| 摘要 |
The mechanism of fountain pen for use of various colors, which is composed of many colored water-soluble solutes(powdered dyes) and solvent (water) with separating supply within the pen unit is described. The fountain pen comprises a main body(2) with a general pen point(1), a mixing chamber(16), a holded piston(4) which incorporates a rotatable member(5) by a groove(6), three cases(6') for water-soluble solute, and a declined rear body(10). The rear body(10) having a spoon(p) and an injection hold(12') at the bottom and pump chambers(11') which connects with the injection hole(12') by a discharge hole(12) at the upper portion is mounted on the main body(2).
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