Global Patent Index - EP 1009614 A1

EP 1009614 A1 20000621 - JETTING LAYERS OF POWDER AND THE FORMATION OF FINE POWDER BEDS THEREBY

Title (en)

JETTING LAYERS OF POWDER AND THE FORMATION OF FINE POWDER BEDS THEREBY

Title (de)

STRAHLBESCHICHTUNG MIT PULVERFÖRMIGEM MATERIAL UND DADURCH HERGESTELLTE FEIN-PULVER BETTEN

Title (fr)

COUCHES DE POUDRE DEPOSEES PAR JET ET FORMATION DE LITS DE POUDRE FINE A L'AIDE DE CELLES-CI

Publication

EP 1009614 A1 20000621 (EN)

Application

EP 98929036 A 19980612

Priority

  • US 9812280 W 19980612
  • US 5001597 P 19970613

Abstract (en)

[origin: WO9856566A1] A powder bed (32) is built up by repeated deposition of a slurry that contains powder. Layers are made by depositing a liquid dispersion of the desired powdered material, which then slip-casts into the forming powder bed to make a new layer (34). The slurry may be deposited in any suitable manner, such as by raster or vector scanning, or by a plurality of simultaneous jets that coalesce before the liquid slip-casts into the bed, or by individual drops, the deposits of which are individually controlled, thereby generating a regular surface for each layer.

IPC 1-7

B29C 47/92; B29C 67/00; B29C 41/16; B23K 26/14

IPC 8 full level

B05D 1/36 (2006.01); B22F 3/00 (2006.01); B22F 3/22 (2006.01); B23K 26/14 (2006.01); B23K 26/34 (2006.01); B29C 41/00 (2006.01); B29C 41/16 (2006.01); B29C 41/36 (2006.01); B29C 48/92 (2019.01); B29C 67/00 (2006.01); B32B 15/04 (2006.01); B32B 37/00 (2006.01)

CPC (source: EP US)

B22F 3/22 (2013.01 - EP US); B22F 10/14 (2021.01 - EP US); B23K 35/0244 (2013.01 - EP); B23K 35/025 (2013.01 - EP); B29C 41/003 (2013.01 - EP); B29C 41/16 (2013.01 - EP); B29C 41/36 (2013.01 - EP); B29C 64/165 (2017.07 - EP); C23C 24/08 (2013.01 - EP); B22F 2999/00 (2013.01 - EP); B29K 2995/0094 (2013.01 - EP); Y02P 10/25 (2015.11 - EP)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 9856566 A1 19981217; CA 2293638 A1 19981217; CA 2293638 C 20100824; EP 1009614 A1 20000621; EP 1009614 A4 20040421; JP 2002507940 A 20020312; JP 4314414 B2 20090819

DOCDB simple family (application)

US 9812280 W 19980612; CA 2293638 A 19980612; EP 98929036 A 19980612; JP 50326999 A 19980612