| 摘要 |
<p>Dome device comprising at least a first and a second dome-like shell formed by thermoforming, wherein the first dome-like shell and the second dome-like shell are formed with respectively a first and second dome element and with respectively a first and second peripheral flange connecting thereto, wherein the first peripheral flange of the first dome-like shell is formed with protruding first studs, wherein the first studs of the first peripheral flange form a spacer between the first and the second dome-like shells, wherein the first studs make contact with the second peripheral flange while the first dome element is located at a distance from the second dome element.</p> |
