(19)
(11) EP 1 433 545 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.03.2005 Bulletin 2005/11

(43) Date of publication A2:
30.06.2004 Bulletin 2004/27

(21) Application number: 03104926.5

(22) Date of filing: 22.12.2003
(51) International Patent Classification (IPC)7: B21D 19/08, B21D 37/08
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 23.12.2002 IT TO20021115

(71) Applicants:
  • A.M.T. S.r.l.
    10024 Moncalieri (IT)
  • P.M.C. Tecnologie S.r.l.
    10095 Grugliasco (IT)

(72) Inventor:
  • Novarino, Giovanni
    10095 Grugliasco (IT)

(74) Representative: Jorio, Paolo, Dr. Ing. et al
Studio Torta S.r.l., Via Viotti, 9
10121 Torino
10121 Torino (IT)

   


(54) Metal sheet bending unit, particularly for forming lips


(57) A metal sheet bending unit (3), particularly for forming lips (65), has a frame (10) for supporting a metal sheet (19), and a blankholder member (24) movable with respect to the frame (10) between a closed and an open position; the unit (3) also has a bending blade (50), which is movable against a lip (65) of the metal sheet (19) to bend the lip (65), in use, while the metal sheet (19) is held in a fixed position by the blankholder member (24); and the blankholder member (24) and the blade (50) are moved back and forth by respective cam and tappet devices (34, 57), the cams (36, 61) of which are fitted in fixed positions to the same powered transmission shaft (4).






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