Adapting sleeve with hydraulic pads for a flexographic printing machine
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United States of America Patent
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Nov 24, 2020
Grant Date -
May 16, 2019
app pub date -
Nov 12, 2018
filing date -
Nov 13, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
An adapting sleeve for flexographic printing machines defines an exterior surface appropriate for the mounting of a printing sleeve. The adapting sleeve has an outer cylindrical member made of a rigid material and surrounding an inner cylindrical member that defines a cylindrical passage for mounting of the adapting sleeve on a rotary core of a flexographic printing machine. The adapting sleeve has some ring separators that are mounted between the outer cylindrical member and the inner cylindrical member and spaced longitudinally from each other. The adapting sleeve has a hydraulic device that includes hydraulic pads arranged between the inner surface of the inner cylindrical member and the ring separators and connected by a hydraulic circuit to a pressurization element that is actionable manually from the exterior of the adapting sleeve.
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