(19)
(11) EP 0 197 190 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.01.1987 Bulletin 1987/03

(43) Date of publication A2:
15.10.1986 Bulletin 1986/42

(21) Application number: 85113917

(22) Date of filing: 31.10.1985
(84) Designated Contracting States:
BE DE FR GB NL

(30) Priority: 28.01.1985 IT 1925485

(71) Applicant: Vigano, Vittorio
 ()

(72) Inventor:
  • Vigano, Vittorio
     ()

   


(54) A device for piercing sheets or webs along fold lines thereof


(57) The invention is concerned with the technical field of bookbinding machines, and in particular with a device for piercing sheets and webs along fold lines thereof. A device (1) is provided which comprises cutting members (2) defined by a punch wheel (9) having teeth whose thickness is equal to the width of sheet portions (8) to be cut off, anvil members (3) defined by a pair of discs (15) flanking said punch wheel (9), on opposed sides thereof, and a sleeve (17) carrying said disks (15) mounted for angular rotation and axial oscillation on a secondary shaft (16) parallel to a primary shaft (10) carrying said punch wheel (9).







Search report