COEXTRUSION OF PERIODICALLY MODULATED STRUCTURES

A method for manufacturing a foil having a variable strip geometry, which makes it possible to supply a foil that bears a complex security feature. Varying of the geometry is effected by means of a movement of a position-variable distributor rail of the extruder.

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Bibliographische Detailangaben
1. Verfasser: RIEDL, Josef
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for manufacturing a foil having a variable strip geometry, which makes it possible to supply a foil that bears a complex security feature. Varying of the geometry is effected by means of a movement of a position-variable distributor rail of the extruder.