Heating device, its use and kit

Device according to any one of the preceding claims, wherein the alloy contains less than 1% by weight of:

• one or more rare-earth elements, wherein the rare-earth elements are identified according to IUPAC definition, or an oxide thereof, or else
• MishMetal, in its turn composed of cerium 50%, lanthanum 25% and a little percentage of neodymium and praseodymium;
• non-metals, such as carbon, and/or semimetals, such as silicon.

Device according to any one of the preceding claims, wherein:

• the content by weight of the first metal or first mixture of metals, with respect to the alloy total, is between 95% and 99.99%, and
• the content by weight of the second metal or second mixture of metals, with respect to the alloy total, is between 0.01% and 5%, preferably between 0.01% and 2%.

Device according to any one of the preceding claims, wherein:

• the first metal is one among gold, silver, copper, aluminium, platinum, boron, or wherein the first mixture is a mixture of two or more among gold, silver, copper, aluminium, platinum, boron, and
• the second metal is one among nickel, iron, cobalt, and the second mixture is of two or more among nickel, iron, cobalt.

Device according to any one of the preceding claims, wherein:

• the titanium content in the alloy, if present, is lower than 0.5% by weight to the total weight, and is preferably in the range 0.1%-0.2%;
• the boron content in the alloy, if present, is lower than 0.5% by weight to the total weight, and is preferably in the range 0.1%-0.2%;
• the iron content in the alloy, if present, is lower than 3% by weight to the total weight, and is preferably in the range 0.01%-3%.

Device according to any one of the preceding claims, wherein the induction element (11) comprises a first conductive element (14) of which at least part has spiral shape.

Device according to any one of the preceding claims, wherein the first dielectric element (12) has thickness from 1 μm to 10 cm.

Device according to any one of the preceding claims, wherein the first dielectric element (12) is wound round or winds the induction element (11).

Device according to any one of the preceding claims, further comprising:

• a second dielectric element (31) placed on the induction element (11) at the side opposite to the first dielectric element (12).

Device according to any one of the preceding claims, further comprising:

• a third dielectric element (41) placed on the induced element (13) at the side opposite to the first dielectric element (12).

Device according to any one of the preceding claims, wherein the first dielectric element (12) and/or the second dielectric element (31) and/or the third dielectric element (41) comprise/s one or more building materials or materials suitable for food or clothes or industrial processes, for example plastic material, polymers, resin, glass, ceramic, wood, conglomerate of powdered oxides, stone.

Device according to any one of the preceding claims, wherein the induced element (13B) comprises an embossing.

Device according to any one of the preceding claims, wherein the induced element (13B) has previously undergone an anodizing process.

Device according to any one of the preceding claims, wherein the induced element (13C, 13D, 13E, 13F, 13G) comprises a plurality of foils (53C, 53D, 53E, 53G, 53R).

Device according to any one of the preceding claims, wherein at least the induced element or the induced, dielectric and induction elements comprises a convex or concave surface.

Device according to any one of the preceding claims wherein, alternatively to the metal alloy, the induced element (13) comprises an alloy of material with metallic behavior, for example electrically conductive engineering plastics.

Device according to any one of the preceding claims, wherein the induction element (11) is at least partially spiral shaped, is covered with a dielectric sheath or else is shielded with dielectric material, and wherein such a spiral passes through the induced element (13) so that two parts of the spiral are at the opposite sides of the induced element (13).

Use of a device according to any one of the preceding claims for room heating.