发明名称 |
AQUEOUS GEL INK-FILLED BALL POINT PEN |
摘要 |
Provided is an aqueous gel ink-filled ball point pen having less blobbing and capable of drawing stable lines having vivid color and no uneven written intensity. The aqueous gel ink-filled ball point pen has a ball of a diameter of 0.6 to 2.0 mm at a tip point with an aqueous gel ink containing a pigment whose specific gravity is 2 or more and having a viscosity ratio (a value of (viscosity at 10 rpm)/(viscosity at 50 rpm) measured by means of an E type rotational viscometer) of 3.0 to 5.0, and an ink lay down value according to JIS Standard S6053 which is controlled to 220 to 800 mg/m.
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申请公布号 |
US2002071709(A1) |
申请公布日期 |
2002.06.13 |
申请号 |
US20010947191 |
申请日期 |
2001.09.05 |
申请人 |
MITSUBISHI PENCIL KABUSHIKI KAISHA |
发明人 |
MIYAMOTO MASARU |
分类号 |
C09D11/18;(IPC1-7):B43K7/10 |
主分类号 |
C09D11/18 |
代理机构 |
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代理人 |
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