(19)
(11) EP 0 333 675 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.03.1990 Bulletin 1990/13

(43) Date of publication A2:
20.09.1989 Bulletin 1989/38

(21) Application number: 89830119.7

(22) Date of filing: 16.03.1989
(51) International Patent Classification (IPC)4: B65H 23/025, B65H 27/00
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR LI LU NL SE

(30) Priority: 18.03.1988 IT 1157788 U

(71) Applicant: Conti, Romano
I-50047 Prato Florence (IT)

(72) Inventor:
  • Conti, Romano
    I-50047 Prato Florence (IT)

(74) Representative: Bardini, Marco Luigi et al
c/o Società Italiana Brevetti S.p.A. Corso dei Tintori, 25
50122 Firenze
50122 Firenze (IT)


(56) References cited: : 
   
       


    (54) Conveying and folding cylinder for use in the paper and cardboard industry


    (57) A conveying and folding cylinder suitable for instal­lation on machines for folding paper material having the side surface consisting of a metal part and of a part made from material with a high friction coefficient, such as rubber, wherein the metal part and the part with a high friction coefficient are arranged alternately in order to form on the surface two paris of opposing helices each extending from the middle of said cylinder toward one of the ends.







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