Reduced weight magnetic cylinder
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United States of America Patent
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Nov 2, 2021
Grant Date -
Mar 4, 2021
app pub date -
Aug 26, 2020
filing date -
Aug 29, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A magnetizable cylinder has a cylinder body formed from a magnetizable material with an outer cylindrical surface configured to receive a flexible cutting die. The cylinder body has first and second axial ends spaced apart by the outer cylindrical surface and a hollow interior. First and second journals are joined to the cylinder body with interference fits. At least one of the first and second journals has a weep hole extending through the journal into the hollow interior of the cylinder body. The interference fit of the journals to the cylinder body result from thermal changes of at least one of the first journal, the second journal, and the cylinder body prior to joining the first journal to the cylinder body and the second journal the cylinder body.
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