BALL-POINT PEN REFILL
To provide a resin coating capable of obtaining adhesion strength to the tip of a ball-point pen tip and also improving impact resistance.SOLUTION: There is provided a ball-point pen refill including a ball-point pen tip which has a holder, a writing ball held by the holder, and a resin coating adhe...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide a resin coating capable of obtaining adhesion strength to the tip of a ball-point pen tip and also improving impact resistance.SOLUTION: There is provided a ball-point pen refill including a ball-point pen tip which has a holder, a writing ball held by the holder, and a resin coating adhering to and covering the writing ball and the tip of the holder. The resin coating has an inner layer coating that directly adheres to the tip of the holder and an outer layer coating that covers the inner layer coating. The outer layer coating of the resin coating has a lower hardness than the inner layer coating.SELECTED DRAWING: Figure 1C
【課題】ボールペンチップの先端への付着強度を得るとともに、耐衝撃性をも向上可能とされた樹脂被膜を得ることを目的とする。【解決手段】ホルダと、前記ホルダに抱持される筆記ボールと、前記筆記ボール及び前記ホルダの先端に付着しながら被覆する樹脂被膜と、を備えたボールペンチップを有し、前記樹脂被膜は、前記ホルダの先端に直接付着する内層被膜と、前記内層被膜を被覆する外層被膜とを有し、前記樹脂被膜の前記外層被膜は、前記内層被膜に比べて硬度が低いことを特徴とする、ボールペンリフィル。【選択図】図１Ｃ |
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