Refillable free ink writing instrument, kit comprising such a writing instrument, and method thereof
A refillable free ink writing instrument including a body having a rear end, a front end and an ink reservoir disposed between the rear end and the front end, a writing tip mounted on the front end and a plug mounted on the rear end, wherein the plug is configured to close an opening in fluid commun...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A refillable free ink writing instrument including a body having a rear end, a front end and an ink reservoir disposed between the rear end and the front end, a writing tip mounted on the front end and a plug mounted on the rear end, wherein the plug is configured to close an opening in fluid communication with the ink reservoir, the plug being configured to be removable from the rear end to refill the ink reservoir with water and concentrated ink refill. |
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