Invention Grant
- Patent Title: Manufacturing method and manufacturing apparatus of support for planographic printing plate
- Patent Title (中): 平版印刷版支撑的制造方法和制造装置
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Application No.: US13661623Application Date: 2012-10-26
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Publication No.: US09573404B2Publication Date: 2017-02-21
- Inventor: Yuichi Kasuya , Hisashi Hotta
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2011-237636 20111028; JP2011-237637 20111028; JP2012-016925 20120130; JP2012-020806 20120202
- Main IPC: C25D21/12
- IPC: C25D21/12 ; C25D11/16 ; B41N3/03 ; C25F3/04 ; C23G1/22 ; C23G1/36 ; C23G3/02 ; C25D11/08 ; C25D21/06 ; C25D21/18 ; C25D11/00
Abstract:
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.
Public/Granted literature
- US20130105327A1 MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF SUPPORT FOR PLANOGRAPHIC PRINTING PLATE Public/Granted day:2013-05-02
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