Abstract: A system for testing the technical applicability of intellectual property rights having a computational linguistics module, which is designed to receive chains of technical graphemes and/or digitized symbolic images of intellectual property right specifications as input information, and to mechanically transfer the input information into an information model, an ontology memory, which is designed to store taxonomies, which are linked via inference rules, of conceptual classified object types, a semiotics module, which is coupled to the computational linguistics module and the ontology memory and which is designed to instantiate semiotic signs included in the information model, which is generated by the computational linguistics module, using conceptual classified object types stored in the ontology memory, and to create a contextualized information model, a construction module, which is coupled to the semiotics module and which is designed to generate a CAD model from the contextualized information model crea

Abstract: An attrition mill comprising a grinding chamber (1), an axial impeller (10), a chamber inlet (3) for admitting coarse particles and a separator comprising a chamber outlet (6) through which fine particles exit from the chamber. The mill is characterized in that a classification as between coarse and fine particles is performed in the mill upstream of the separator.

Abstract: An apparatus for mixing pulverous solids into a liquid phase substantially consists of a gas-tight mixing vessel (10), a solids metering means (12), and a pumping means (14). Gas used for pneumatic conveyance and becoming enriched with liquid in the mixing vessel (10) is aspired by the pumping means (14) and recycled to the solids metering means (12) through a return conduit (54). At least one condenser (58, 66) is arranged in the return conduit (54) to eliminate the liquid so that the liquid contained in the gas is largely condensed off and its sticking to the solids to be metered is avoided. The operation of the apparatus and the corresponding method are to the greatest extent possible free of emissions.

Abstract: The inner wall of a grinding container (10) is made up of a plurality of ceramic rings (20; 46) which are held together by an enclsure (12). The ceramic rings (20; 46) may be made from case to case of a ceramic material, for example silicon nitride, adapted to the material to be ground and installed in the grinding container (10). They may comprise at their end faces (22, 24) interengaging profiles and/or be adhered together at their end faces (22, 24).