(19)
(11) EP 1 307 697 A1

(12)

(43) Date of publication:
07.05.2003 Bulletin 2003/19

(21) Application number: 01974096.8

(22) Date of filing: 02.08.2001
(51) International Patent Classification (IPC)7F26B 21/00, F28D 7/08
(86) International application number:
PCT/EP0108/943
(87) International publication number:
WO 0201/2812 (14.02.2002 Gazette 2002/07)
(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: 08.08.2000 IT PD200059 U

(71) Applicant: Piovan S.P.A.
30036 Santa Maria Di Sala (IT)

(72) Inventor:
  • MARZARO, Francesco
    I-30036 Santa Maria Di Sala (IT)

(74) Representative: Modiano, Guido, Dr.-Ing. et al
Modiano & Associati SpAVia Meravigli, 16
20123 Milano
20123 Milano (IT)

   


(54) AIR/AIR EXCHANGER, PARTICULARLY FOR DRYERS OF GRANULATED PLASTICS FOR MOLDING