Global patent index - EP 1009614 A1

EP 1009614 A1 2000-06-21 - 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 (EN)

Application

EP 98929036 A

Priority

  • US 9812280 W
  • US 5001597 P

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 (main, further and additional classification)

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

IPC 8 full level (invention and additional information)

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 67/00 (2006.01); B32B 15/04 (2006.01); B32B 37/00 (2006.01)

CPC (invention and additional information)

B29C 67/0081 (2013.01); B22F 3/008 (2013.01); B22F 3/22 (2013.01); B23K 35/0244 (2013.01); B23K 35/025 (2013.01); B29C 41/003 (2013.01); B29C 41/16 (2013.01); B29C 41/36 (2013.01); C23C 24/08 (2013.01); B22F 2999/00 (2013.01); B29K 2995/0094 (2013.01)

Combination set (CPC)

  1. B22F 2999/00 + B22F 3/22 + B22F 7/02
  2. B22F 2999/00 + B22F 3/008 + B22F 3/22

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

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

INPADOC legal status

2010-01-06 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Effective date: 20091124

2006-10-04 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20060905

2004-04-21 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20040310

2004-04-21 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: 7B 29C 47/92 A

2004-04-21 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: 7B 29C 67/00 B

2004-04-21 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: 7B 29C 41/16 B

2004-04-21 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: 7B 23K 26/14 B

2000-06-21 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000111

2000-06-21 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB