Method of manufacturing a printing cylinder
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United States of America Patent
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Aug 1, 2023
Grant Date -
Dec 24, 2020
app pub date -
Mar 5, 2019
filing date -
Mar 5, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A method of manufacturing a printing cylinder. The method comprises providing a moulding apparatus comprising a cylindrical moulding vessel defining a moulding cavity (101). The vessel comprises at least one inlet for the ingress of moulding material. The method comprises performing an injection moulding operation comprising: injecting moulding material through the at least one inlet to substantially fill the moulding cavity with moulding material; and effecting hardening of the moulding material within the vessel (102). The method comprises removing the printing cylinder (103). At least part of the injection moulding operation is performed in the presence of an active pressure being applied to the moulding cavity.
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