Title:
A method for manufacturing a coin and a coin
Document Type and Number:
Japanese Patent JP6270737
Kind Code:
B2
Abstract:
Coins, medals or casino tokens have a first side, a second side, at least one first layer made of a first material and at least one second layer made of a second material, wherein the first layer is between 10 μm and 90 μm, preferably 20 μm thick. A method produces the coin wherein the coin is produced, more particularly punched, from a clad sheet-shaped composite material. A further method produces the coin wherein the coin is formed from a ring and a core arranged inside the ring. The core and the ring are punched from a clad sheet-shaped composite material and subsequently the core is inserted rotated into the ring and is fixed therein.
Inventors:
Bretz, Wolfgang
Application Number:
JP2014552595A
Publication Date:
January 31, 2018
Filing Date:
January 14, 2013
Export Citation:
Assignee:
Auerhammer Metallwerk GmbH
International Classes:
A44C21/00; B21D28/00; B21D28/02
Domestic Patent References:
| JP2004220114A | ||||
| JP6235037A |
Foreign References:
| US3750253 | ||||
| EP0484813A1 |
Attorney, Agent or Firm:
Keiichiro Saikyo
Previous Patent: The film for protective film formation
Next Patent: SYSTEM FOR DETECTING FOREIGN MATTER
Next Patent: SYSTEM FOR DETECTING FOREIGN MATTER