WRITING INSTRUMENT
To provide a marking having good visibility and which will not be scraped off even when the surface is worn, on the inner side of the writing instrument part relative to the surface.SOLUTION: Provided is a writing instrument including a writing instrument part having an inner portion made of a synth...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide a marking having good visibility and which will not be scraped off even when the surface is worn, on the inner side of the writing instrument part relative to the surface.SOLUTION: Provided is a writing instrument including a writing instrument part having an inner portion made of a synthetic resin that is visible from the inside and that is composed of an outermost layer and at least one inner layer located inside the outermost layer, and a marking formed by foaming or carbonizing or both of the synthetic resin between the outermost layer and the inner layer.SELECTED DRAWING: Figure 2
【課題】筆記具部品の表面よりも内面側に、表面が摩耗した状態でも削れることのない、視認性が良好な刻印を施す。【解決手段】内部が視認可能な合成樹脂で形成されているとともに、最外層と、前記最外層より内側に位置する少なくとも一つの内層とで構成される筆記具部品と、前記最外層と前記内層との間において、前記合成樹脂が発泡若しくは炭化又はその両方を被って形成された刻印と、を有する、筆記具。【選択図】図２ |
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