(19)
(11) EP 0 348 588 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.08.1990 Bulletin 1990/32

(43) Date of publication A2:
03.01.1990 Bulletin 1990/01

(21) Application number: 89100772.6

(22) Date of filing: 18.01.1989
(51) International Patent Classification (IPC)5B21B 21/04
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 30.06.1988 IT 2117988

(71) Applicant: INNSE INNOCENTI ENGINEERING S.p.A.
I-16126 Genova (IT)

(72) Inventors:
  • Maccarini, Carlo
    CH-1618 Chatel St. Denis (CH)
  • Quecchia, Giorgio
    I-20094 Corsico Milan (IT)
  • Sardelli, Bruno
    CH-1618 Chatel St. Denis (CH)

(74) Representative: Vannini, Torquato et al
c/o JACOBACCI & PERANI S.p.A. Via Visconti di Modrone, 7
20122 Milano
20122 Milano (IT)


(56) References cited: : 
   
       


    (54) A pilgrim-process rolling mill


    (57) In a pilgrim-process rolling mill the mounting of a spindle (7) to the piston (4) from the hydropneumatic box (3) is made faster and more reliable by a ramp-type bayonet joint (14) provided between the rod (6) of said piston (4) and the spindle (7).







    Search report