发明名称 |
Flexographic printing roll and means for assembling same |
摘要 |
A flexographic printing roll comprising a rigid base tube having perforations in the form of a plurality of small apertures and a circumferentially stretchable, elastomeric, seamless printing sleeve on said tube strained to grip the tube to retain the sleeve securely on the tube; in which there is provided means on the tube to aid the sliding of the sleeve on the tube. The said means may comprise a circumferential seal which can be pressurized to press on the sleeve and expand it. The said means may comprise an expandable metal segment seal. The said means may comprise a tapering sleeve through which means are provided for applying reducing pressures at points along the surface of the tapering sleeve.
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申请公布号 |
US4089265(A) |
申请公布日期 |
1978.05.16 |
申请号 |
US19760716222 |
申请日期 |
1976.08.20 |
申请人 |
BUCKLEY M A ENGRAVING LTD |
发明人 |
WHITE, WILLIAM PAUL;LEWIS, MICHAEL WILLIAM JAMES |
分类号 |
B41F13/10;B41C1/18;B41F27/00;B41F27/10;B41F31/26;(IPC1-7):B41F27/00 |
主分类号 |
B41F13/10 |
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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