Writing instrument comprising a switchable flow material
AssigneesSociete BIC, Bic-Violex SA
InventorsPanagiotis POLYGERINOS, David Michael DUFFY, Christopher John WRIGHT
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Abstract
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 and a fluid flow enabling condition by a stimulus. The switchable flow material is configured to control flow of the ink composition from the reservoir to or towards a writing surface.
Claims20
A writing instrument comprising:
- a tubular body;
- a reservoir for an ink composition;
- and
- a nib comprising a switchable flow material, wherein the switchable flow material is configured to switch between a fluid flow preventing condition and a fluid flow enabling condition by a stimulus, wherein the switchable flow material is configured to control flow of the ink composition from the reservoir to or towards a writing surface.
A method of manufacturing a writing instrument comprising:
- obtaining:
- a tubular body, a reservoir for an ink composition, a nib , and a switchable flow material , which is configured to switch between a fluid flow preventing condition and a fluid flow enabling condition by a stimulus;
- assembling the components such that the switchable flow material is configured to control flow of the ink composition from the reservoir to or towards a writing surface;
- and
- filling the reservoir with the ink composition.
Dependencies are inferred from the claim text.