(19)

(11)

EP 1 244 530 A1

(12)

(43) Date of publication: 02.10.2002 Bulletin 2002/40 (21) Application number: 00973743.8 (22) Date of filing: 23.10.2000

(51) International Patent Classification (IPC)7: B22F 1/00 (86) International application number: PCT/US0029/105 (87) International publication number: WO 0103/0520 (03.05.2001 Gazette 2001/18)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 22.10.1999 US 160864 P (71) Applicant: Chrysalis Technologies Incorporated Richmond, VA 23237 (US)	(72) Inventors: DEEVI, Seetharama, C. Midlothian, VA 23113 (US) LILLY, Clifford, A., Jr. Chesterfield, VA 23838 (US) (74) Representative: Marlow, Nicholas Simon  Reddie & Grose16, Theobalds Road London WC1X 8PL London WC1X 8PL (GB)