(19)
(11) EP 1 797 977 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
06.08.2008 Bulletin 2008/32

(43) Date of publication A2:
20.06.2007 Bulletin 2007/25

(21) Application number: 06125467.8

(22) Date of filing: 05.12.2006
(51) International Patent Classification (IPC): 
B22D 17/08(2006.01)
B22C 9/04(2006.01)
 B22D 17/22(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 RS

(30) Priority: 19.12.2005 US 311910

(71) Applicant: HOWMET CORPORATION
Cleveland, Ohio 44105 (US)

(72) Inventors:
  • Vogt, Russell G.
    Yorktown, MI 23962 (US)
  • Lee, David S.
    Muskegon, MI 49445 (US)
  • Corrigan, John
    Yorktown, VA 23693 (US)
  • Whitaker, Debra
    Hart, MI 49420 (US)
  • Ervin, Leonard L.
    Whitehall, MI 49461 (US)

(74) Representative: Hoeger, Stellrecht & Partner Patentanwälte 
Uhlandstrasse 14 c
70182 Stuttgart
70182 Stuttgart (DE)

   


(54) Die casting in investment mold


(57) Method and apparatus for casting a metallic material involves the steps of disposing an investment mold in a container, holding the container with the mold therein relative to a platen of a casting machine such that one or more mold cavities communicate to a shot sleeve to receive molten metallic material therefrom, introducing the molten metallic material in the shot sleeve under hydraulic pressure into the one or more mold cavities of the mold while the container is held adjacent the platen, and at least partially solidifying the metallic material in the one or more mold cavities.







Search report