(19)
(11) EP 3 294 476 A2

(12)

(88) Date of publication A3:
22.12.2016

(43) Date of publication:
21.03.2018 Bulletin 2018/12

(21) Application number: 16774976.1

(22) Date of filing: 12.05.2016
(51) International Patent Classification (IPC): 
B22C 9/08(2006.01)
B22D 21/00(2006.01)
B22D 27/04(2006.01)
B22D 15/00(2006.01)
 B22C 9/02(2006.01)
B22D 25/02(2006.01)
B22C 9/12(2006.01)
(86) International application number:
PCT/HU2016/050019
(87) International publication number:
WO 2016/181177 (17.11.2016 Gazette 2016/46)
(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:
MA MD

(30) Priority: 14.05.2015 HU P1500230

(71) Applicant: Alu-Öntö Kft.
1213 Budapest (HU)

(72) Inventor:
  • HAJAS, Gergely
    1215 Budapest (HU)

(74) Representative: Kacsuk, Zsófia 
Kacsukpatent Kft. Üteg u. 11/a
1139 Budapest
1139 Budapest (HU)

   


(54) CASTING PROCESS AND SAND MOULD PROVIDED WITH AN INLET SYSTEM FOR PRODUCING AT LEAST PARTLY THIN WALLED ALUMINIUM CASTS WITH SAND MOULDING TECHNOLOGY BY MEANS OF GRAVITY CASTING