Process for producing a die

A method of making an impression die comprises the steps of providing a substantially planar bendable bimetal plate (10) consisting of copper and steel bonded together, forming a relief pattern (14) in the surface of the copper for example by an etching process, forming the plate into a non-planar s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	VIGURS, STANLEY WALTER
Format:	Patent
Sprache:	eng
Schlagworte:	DECORATIVE ARTS LINING MACHINES MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FORSCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING,INKING, DAMPING, OR THE LIKE PERFORMING OPERATIONS PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM PRINTING PRINTING PLATES OR FOILS PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTINGSURFACES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A method of making an impression die comprises the steps of providing a substantially planar bendable bimetal plate (10) consisting of copper and steel bonded together, forming a relief pattern (14) in the surface of the copper for example by an etching process, forming the plate into a non-planar sleeve with the copper on the outside and joining the free edges of the sleeve together. Preferably the free edges of the sleeve (10) are joined together while the sleeve is mounted on a metal mandrel (15).