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Geomag is a magnetic construction toy. The original toy comprised a bars with a magnet on each end (neodymium alloy) all attached by a magnetic plug (coated with polypropylene), and nickel-coated metal spheres. Magnetic forces hold the bars and spheres together, creating the possibility for many constructions. Invented and patented by Claudio Vincetelli in May 1998, production is currently undertaken by Geomagworld SA at the production facilities in Novazzano, Switzerland. Product lines have been added to the original model (now called Geomag PRO), growing the Geomag range of construction toys. Since the introduction of the 2009/48/EC law on the 20th of July 2013 restricted the content of nickel in toys, Geomag has re-modelled the spheres with a bronze alloy coating, in order to comply with the new regulations. ==Invention== In May 1998, Claudio Vicentelli, experienced in technical applications of permanent magnets and the creator of the (first (1st) product deposited for the magnetic circuit ), and the brand name "GEOMAG" (which has developed the characters in the logo with chained circles). The patent defines a particular circuit obtained by the coupling of bars, of which each consists of two magnets at the ends and are connected with a metal pin and metallic spheres. This structure guarantees high performance using the minimum amount of magnetic material, which is very expensive. In August of the same year Vincelli grants the license to market and manufacture the products worldwide to the Italian company, Plastwood S.r.l. During this time Vicentelli perfected the technology of the construction game, ensuring the constant centesimal tolerances of the magnetic bars. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Geomag」の詳細全文を読む スポンサード リンク
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