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US 11,724,534 B2Granted
Pen
AssigneeKuretake Co., Ltd.
InventorsMiyoko Tsuda, Makiko Morimoto
Life of this patent
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Abstract
A is a pen including: an ink reservoir that stores an ink including decorative particles and a pen tip section. The ink reservoir includes a tubular casing member having liquid blocking properties and an ink occlusion material disposed inside the casing member. The casing member has a first opening end and a second opening end. The ink occlusion material includes multiple fibers disposed in the casing member and the multiple fibers respectively having one ends and other ends each disposed at a position corresponding to the first opening end or the second opening end of the casing member.
Claims8
A pen comprising:
- an ink reservoir that stores an ink comprising decorative particles;
- and
- a pen tip section to which the ink is supplied from the ink reservoir;
- the ink reservoir comprising a tubular casing member having liquid blocking properties, and an ink occlusion material disposed inside the tubular casing member;
- the tubular casing member having a first opening end and a second opening end opposite to the first opening end in a direction in which a center axis of the tubular casing member extends, in which the first opening end is disposed to face the pen tip section;
- the ink occlusion material comprising multiple fibers disposed inside the tubular casing member;
- the multiple fibers respectively having one ends disposed at a position corresponding to the first opening end or the second opening end of the tubular casing member;
- and
- the multiple fibers respectively having other ends disposed at a position corresponding to the first opening end or the second opening end of the tubular casing member.
6 more elements
Dependencies are inferred from the claim text.