Rotary lithographic printing press with ink and dampening fluid separator专利检索-图像互换格式图形技术专利检索查询-专利查询网

Rotary lithographic printing press with ink and dampening fluid separator

阅读：951发布：2020-08-17

专利汇可以提供Rotary lithographic printing press with ink and dampening fluid separator专利检索，专利查询，专利分析的服务。并且The rotary printing device for relief or offset printing a moving web comprises cylinders free of rotational imbalance, thin printing form means directly carried by the smooth, uninterrupted surface of the printing form cylinder, an inking roller in engagement with the printing form cylinder, supply means to meter an ink film of uniform thickness to the inking roller, and scrapping off means to remove the ink not taken away from the inking roller by the image areas of the printing form means. The cylinders are interchangeable for changing the format of the matter to be printed.，下面是Rotary lithographic printing press with ink and dampening fluid separator专利的具体信息内容。

权利要求

1. A rotary lithographic offset printing device for printing a moving web, comprising, in combination, a frame, a printing form cylinder rotatably mounted upon said frame, said printing form cylinder having a smooth, uninterrupted peripheral cylindrical surface, thin offset printing form means carried directly by said printing form cylinder surface, a transfer cylinder rotatably mounted upon said frame adjacent said printing form cylinder and parallel thereto and having a closed cylindrical peripheral rubber surface engaging said printing form means, said web engaging said transfer cylinder periphery, a pressure cylinder rotatably mounted upon said frame adjacent said transfer cylinder and parallel thereto and engaging said web in opposed relation with respect to engagement of said web and transfer cylinder, a dampening roller rotatably mounted upon said frame for dampening said printing form means with a dampening fluid, an inking roller rotatably mounted upon said frame engaging said printing form means, an ink fountain, ink supply means for supplying an ink film of uniform thickness to said inking roller, scraping-off means engaging said inking roller and removing the ink not taken from said inking roller by the printing form means and the dampening liquid transferred from said printing form cylinder to said inking roller, an ink and dampening fluid separator communicating with said scraping-off means, and separated ink transfer means interconnecting said ink supply means and said separator, said ink supply means including an ink layer thickness adjusting member defining a border extending parallel to the axis of said inking roller, said border being adjustably displaceable as a whole parallel to itself.

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Rotary lithographic printing press with ink and dampening fluid separator

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