Flexographic printing unit

摘要: An improved flexographic type printing unit is provided in which only an ink transfer cylinder, plate cylinder and impression are needed with the immersed fountain cooperating adjustable doctor blade. Bearing traction roll drives spacing means utilized cylinders mounted on swinging arms positioned by hydraulic or pneumatic to obviate need for machined slides surfaces multiple adjustments at opposite ends of these cylinders. eccentric structure a freewheeling provides accurate web thickness adjustment unit. A second embodiment includes planetary gear drive changing registration print-to-blank print-to-print as it engages web.