(19)
(11) EP 0 402 325 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.08.1991 Bulletin 1991/32

(43) Date of publication A2:
12.12.1990 Bulletin 1990/50

(21) Application number: 90830237.5

(22) Date of filing: 25.05.1990
(51) International Patent Classification (IPC)5: B65H 18/20, B65H 19/28, B65H 19/30
(84) Designated Contracting States:
AT DE ES GB GR NL

(30) Priority: 08.06.1989 IT 944889

(71) Applicant: PERINI NAVI S.p.A.
I-55100 Lucca (IT)

(72) Inventor:
  • Biagiotti, Guglielmo
    I-55012 Capannori, Lucca (IT)

(74) Representative: Mannucci, Gianfranco, Dott.-Ing. 
Ufficio Tecnico Ing. A. Mannucci Via della Scala 4
I-50123 Firenze
I-50123 Firenze (IT)


(56) References cited: : 
   
       


    (54) Apparatus for the formation of rolls of web material on a winding core


    (57) An apparatus for winding webs of paper or similar material on a core (A) including a first rotary winding roller (1), along which a web material (N) is driven. A second rotary winding roller (3), forms a nip (5) with said first winding roller (1) to receive a core (A1). A pusher (12) inserts a core (A1) into the nip (5). A movable roller (7) controls the diameter of the roll (R) or log in the course of formation between said three rollers (1, 3, 7). Only the second roller (3) is arranged to have a variable speed and to slow down during the insertion of a core (A1) into said nip (5). An adhesive applicator (20) is provided to wet the cores (A) with glue before being inserted into said nip (5), and a take-off surface (9) near said second winding roller (3) extends away from the exit of said nip (5).






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