Abstract: An induction heater for a cook top comprising: —a first electrically insulating sheet (1); —a second electrically insulating sheet (2); —one or more inductors (5) arranged on a same plane between the first sheet (1) and the second sheet (2), each inductor (5) comprising a single electrically conductive track defining a flat spiral coil provided with a plurality of turns (15); wherein the thickness (t) of each inductor (5) is comprised between 100 and 500 ?m; and wherein the ratio between the distance (g) between the consecutive turns (15) of each inductor (5) and the thickness (t) of each inductor (5) is lower than or equal to 1.5.

Abstract: An induction heater for a cook top comprising:—a first electrically insulating sheet (1);—a second electrically insulating sheet (2);—one or more inductors (5) arranged on a same plane between the first sheet (1) and the second sheet (2), each inductor (5) comprising a single electrically conductive track defining a flat spiral coil provided with a plurality of turns (15); wherein the thickness (t) of each inductor (5) is comprised between 100 and 500 ?m; and wherein the ratio between the distance (g) between the consecutive turns (15) of each inductor (5) and the thickness (t) of each inductor (5) is lower than or equal to 1.5.

Abstract: A countertop (1) for kitchen furniture comprising a hob (12) with at least one magnetic inductor (14) designed to be used for cooking food and located underneath at least one cooking area (16) of said hob (12), said hob (12) further comprising at least one removable protection element (18) designed to be positioned on top of said at least one cooking area (16). The hob (12) is provided with at least one safety device (20) designed to ensure correct positioning of the at least one removable protection element (18).

Abstract: An induction heater for a cook top comprising: —a first electrically insulating sheet (1); —a second electrically insulating sheet (2); —one or more inductors (5) arranged on a same plane between the first sheet (1) and the second sheet (2), each inductor (5) comprising a single electrically conductive track defining a flat spiral coil; —at least one magnetic flux concentrator (4) arranged on a plane under the second sheet (2); —a metallic heat sink plate (3) arranged under the at least one magnetic flux concentrator (4), adapted to dissipate the heat produced by the one or more inductors (5).

Abstract: A device for the induction heating of a billet of metal of high electrical conductivity has: a tubular body supporting a plurality of permanent magnets arranged inside the tubular body, angularly spaced apart from each other and arranged so as to be alternated with opposite polarities. The device also has a support for the billet that is arranged inside the tubular body and faces the magnets. The device also has a motor adapted to rotate the tubular body with respect to the billet in order to induce currents in the billet that circulate within the metal material, obtaining the heating of the billet by the Joule effect. An integral cooling system for the permanent magnets is provided, this being carried by the tubular body and suitable for feeding cooling air flows between adjacent permanent magnets.

Abstract: A device for the induction heating of a billet of metal of high electrical conductivity has: a tubular body supporting a plurality of permanent magnets arranged inside the tubular body, angularly spaced apart from each other and arranged so as to be alternated with opposite polarities. The device also has a support for the billet that is arranged inside the tubular body and faces the magnets, The device also has a motor adapted to rotate the tubular body with respect to the billet in order to induce currents in the billet that circulate within the metal material, obtaining the heating of the billet by the Joule effect. An integral cooling system for the permanent magnets is provided, this being carried by the tubular body and suitable for feeding cooling air flows between adjacent permanent magnets.