Abstract: A coating cover with a metal structure for roofs of buildings comprises a plurality of slabs of substantially quadrilateral shape, each of which is provided with lateral edges that are parallel and opposite to one another for mutual connection between adjacent slabs in a longitudinal direction and for formation of a joint positioned between each of the adjacent slabs. The lateral edges comprise a first set of folds at least partially symmetrical on the two edges. The lateral edges also include a second set of folds on at least one of the lateral edges, and a third set of folds on at least one other lateral edge. The lateral edges comprise at least one curvature at one of the first set of folds placed horizontal and parallel to the installation base. The cover also has at least one fixing bracket that is configured to join the lateral edges.

Abstract: A cover for roofs including at least one joint having a first portion and a second portion counterposed, a first sheet, a second sheet, the first sheet including a respective first lateral edge defining a first longitudinal rib, the first lateral edge being fittingly couplable to the first portion of the joint for engaging said first rib within a first recess of the first portion. The second sheet includes a second lateral edge defining a second longitudinal rib and being fittingly couplable to the second portion of the joint for engaging the second rib within a second recess of the second portion. The second lateral edge comprises a terminal portion superimposed to the first lateral edge substantially at the centreline of the joint. The terminal portion of said second lateral edge includes an extension having the free end folded and engaged in the first rib of the first lateral edge.

Abstract: A process and an apparatus for the rapid cooling and atomization of liquid or pasty substances, in particular even relatively small amounts of liquid or pasty substances being able to be cooled and atomized economically. Both process and apparatus are particularly useful in the pharmaceutical industry for preparing injectable microparticles of polymer or lipid matrices suitable for the incorporation of active ingredients.