Dewar device comprising a transparent external element
AssigneeOmega SA
InventorChristiane Gimkiewicz
Life of this patent
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Abstract
A Dewar device (1) for mechanical and/or functional components (2) of a watch (3), the device (1) being provided with a bracelet and a casing (4) including an enclosure (5) in which a case (6) of the watch (3) is capable of being arranged and at least one fastening device (7) fastening the case (6) of the watch (3) inside the enclosure (5) of the casing (4) while keeping it away from the set of elements (10a, 10b, 10c) of the casing (4) defining this enclosure (5), the set (10a, 10b, 10c) including at least one transparent external element (10a) made of a transparent ceramic material, in particular a transparent polycrystalline ceramic material.
Claims13
A dewar device for mechanical and/or functional components of a watch, said device being provided with a bracelet and a casing including an enclosure in which a case of said watch is capable of being arranged and at least one fastening device fastening said case of the watch inside said enclosure of the casing while keeping said case away from a set of elements of the casing defining the enclosure, said set comprising at least one transparent external element made of a transparent polycrystalline ceramic material, and
- said device further comprising an interferometric filter arranged on an overall external face of the casing.
Dependencies are inferred from the claim text.