EP 0160343 A3 19870819 - MACHINE FOR FORMING OUTER RINGS FOR BIMETALLIC COINS OR MEDALS, FROM ROUND METAL BLANKS
Title (en)
MACHINE FOR FORMING OUTER RINGS FOR BIMETALLIC COINS OR MEDALS, FROM ROUND METAL BLANKS
Publication
Application
Priority
IT 2076684 A 19840502
Abstract (en)
[origin: EP0160343A2] 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.
IPC 1-7
IPC 8 full level
B21D 53/16 (2006.01); B44B 5/00 (2006.01); B44B 5/02 (2006.01)
CPC (source: EP)
B21D 53/16 (2013.01); B44B 5/00 (2013.01); B44B 5/024 (2013.01); B44B 5/026 (2013.01)
Citation (search report)
- [A] BE 425446 A
- [A] GB 648267 A 19510103 - ILLINOIS TOOL WORKS
- [A] FR 1392631 A 19650319 - ATELIERS RENE HALFTERMEYER ARE
Designated contracting state (EPC)
AT BE CH DE FR GB LI LU NL SE
DOCDB simple family (publication)
EP 0160343 A2 19851106; EP 0160343 A3 19870819; EP 0160343 B1 19881130; AT E38949 T1 19881215; DE 3566508 D1 19890105; IT 1173945 B 19870624; IT 8420766 A0 19840502; IT 8420766 A1 19851102
DOCDB simple family (application)
EP 85200652 A 19850426; AT 85200652 T 19850426; DE 3566508 T 19850426; IT 2076684 A 19840502