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(11)

EP 1 439 923 A1

(12)

(43) Date of publication: 28.07.2004 Bulletin 2004/31 (21) Application number: 01990128.9 (22) Date of filing: 02.11.2001

(51) International Patent Classification (IPC)7: B21D 53/00, B25F 5/02 (86) International application number: PCT/US2001/047918 (87) International publication number: WO 2003/043760 (30.05.2003 Gazette 2003/22)

(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 (71) Applicant: Static Control Components, Inc. Sanford, NC 27331 (US)	(72) Inventors: SWARTZ, Edwin Sanford, NC 27330 (US) THOMAS, Eugene, H. Sanford, NC 27330 (US) (74) Representative: Behnisch, Werner, Dr.  Reinhard-Skuhra-Weise & Partner GbR,Friedrichstrasse 31 80801 München 80801 München (DE)