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US 2021/0170784 A1Published application
Coin or medal
AssigneeFirma
InventorAlex WEGNER
Life of this patent
Estimating the term…
Abstract
In order to create a long-lasting memento for a musical performance for example, which also has a practical use, a coin or medal is designed with an embossed soundtrack. Furthermore, a method for embossing this coin or medal is proposed.
Claims20
Coin or medal having at least one circumferential outer edge, wherein the coin or medal (2) comprises an embossed soundtrack (6).
A method for galvanic production of a die for the embossing process of a coin or medal, that comprising:
- providing a metal plate, and adding a synthetic material layer to the metal plate;
- introducing a soundtrack of the die (30) into the synthetic material layer;
- galvanically adding a layer onto the synthetic material layer;
- applying a separating agent onto the galvanically added layer;
- galvanically adding a nickel layer to the separating agent and
- detaching the nickel layer, suitable for use as the embossing die (30).
3 more elements
Single-stage or multi-stage embossing method for production of a coin or medal, comprising:
- introducing a round coin blank (28) into an embossing chamber (22) comprising an embossing ring (24) and mutually opposing first and second embossing stamps (26) which are mounted to be able to move towards each other;
- in a first stage of the embossing process, embossing the blank at a pressure of more than 200 tons;
- in a second stage of the embossing process, embossing a soundtrack and/or motif or relief by positioning at least one die (30) into the embossing chamber (22) between the blank (28) and the first and/or second embossing stamps (26), and embossing the corresponding soundtrack (6) and/or the motif or relief (10) of the at least one die on the side of the coin or medal (2).
Dependencies are inferred from the claim text.