(19)
(11) EP 1 521 654 A1

(12)

(43) Date of publication:
13.04.2005 Bulletin 2005/15

(21) Application number: 02752249.9

(22) Date of filing: 11.07.2002
(51) International Patent Classification (IPC)7B22D 29/00
(86) International application number:
PCT/US2002/021795
(87) International publication number:
WO 2004/007120 (22.01.2004 Gazette 2004/04)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(71) Applicant: Consolidated Engineering Company, Inc.
Kennesaw,Georgia 30144-3651 (US)

(72) Inventors:
  • LEWIS, James, L., Jr.
    Kennesaw, GA 30152 (US)
  • FRENCH, Ian
    Kennesaw, GA 30144 (US)
  • KNOBLOCH, Volker, R.
    Woodstock, GA 30189 (US)
  • CRAFTON, Scott, P.
    Marietta, GA 30064 (US)
  • CRAFTON, Paul, M.
    Kennesaw, GA 30144 (US)
  • GARRETT, James, R.
    Acworth, GA 30101 (US)
  • DALTON, John
    Acworth, GA 30102 (US)

(74) Representative: Hofstetter, Alfons J., Dr.rer.nat. et al
Hofstetter, Schurack & SkoraBalanstrasse 57
81541 München
81541 München (DE)

   


(54) METHOD AND APPARATUS FOR ASSISTING REMOVAL OF SAND MOLDINGS FROM CASTINGS