| 摘要 |
<p>The ink to be impregnated into the figure portion 6 of the processed stamp plate 10 in the stamp device 11 is formed of polyoxyethylene-alkyl-phenyl ether and oil soluble dye melted therein and regulated to have the viscosity in a range of 300 - 2000 cps, more preferably, 500 - 1500 cps. This stamp device 11 can thus extremely improve all of stamping characteristics, i.e., stamping durability, ink spreading condition, ink seeping condition, ink permeation speed, and the number of trial stamping times. <IMAGE></p> |
