A mechanical cooling pump (1) for an internal combustion engine of a motorised vehicle comprising an electromagnet operated coupling unit housed in the main compartment (4b) of the pump body (2).

The apparatus has an electromotor (M) for operating a pump (5) that pressurizes oil sucked from a tank (S) in a cylinder (2c). A return flow valve (4) controls a return part (1a) of a working tool i.e. cutting head (1), and a return spring drives the return part. Force acting at the head or current consumption of the electromotor is increased by a pressurized probe (3), a force cell and/or a power...

A perfected process for the production of expanded plastic materials, comprising a hot moulding phase of a starting polymeric blend inside a mould, wherein the heating of said blend is effected by making the same a heat source, by triggering an exothermic reaction in its interior. With respect to the known art in the field, the process of the invention allows an improvement in the heating of the p...