(19)
(11) EP 0 160 343 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.08.1987 Bulletin 1987/34

(43) Date of publication A2:
06.11.1985 Bulletin 1985/45

(21) Application number: 85200652

(22) Date of filing: 26.04.1985
(84) Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE

(30) Priority: 02.05.1984 IT 2076684

(71) Applicant: DELTASIDER S.p.A.
 ()

(72) Inventor:
  • Vita Finzi Zalman, Emilio
     ()

   


(54) Machine for forming outer rings for bimetallic coins or medals, from round metal blanks


(57) @ This invention relates to a machine for forming, from round metal blanks, rings with a compressed and toothed inner edge with which to form an outer rim on bimetallic coins or medals. The machine comprises a first punching station in which the round blank is perforated by means of a suitable unit comprising a punch, die and backing die, and a second precoining station in which the inner edge is formed on the perforated round blank by compressing and toothing it by means of a further suitable unit comprising a punch, die and backing die. The pieces to be worked in the stations are fed automatically.






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