发明名称 |
MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF SUPPORT FOR PLANOGRAPHIC PRINTING PLATE |
摘要 |
A manufacturing method of a support for a planographic printing plate including at least an alkaline etching step of dissolving an aluminum surface layer of an aluminum web with an alkaline solution during a surface roughening treatment on a surface of the aluminum web continuously traveling, the manufacturing method comprising: a circulating step of cyclically using the alkaline solution between a treatment tank for the etching and an alkaline solution reservoir during adjusting composition concentration of the alkaline solution; and a filtering step of filtering the alkaline solution cyclically used so as to remove solid matter in the alkaline solution. |
申请公布号 |
US2013105327(A1) |
申请公布日期 |
2013.05.02 |
申请号 |
US201213661623 |
申请日期 |
2012.10.26 |
申请人 |
FUJIFILM CORPORATION;FUJIFILM CORPORATION |
发明人 |
KASUYA YUICHI;HOTTA HISASHI |
分类号 |
C25F7/02;B23H5/06;C25D11/16;C25D17/00;C25D21/12;C25F3/04 |
主分类号 |
C25F7/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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