An apparatus for preventing leg neck fractures of older persons.

摘要

The invention relates to a process for the manufacture of a product such as chocolate, formed by a suspension of solid particles in a vehicle, of fatty. It also relates to a specially adapted for implementing this process and making it possible to obtain a good productivity and a good quality of the product with the investment in machinery, which are limited. / p & & p & an original aspect of the method consists in treating the product by injecting a fluid in the ground during the operation of grinding the solid particles in suspension. In the case of chocolate, in particular, it is possible to promote oxidation of the cocoa by injection of oxygen or air sterilized. For this purpose, the ball mill 2 comprises a rotary shaft 34 containing a central duct 38 and carrying arms provided with ducts 39 and with orifices 40 of the distribution of fluid. / p & & p & application to the manufacture of food products, inks and paints.