| 摘要 |
A polar element for a permanent magnet, includes at least one permanent magnet; a case structure, inside which the permanent magnet is placed; a fitting element adapted to be coupled to the case structure to seal the permanent magnet inside a sealed case formed by the case structure and the fitting element; and filling material inside the case for coupling the permanent magnet to the case structure and/or to the fitting element. Either the case structure or the fitting element is made of ferromagnetic material, the other one being made of non-magnetic material. Mechanically bendable flanges or protruding parts are formed in the case structure and/or the fitting element, and corresponding surfaces are respectively formed in the fitting element and/or the case structure, substantially opposing the flanges or protruding parts such that the flanges or protruding parts are bendable to the corresponding surfaces.
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