发明名称 WRITING IMPLEMENT
摘要 <p>A writing implement has a peculiarity such that the external appearance does not match with the feeling of use, and is capable of retaining the peculiarity of external appearance for a long time. The writing implement comprises a cylindrical shaft member (80), a nib member (10) fixed to one end of the shaft member (80) and adapted to exude colored ink from the tip, an ink liquid (31) stored in the shaft member (80) and constituting a part of the colored ink that exudes from the tip of the nib member (10), a coloring agent (20) added to the ink liquid (31) to form colored ink, wherein of the cylindrical side surface of the shaft member (80), at least a portion where the ink liquid (31) is stored is made transparent. Installed between the ink liquid (31) and the coloring agent storing section storing the coloring agent (20) is a coloring agent adsorbing core (41) that guides the ink liquid (31) to a coloring agent storage while arresting the coloring agent (20) dispersing toward the storage for the ink liquid (31).</p>
申请公布号 WO2003018328(P1) 申请公布日期 2003.03.06
申请号 JP2002008521 申请日期 2002.08.23
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