(19)

(11)

EP 1 280 630 A1

(12)

(43) Date of publication: 05.02.2003 Bulletin 2003/06 (21) Application number: 01931837.7 (22) Date of filing: 10.05.2001

(51) International Patent Classification (IPC)7: B23K 11/11, B23K 11/25, B23K 11/31 (86) International application number: PCT/GB0102/033 (87) International publication number: WO 0108/5379 (15.11.2001 Gazette 2001/46)

(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: 10.05.2000 GB 0011147 (71) Applicant: Corus UK Limited London W1F 2AS (GB)	(72) Inventors: LEWIS, Colin,c/o Corus UK Limited London W1F 7AS (GB) GLEAVE, Matthew,c/o Corus UK Limited London W1F 7AS (GB) (74) Representative: Fry, Alan Valentine et al FRY HEATH & SPENCE LLPThe GablesMassetts Road HorleySurrey RH6 7DQ HorleySurrey RH6 7DQ (GB)