USO DI UN PROCESSO DI TRATTAMENTO SU MACINE PER CAFFE' E MACINE COSI' TRATTATE

摘要

The present invention essentially relates to the use of a treatment process on coffee mills; said process comprises a gas-quenching step typically preceded by a low-pressure case-hardening step; this considerably improves the quality of coffee mills and of the coffee powder obtained therefrom.