(19)
(11) EP 0 237 909 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
21.03.1990 Bulletin 1990/12

(43) Date of publication A2:
23.09.1987 Bulletin 1987/39

(21) Application number: 87103369.2

(22) Date of filing: 10.03.1987
(51) International Patent Classification (IPC)4: B21G 3/16
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 12.03.1986 JP 35673/86 U

(71) Applicant: YOSHIDA KOGYO K.K.
Chiyoda-ku, Tokyo (JP)

(72) Inventor:
  • Hasegawa, Kenji
    Uozu-shi Toyama-ken (JP)

(74) Representative: Casalonga, Axel et al
BUREAU D.A. CASALONGA - JOSSE Morassistrasse 8
80469 München
80469 München (DE)


(56) References cited: : 
   
       


    (54) Tack shaping apparatus


    (57) A tack shaping apparatus includes a cooperating pair of shaping dies (26, 27) synchronously reciprocably movable toward and away from each other to form a pointed end (30) on the shank (PB) of a tack blank (P). With the synchronous reciprocating movement of the shaping dies (26, 27), the pointed end (30) is accerately aligned with the central axis of the shank (PB).







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