发明名称 |
Direct-feed type writing implement |
摘要 |
A direct-feed type writing implement includes: a point assembly having a writing point at the tip thereof; an ink tank directly storing a relatively low viscosity ink having a viscosity of 2 to 100 mPa.S at room temperature; an ink collector for adjusting the internal pressure in the ink tank by utilizing capillarity; a feeder means including a center core, for feeding ink from the ink tank to the writing point; a duct pipe connecting the ink collector and the ink tank; and a duct pipe ink storage portion provided for the duct pipe; and preferably, ink is supplied to the center core as the ink feeder means only through the duct pipe.
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申请公布号 |
US2001004430(A1) |
申请公布日期 |
2001.06.21 |
申请号 |
US20000738938 |
申请日期 |
2000.12.15 |
申请人 |
MITSUBISHI PENCIL KABUSHIKI KAISHA |
发明人 |
MITO YOSUKE;FURUKAWA KAZUHIKO |
分类号 |
B43K5/02;B43K5/18;B43K7/08;B43K8/04;(IPC1-7):B43K5/02 |
主分类号 |
B43K5/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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