摘要 |
The invention concerns an ejector with one or several pockets, designed for centrifugal crushers with vertical axis and having a sub stantially parallelepiped shape, provided with a working surface of one or several cavities (3, 5) forming said ejector (1) pockets. The invention is characterised in that all or part of the pocket periphery consists of a composite material reinforcing structure (6) itself made of an iron and ceramic based alloy highly wear resistant and produced in situ at the ejector spinner.
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