(19)
(11) EP 1 733 824 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
25.07.2007 Bulletin 2007/30

(43) Date of publication A2:
20.12.2006 Bulletin 2006/51

(21) Application number: 06380116.1

(22) Date of filing: 18.05.2006
(51) International Patent Classification (IPC): 
B22C 7/00(2006.01)
 B22C 7/04(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 15.06.2005 ES 200501440

(71) Applicant: Uneco, S.A.
08918 Badalona (ES)

(72) Inventor:
  • Garcia Dausa, Cristina
    08017 Badalona (ES)

(74) Representative: SUGRANES - VERDONCES - FERREGÜELA 
304 Calle Provenza
08008 Barcelona
08008 Barcelona (ES)

   


(54) Casting mould and process for its manufacturing


(57) It presents a casting mould (1), of the types used to form casting sand (10) to reproduce pieces (2), and the process for the manufacturing of said casting mould. The casting mould is composed of a hollow body, essentially rigid and closed, whose interior is totally filled by a hardenable filling material. The wall of the hollow body is provided with at least one portion composed of a nickel coquille (8) arranged gap-free with respect to the rest of the body wall, and the entire inner surface of each nickel coquille being in contact with said filling material.







Search report