EJECTOR WITH ONE OR SEVERAL POCKETS

摘要

The invention concerns an ejector with one or several pockets, designed for centrifugal crushers with vertical axis and having a substantially 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.