(19)
(11) EP 1 417 070 A2

(12)

(88) Date of publication A3:
24.04.2003

(43) Date of publication:
12.05.2004 Bulletin 2004/20

(21) Application number: 02751388.6

(22) Date of filing: 06.08.2002
(51) International Patent Classification (IPC)7B23H 1/04, B23H 7/26, B23K 3/04
(86) International application number:
PCT/GB2002/003624
(87) International publication number:
WO 2003/013774 (20.02.2003 Gazette 2003/08)
(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

(30) Priority: 06.08.2001 GB 0119071

(71) Applicant: HARVEY, John Patrick
Devon EX17 6YQ (GB)

(72) Inventor:
  • HARVEY, John Patrick
    Devon EX17 6YQ (GB)

(74) Representative: Coles, Graham Frederick 
Graham Coles & Co.24 Seeleys Road
BeaconsfieldBuckinghamshire HP9 1SZ
BeaconsfieldBuckinghamshire HP9 1SZ (GB)

   


(54) SPARK EROSION