DUST SEALING
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United States of America Patent
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Issued Date -
Oct 24, 2024
app pub date -
Aug 17, 2022
filing date -
Aug 17, 2022
priority date (Note) -
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Abstract
An arrangement for dust blocking in a cone crusher, a cone crusher, and a method for the dust blocking and manufacturing the cone crusher, in which a crusher head is supported by a support cone. A linear actuator vertically moves the crusher head for setting adjustment and/or tramp iron release. A lower surface of the support cone, at least in part, defines a downwards opening annular cavity. The crusher head radially movably supports a seal ring. A lip is formed for the annular cavity by the seal ring. A slip ring extends into the annular cavity beyond the seal ring and forms a counter-surface for the seal ring. The slip ring at least in part defines a pressurised gas supply channel and an entry channelling interconnecting the pressurised gas supply channel to the annular cavity.
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