Global Patent Index - EP 1587772 B1

EP 1587772 B1 20080813 - METHOD FOR PRODUCING POROUS SINTERED BODIES

Title (en)

METHOD FOR PRODUCING POROUS SINTERED BODIES

Title (de)

VERFAHREN ZUR HERSTELLUNG PORÖSER SINTERFORMKÖRPER

Title (fr)

PROCEDE DE FABRICATION DE PIECES FRITTEES POREUSES

Publication

EP 1587772 B1 20080813 (DE)

Application

EP 04705030 A 20040126

Priority

  • AT 2004000025 W 20040126
  • AT 422003 U 20030130

Abstract (en)

[origin: US2006118984A1] The process of the invention for producing highly porous shaped sintered parts comprises the foaming of thermoplastically flowable molding compositions in the temperature range 80-130° C. An important feature of the process is the use of expandable polystyrene as blowing agent, and also of binder components matched thereto. During foaming, intrinsically closed, cell-like polystyrene foam particles are formed, which allows the manufacture of mechanically strong shaped sintered bodies having a proportion of pores of up to 85% by volume combined with high homogeneity of the pore diameter. The process is employed for the manufacture of open- or closed-porosity shaped sintered ceramic and/or metallic bodies.

IPC 8 full level

C04B 38/06 (2006.01); B22F 1/00 (2006.01); B22F 3/11 (2006.01)

CPC (source: EP US)

B22F 3/1125 (2013.01 - EP US); B22F 2998/10 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

US 2006118984 A1 20060608; AT 6727 U1 20040325; AT E404506 T1 20080815; DE 502004007830 D1 20080925; EP 1587772 A1 20051026; EP 1587772 B1 20080813; JP 2006516678 A 20060706; WO 2004067476 A1 20040812

DOCDB simple family (application)

US 54393305 A 20050828; AT 04705030 T 20040126; AT 2004000025 W 20040126; AT 422003 U 20030130; DE 502004007830 T 20040126; EP 04705030 A 20040126; JP 2006501335 A 20040126