(19)
(11) EP 4 294 617 A1

(12)

(43) Date of publication:
27.12.2023 Bulletin 2023/52

(21) Application number: 21714379.1

(22) Date of filing: 23.02.2021
(51) International Patent Classification (IPC): 
B29B 15/12(2006.01)
(52) Cooperative Patent Classification (CPC):
B29B 15/122
(86) International application number:
PCT/IB2021/051520
(87) International publication number:
WO 2022/175723 (25.08.2022 Gazette 2022/34)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 17.02.2021 PT 2021117072

(71) Applicant: Universidade do Minho
4704-553 Braga (PT)

(72) Inventors:
  • TEIXEIRA DA COSTA, Artur José
    4800-056 Guimarães (PT)
  • LOURENÇO GIL NUNES, João Pedro
    4470-273 Maia (PT)
  • VILELA PONTES, António José
    4770-313 Landim (PT)
  • COLAÇO GOMES COVAS, José António
    4715-322 Braga (PT)
  • MACHADO VIANA, Júlio César
    4705-204 Braga (PT)
  • MOURA DUARTE, Fernando
    4710-052 Braga (PT)

(74) Representative: Patentree 
Edificio Net Rua de Salazares, 842
4149-002 Porto
4149-002 Porto (PT)

   


(54) IMPREGNATION DEVICE TO PRODUCE CONTINUOUS FIBRE REINFORCED THERMOPLASTIC FILAMENTS FOR 3D PRINTING, AND IMPREGNATION METHOD THEREOF