(19)
(11) EP 1 015 151 A1

(12)

(43) Date of publication:
05.07.2000 Bulletin 2000/27

(21) Application number: 98926211.8

(22) Date of filing: 29.05.1998
(51) International Patent Classification (IPC)7B21F 27/00, C21D 9/02, B21F 35/00
(86) International application number:
PCT/US9811/355
(87) International publication number:
WO 9853/933 (03.12.1998 Gazette 1998/48)
(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 RO SI

(30) Priority: 30.05.1997 US 868120

(71) Applicant: SIMMONS COMPANY
Atlanta,Georgia 30328 (US)

(72) Inventors:
  • MAULDIN, Michael, W.
    Hiram, GA 30141 (US)
  • KUCHEL, Bernard, W.
    Stone Mountain, GA 30087 (US)

(74) Representative: Hooiveld, Arjen Jan Winfried et al
Arnold & SiedsmaSweelinckplein 1
2517 GK Den Haag
2517 GK Den Haag (NL)

   


(54) METHOD AND APPARATUS FOR MANUFACTURING COIL SPRINGS