Writing instrument comprising a switchable flow material

The present disclosure relates to a writing instrument comprising a tubular body, a reservoir for an ink composition. The writing instrument comprises a nib comprising a switchable flow material, wherein the switchable flow material is configured to switch between a fluid flow preventing condition a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Wright, Christopher John, Duffy, David Michael, Polygerinos, Panagiotis
Format:	Patent
Sprache:	eng
Schlagworte:	BUREAU ACCESSORIES IMPLEMENTS FOR WRITING OR DRAWING PERFORMING OPERATIONS TRANSPORTING WRITING OR DRAWING IMPLEMENTS
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