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    • 4. 发明授权
    • Transfer printing method
    • 转印方法
    • US4992129A
    • 1991-02-12
    • US144647
    • 1988-01-11
    • Hitoshi SasakiShoji Igota
    • Hitoshi SasakiShoji Igota
    • B41F16/00B41M5/382
    • B41M5/38207B41F16/00
    • A method for thermal transfer printing by heating a transfer sheet having a printing ink layer formed on a base sheet with a hot roll, wherein the base sheet comprises biaxially stretched plastic film, and, at the same time, pressing with the hot roll the transfer sheet against a substrate for printing, thereby transferring the printing ink layer to the substrate, wherein the substrate for printing is preheated prior to the pressing, and a transfer printing machine having a supplying roll axle for a roll of transfer paper urged to rotate in the rewinding direction by an urging force, a heat roll for performing heat transfer by pressing one surface of the transfer paper on which printing ink is not applied so as to cause the transfer paper to pressingly contact an object of transfer with a surface to which printing ink has been applied, and a takeup roll axle adapted for intermittently rotating and rewinding, for each rotation thereof, one pitch of the transfer paper having undergone the transfer, an improvement which comprises a pullback mechanism for partially pulling back, by utilizing the urging force, each pitch of transfer paper having been fed in one period of the transfer cycle before the next transfer cycle is started, are disclosed.
    • 一种热转印方法,其通过加热具有在热轧辊上形成在基片上的印刷油墨层的转印片,其中所述基片包括双轴拉伸的塑料膜,并且同时用热辊压印转印 从而将印刷油墨层转印到基材上,其中用于印刷的基材在压制之前是预热的,并且转印印刷机具有用于转印纸卷的供给辊轴, 通过推压力的卷绕方向的热辊,用于通过按压没有施加印刷油墨的转印纸的一个表面进行热传递的热辊,以使转印纸与印刷油墨的表面压接接触转印体 并且适用于间歇地旋转和重绕的卷取轴,对于其每次旋转,转印纸的一个间距已经经历 公开了一种改进,其包括通过利用推动力来部分拉回的拉回机构,该回拉机构在下一个转移周期开始之前的传送周期的一个周期中已经进给的转印纸的每个间距。