The unit has a pinion (15) operating by using two straight-toothed spur gears (161), and a nut (22) effecting a screwing movement along a longitudinal axis (x), while the rod (11) is moved relative to a housing. The spur gears have pinion sections with larger diameter (161a, 162a), which combines with the pinion, and interlocking corrugation sections (161b, 162b), which combine with a pinion unit ...

Many applications, in particular in the domestic sector, require bodies which have a protective layer with a high scratch resistance and thermal stability. One typical example is glass-ceramic cooking surfaces of modern cooking hobs. The invention provides a corresponding protective layer which comprises at least one hard-material layer formed from a metal oxide and/or metal nitride and/or metal c...

An apparatus for packaging a product, preferably in the form of a product in pieces, especially in the form of an edible product is described. The apparatus comprises means (110, 112) for forming the container, in which the container is configured in an erect filing condition and box- shaped container feed means (102). In the apparatus, the means (110, 112) for configuring the container in the ere...

A method for accessing a drawing of lots of the type whereby one or more accesses (S) to said drawing of lots are issued as a result of a request (R) for a service, comprising the operations of delivering said service (I) through one or more telecommunications networks (12, 14, 15, 17) to a user terminal (16, 18) and associating the issuance of one or more accesses (S) to the lot drawing to the de...

In a tank of a liquid, the liquid level is sensed by means of a level sensor (4) including an external casing (6) housing a sliding rod (12) provided with a floating body (16), first fixed electrical contacts (19) for the maximum level, second fixed electrical (20) for the minimum level, and a resiliently deformable movable contact element (24) and carried by the rod for selectively co-operating w...

A method for continuous production of extruded and/or coextruded potato and cereal flour-based snacks, including the steps of preparing a dough (D) from food flours (F) having a predetermined residual moisture, extruding the dough (D) to form one or more continuous strips (2), coupling said one or more extruded strips (2) for forming an elongate continuous semifinished product (3), extending along...