(19)
(11) EP 1 261 441 A1

(12)

(43) Date of publication:
04.12.2002 Bulletin 2002/49

(21) Application number: 99974259.6

(22) Date of filing: 14.12.1999
(51) International Patent Classification (IPC)7B21C 37/12, B21C 37/09
(86) International application number:
PCT/IB9902/000
(87) International publication number:
WO 0104/3895 (21.06.2001 Gazette 2001/25)
(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 MK RO SI

(71) Applicant: CarliEUklima SpA
33170 Pordenone (IT)

(72) Inventors:
  • MARTOREL, Gastone
    I-31015 San Fior (IT)
  • CARLI, Vittorio
    I-33080 Porcia (IT)

(74) Representative: Petraz, Gilberto et al
GLP S.r.l.Piazzale Cavedalis 6/2
33100 Udine
33100 Udine (IT)

   


(54) METHOD TO PRODUCE RADIATING TUBES AND RELATIVE RADIATING TUBES FOR RADIANCY HEATING LINES