Method for producing powder leads and products produced therewith

US11648185B2 · kind B2 · utility

Inventors

• Katrin Hollmann-Raabe · Schwaig, DE
• Tamara Segets · Heilsbronn, DE
• Markus Schmitt · Nuremberg, DE
• Irina Künstler · Roßtal, DE
• Stefan Mozer · Nuremberg, DE
• Reinhard Pinzer · Schnaittach, DE
• Christian Sprogar · Bubenreuth, DE
• Thomas Stadter · Freiahorn, DE

Key dates

• Filing date: Feb 15, 2019
• Grant date: May 16, 2023
• Expiry date: Feb 15, 2039

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B43K19/18
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A method for producing a powder lead is disclosed, wherein at least one colourant, at least one filler and at least one binder are mixed with a carrier liquid, leads are shaped from the wet compound, the leads shaped in step b) are guided through a chamber in which they are exposed to a pulverulent covering agent, and the powdered leads are guided into a drying apparatus and dried therein.