(19)
(11) EP 4 126 510 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
26.03.2025 Bulletin 2025/13

(45) Mention of the grant of the patent:
19.02.2025 Bulletin 2025/08

(21) Application number: 21722974.9

(22) Date of filing: 29.03.2021
(51) International Patent Classification (IPC): 
B29C 64/135(2017.01)
B29C 64/364(2017.01)
B33Y 40/00(2020.01)
B22F 10/28(2021.01)
B22F 12/90(2021.01)
 B29C 64/153(2017.01)
B33Y 30/00(2015.01)
B29C 64/393(2017.01)
B22F 12/70(2021.01)
(52) Cooperative Patent Classification (CPC):
B29C 64/364; B29C 64/135; B29C 64/153; B33Y 30/00; B33Y 40/00; B29C 64/393; B22F 12/70; B22F 12/90; B22F 2999/00; B22F 10/322; B22F 10/10; B22F 10/368; Y02P 10/25
 
C-Sets:
  1. B22F 2999/00, B22F 12/90, B22F 2203/11;
  2. B22F 2999/00, B22F 12/90, B22F 10/322;
(86) International application number:
PCT/GB2021/050773
(87) International publication number:
WO 2021/198667 (07.10.2021 Gazette 2021/40)

(54)

EXTRACTION SYSTEM FOR APPARATUS FOR THE LAYER-BY-LAYER FORMATION OF THREE-DIMENSIONAL OBJECTS, AND ASSOCIATED METHODS AND CONTROLLER

EXTRAKTIONSSYSTEM FÜR EINE VORRICHTUNG ZUR SCHICHTWEISEN BILDUNG VON DREIDIMENSIONALEN OBJEKTEN UND ZUGEHÖRIGE VERFAHREN UND STEUERUNG

SYSTÈME D'EXTRACTION POUR APPAREIL DE FORMATION COUCHE PAR COUCHE D'OBJETS TRIDIMENSIONNELS, ET MÉTHODES ET CONTRÔLEUR ASSOCIÉS

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 02.04.2020 GB 202004906

(43) Date of publication of application:
08.02.2023 Bulletin 2023/06

(73) Proprietor: Stratasys Powder Production Ltd
London SW1H 0BL (GB)

(72) Inventors:
  • GARRIDO BARRABES, Marcel
    London SW1H 0BL (GB)
  • HARTMANN, Anders
    London SW1H 0BL (GB)

(74) Representative: Pitchford, James Edward et al
Mathys & Squire The Shard 32 London Bridge Street
London SE1 9SG
London SE1 9SG (GB)


(56) References cited: : 
US-A1- 2004 003 741
 US-A1- 2018 370 263
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).