(19)
(11) EP 1 303 373 A1

(12)

(43) Date of publication:
23.04.2003 Bulletin 2003/17

(21) Application number: 01939335.4

(22) Date of filing: 23.05.2001
(51) International Patent Classification (IPC)7B22D 29/00
(86) International application number:
PCT/US0116/686
(87) International publication number:
WO 0209/4479 (28.11.2002 Gazette 2002/48)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 27.07.2000 US 627109
19.09.2000 US 665354
09.05.2001 US 852256

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

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