| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ink supplying vessel for a writing implement inside which an ink-repellent layer excellent in close adhesion can be provided by a relatively inexpensive and easy method, without using any specific device, and which enables instantaneous visual confirmation of the residual quantity of ink over a long time, in regard to the ink supplying vessel for the writing implement of a type storing the ink directly and enabling visual confirmation of the residual quantity of the ink from an outward appearance. <P>SOLUTION: The ink supplying vessel is provided for supplying the writing implement with the ink having a viscosity of 1-20 mPa s (25°C) and the vessel is wholly or partially constituted of a transparent or translucent material and is of the type storing the ink directly. As to an ink storage part of the vessel, a thermoplastic resin containing 0.01-10 mass% of a polymer surfactant having in a molecule at least one kind of hydrophilic group selected out of a carboxyl group and a sulfonic group is used as a constituent material of the vessel, and the ink-repellent layer constituted of a fluoroplastic having a perfluoroalkyl group is provided inside the ink storage part. <P>COPYRIGHT: (C)2007,JPO&INPIT |
