(19)
(11) EP 1 401 628 A1

(12)

(43) Date of publication:
31.03.2004 Bulletin 2004/14

(21) Application number: 02743982.7

(22) Date of filing: 02.07.2002
(51) International Patent Classification (IPC)7B29C 47/20, B29C 47/92
(86) International application number:
PCT/NL2002/000432
(87) International publication number:
WO 2003/004247 (16.01.2003 Gazette 2003/03)
(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: 03.07.2001 NL 1018450

(71) Applicant: Machinefabriek "de Rollepaal" B.V.
7701 BR Dedemsvaart (NL)

(72) Inventor:
  • VISSCHER, Jan
    NL-7775 AK Lutten (NL)

(74) Representative: Prins, Hendrik Willem et al
Arnold & Siedsma,Advocaten en Octrooigemachtigden,Sweelinckplein 1
2517 GK Den Haag
2517 GK Den Haag (NL)

   


(54) DEVICE FOR EXTRUDING A THERMOPLASTIC POLYMER INTO A TUBE, AND AN EXTRUDER HEAD THEREFOR