- 专利标题： PRINTING PLATE CYLINDER, PRINTING APPARATUS, AND METHOD FOR PRODUCING PRINTING PLATE CYLINDER
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申请号： EP09715608.7申请日： 2009-02-26
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公开(公告)号： EP2246191B1公开(公告)日： 2018-08-15
- 发明人: HASHIMOTO, Hiroaki , KUMASAKI, Kenji
- 申请人： Universal Can Corporation
- 申请人地址： Sumitomofudosan-Korakuen Building 4-1, Koishikawa 1-chome Bunkyo-ku Tokyo 112-8525 JP
- 专利权人： Universal Can Corporation
- 当前专利权人： Universal Can Corporation
- 当前专利权人地址： Sumitomofudosan-Korakuen Building 4-1, Koishikawa 1-chome Bunkyo-ku Tokyo 112-8525 JP
- 代理机构： Hoffmann Eitle
- 优先权： JP2008047583 20080228; JP2008088332 20080328; JP2008300831 20081126; JP2009021936 20090202
- 国际公布： WO2009107706 20090903
- 主分类号： B41F13/10
- IPC分类号： B41F13/10 ; B41F7/02 ; B41F33/00 ; B41F13/22
摘要：
Provided is a printing plate cylinder to which a sleeve printing plate is detachably attached. In the printing plate cylinder, weight reduction and radiation performance can be improved, and generation of rust can be suppressed. The printing plate cylinder (1) includes a shaft portion (3) rotatable about a central axis (O), a tubular portion (5) formed cylindrically, arranged coaxially with the shaft portion (3), and arranged at a distance from an outer circumferential surface (3a) of the shaft portion (3), and a rib (7) fixed integrally to the outer circumferential surface (3a) of the shaft portion (3) and an inner circumferential surface (5b) of the tubular portion (5) and connecting the shaft portion (3) and the tubular portion (5). An air supply channel (31) is formed so as to penetrate from the outer surface of the rib (7) exposed to the outside to the outer circumferential surface (5a) of the tubular portion (5).
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