发明名称 |
Free-ink type writing instrument |
摘要 |
A free-ink type writing instrument having a temporary ink collector having a sectionally combed configuration, between an ink tank chamber and an writing tip and inside the front barrel, wherein all or part of the gaps between neighboring combed teeth for retaining ink in the temporary ink collector are set equal to 0.15 mm or smaller, and the ink tank is charged with an ink having a surface tension equal to 30 mN/m or lower at 25° C.
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申请公布号 |
US2002081142(A1) |
申请公布日期 |
2002.06.27 |
申请号 |
US20010011438 |
申请日期 |
2001.12.11 |
申请人 |
KOYAMA TAKAO;KIRITA KAZUHISA;IWASA ATSUSHI |
发明人 |
KOYAMA TAKAO;KIRITA KAZUHISA;IWASA ATSUSHI |
分类号 |
B43K5/18;B43K5/02;B43K8/02;(IPC1-7):B43K5/02 |
主分类号 |
B43K5/18 |
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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