发明名称 Color ink ribbon for thermal printer
摘要 In a color ink ribbon for use with a thermal printer, including a base, a plurality of ink layers having different colors formed on the base and arranged at intervals in a longitudinal direction of the base, and a plurality of markers for detecting the colors of the ink layers, each marker being formed on the base and arranged just upstream of each corresponding ink layer in a moving direction of the color ink ribbon in longitudinally spaced relationship to the adjacent ink layers, the improvement comprising a base covering layer for entirely covering an upper surface of the base in such a manner that the base covering layer is interposed between the base and the ink layers as well as the markers, the base covering layer having a coefficient of friction not less than that of said ink layers. In another aspect, the improvement comprising an overcoat layer for covering the ink layers, the markers and an exposed upper surface of the base, the overcoat layer having a coefficient of friction not less than that of the ink layers.
申请公布号 US4925324(A) 申请公布日期 1990.05.15
申请号 US19880239149 申请日期 1988.08.30
申请人 ALPS ELECTRIC CO., LTD. 发明人 ICHISAWA, TOSHINORI
分类号 B41J35/18;B41M5/34 主分类号 B41J35/18
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