Abstract: A laminator device includes advancement means adapted to determine a movement in temporal continuity of a basic sheet/lamina element and of at least one additive sheet/lamina element along a processing direction and a coupling unit adapted to approach and couple the basic sheet/lamina element to the additive sheet/lamina element; the advancement means include at least one tractor device arranged downstream of the coupling unit along the processing direction and adapted to exert a tensile action on the basic sheet/lamina element and on the additive sheet/lamina element in a mutual coupling condition.

Abstract: Disclosed is a method which allows steel strip to be produced in which high hardness and good formability are combined. The following steps of operation are followed: making the steel strip from the heat-treatable steel, heating the steel strip, when coiled into the open coil, to a decarburising annealing temperature which may be up to 20° C. below the Ac1 temperature of the given heat-treatable steel and which does not exceed the Ac3 temperature of the given heat-treatable steel, annealing the steel strip, in the open coil, in a decarburising atmosphere for a decarburising annealing time of at least 90 minutes, the decarburising gas which forms the decarburising atmosphere flowing through the gaps which exist between the layers of the open coil, accelerated cooling the steel strip, the depth of decarburisation, as measured from the given surface of the steel strip, being limited to a range which is less than a quarter of the thickness of the steel strip.

Abstract: Disclosed is a method which allows steel strip to be produced in which high hardness and good formability are combined. The following steps of operation are followed. making the steel strip from the heat-treatable steel, heating the steel strip, when coiled into the open coil, to a decarburising annealing temperature which may be up to 20° C. below the Ac1 temperature of the given heat-treatable steel and which does not exceed the Ac3 temperature of the given heat-treatable steel, annealing the steel strip, in the open coil, in a decarburising atmosphere for a decarburising annealing time of at least 90 minutes, the decarburising gas which forms the decarburising atmosphere flowing through the gaps which exist between the layers of the open coil, accelerated cooling the steel strip, the depth of decarburisation, as measured from the given surface of the steel strip, being limited to a range which is less than a quarter of the thickness of the steel strip.