发明名称 |
DEVICE FOR PREVENTING DRYING OF INK IN WRITING INSTRUMENT |
摘要 |
A device for preventing drying of ink in a writing instrument, in particular, a writing instrument provided with a tubular holder made of synthetic resin. The writing instrument is internally provided with a tubular ink-cartridge containing ink and a liquid retainer impregnated with liquid whose vapor pressure is higher than that of the liquid in the ink in the ink-cartridge, provided in an inner space of the holder so as to control evaporation of ink from the cartridge by the use of vapor evaporating from the impregnated retainer. |
申请公布号 |
GB2135247(B) |
申请公布日期 |
1986.03.19 |
申请号 |
GB19830031155 |
申请日期 |
1983.11.22 |
申请人 |
* SAKURA COLOR PRODUCTS CORPORATION |
发明人 |
SHIGEYASU * INOUE;TATSUYA * OZU;HIROYOSHI * YAMAMOTO |
分类号 |
B43K7/06;B43K7/10;B43K8/04;C09D11/16;(IPC1-7):B43K5/00 |
主分类号 |
B43K7/06 |
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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