(19)
(11) EP 1 310 308 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.09.2004 Bulletin 2004/39

(43) Date of publication A2:
14.05.2003 Bulletin 2003/20

(21) Application number: 02024491.9

(22) Date of filing: 30.10.2002
(51) International Patent Classification (IPC)7: B21D 28/04, B21D 43/11
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 09.11.2001 GB 0127039

(71) Applicant: Tradewise Engineering Limited
London WS1 2YR (GB)

(72) Inventor:
  • Ostini, Giorgio
    Roveredo (CH)

(74) Representative: Luppi, Luigi et al
Luppi Crugnola Bergamini & Partners S.r.l. Viale Corassori, 54
41100 Modena
41100 Modena (IT)

   


(54) Punching machine


(57) A punching machine having a punching machine framework (7), a work plane (4) for work pieces (3), a handling assembly carried by said framework (7), a graduated workpiece checking bar (6) and a pair of workpiece-locking pincers (2) brought by said units (11) for each pincers (2), and a programme control unit (30), handling assembly, said graduated bar (6) being mobile in, and flush with a work plane (4), at least one pair of clamping the machine comprising a device (1) for automatic positioning each of the workpiece-locking pincers (2), including a slide member (9) for each pincer (2) slidably mounted on the said graduated bar (6), locking and retaining means (13) carried by said slide member (9) and locking means (10) arranged to lock and unlock said slide member (9) relatively to said graduated bar (6).






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