High-rigidity adapter sleeve for printing cylinders
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United States of America Patent
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Sep 30, 2014
Grant Date -
Jun 17, 2010
app pub date -
Dec 15, 2009
filing date -
Dec 16, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
An adapter sleeve has an external layer for supporting a printing cylinder carrying data and/or images to be printed. The adapter sleeve has an internal layer defining a bore enabling the sleeve to be mounted onto a rotary mandrel of a printing machine. Each opposite extreme end of the adapter sleeve includes a rigid, load-bearing, radial spacer member disposed between the layers to provide rigidity and indeformability during the use of the sleeve with time. The inner surface of each of the extreme end radial spacer members is defined by rigid and non-deformable material of very low coefficients of dynamic and static friction.
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