Title (en)
DIE FORMING METALLIC SHEET MATERIALS
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)
Citation (search report)
- No further relevant documents disclosed
- See references of WO 9301902A1
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