| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To enhance cleaning effects, to shorten cleaning time, and to save cleaning liquid during cleaning in the ink chamber of a flexographic printing press. <P>SOLUTION: During cleaning of the ink chamber 20, purge air (a) is supplied from pipes 46a and 46b to the ink chamber 20, and ink (f) is recovered from an ink supply pipe 26 and an ink recovery pipe 36 in an ink can 30. Then, cleaning water (w) is supplied from the pipes 46a and 46b to the ink chamber 20, a cleaning water circulation path 44 constituted of a three-way valve 24, an ink supply port 22, the ink chamber 20, an extra ink recovery port 32, an ink recovery pipe 36, and a connection pipe 40 are formed, and the cleaning water (w) is circulated in the circulation path 44 to clean the ink chamber 20. Simultaneously, compressed air (a) is supplied from the compressed air supply pipe 424 of an air gun 42, bubbles are formed in the cleaning water (w), and cleaning effects of the ink chamber 20 are enhanced by a bubble stirring operation and a turbulent flow forming action. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
