The Pilot Ink Co., Ltd.

Kabushiki Kaisha Fujiko

Keizo Kawaguchi

Yasutaka Shinguu

Kiyoshi Kuroyanagi

Takafusa Ando

Gengo Shinada

A tip member for a coating tool in the form of a stick, wherein the stick is formed of a bundle of resin-treated fibers substantially uniformly stretched in the longitudinal direction of the fibers. One end of the stick is tapered to the tip with the fibers being unraveled to unbind the fibers in that area. One or more longitudinal grooves may be formed in the surface of the stick.

Tip member for coating tool

A marking ink for use in marking pens is described, comprising 5 to 40% by weight of titanium dioxide surface treated with an alkaline earth metal or aluminum salt of a fatty acid having from 6 to 22 carbon atoms, 3 to 20% by weight of a resin, and a remainder of an organic solvent capable of dissolving therein the resin. The marking ink may further contain 0.5 to 30% by weight of a colorant. In this marking ink, precipitation and separation of titanium dioxide is controlled, and even if such precipitation and separation occur, titanium dioxide can be easily re-dispersed in the ink.

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Aichi, Japan

Keizo Kawaguchi