Multi-layer, expandable sleeve for a printing press cylinder, particularly for flexographic printing
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United States of America Patent
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Jan 12, 2016
Grant Date -
May 7, 2015
app pub date -
Jan 8, 2015
filing date -
Sep 24, 2010
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Abstract
A multi-layer, expandable sleeve (100) for a printing press cylinder and a method of manufacturing this expandable sleeve are provided. The sleeve has an inner layer (110) with a hard surface inner jacket (112), which defines a longitudinal axis (A) and the cavity for mounting on the cylinder, and an outer layer (130) with a cylindrical outer jacket (132) for carrying an outer shell, a printing plate or a separate outer sleeve, in particular. An intermediate layer (120), manufactured in the form of a lightweight honeycomb having honeycomb cells oriented radially (B) to the longitudinal axis (A), is provided between the inner jacket (112) and the outer jacket (132). The intermediate layer (120) includes at least one honeycomb layer (122-1, 122-2, 122-3, 122-4, 122-5) of fiber composite honeycomb consisting of fiber material embedded in a resin matrix that has been applied coaxially around the longitudinal axis (A).
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