A buoyancy device (1) comprises a support structure 2, 4 which can be connected to an underwater application (3) and one or more buoyancy spheres (4) having a specific weight of less than 500 kg/m3 connected to the support structure (2) and having a light metal spherical shell (5) defining a spherical inner volume (6) and which has an outer diameter (d) greater than 0.5cm, and a radial thickness (t) greater than 0.08mm, wherein the spherical shell (5) is obtained in one piece in nano-crystalline metal with an average grain size of less than 1000 nanometers.
BUOYANCY DEVICE FOR VERY DEEP WATER AND PRODUCTION METHOD THEREOF
2018-01-25
Patent
Electronic Resource
English
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