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Source: https://electrek.co/2023/01/23/tesla-cybertruck-novel-windshield-patent/
Tesla has filed new patent to manufacture glass that can be manipulated to create novel bends, shapes and curves that can't be achieved with current glass production methods.
In the patent application, Tesla describes issues with current [windshield production] methods:
Patent images using the Cybertruck as examples.
Tesla has filed new patent to manufacture glass that can be manipulated to create novel bends, shapes and curves that can't be achieved with current glass production methods.
In the patent application, Tesla describes issues with current [windshield production] methods:
The new manufacturing tech is described as capable shorter radiuses of curvature:Generally, such processes for making glass structures are limited by the amount of curvature or bending achievable with the glass. For example, typically only smooth, high radius of curvatures (e.g., radius of curvature of 1-3 meters or more), are used for automotive glass structures.
Some images from the patent application:In some embodiments, a process for forming an automotive glass structure having one or more feature lines (or curves/bends) includes applying localized heat to one or more locations of the glass structure, whereby the glass structure bends at the location of the localized heat. In some examples, the glass structure is supported by a support tool such that as localized heat is applied gravity forces the glass structure to bend at the one or more locations (e.g., along a longitudinal line of the glass), thereby forming a feature line or bend in the glass. In some examples, additional forces may be applied to the glass structure, e.g., via a press, vacuum air suction, or the like to aid in bending or shaping of the glass structure. In some examples, a radius of curvature of the feature line or bend in the glass structure at the one or more locations is between 2 mm and 5 cm.
Patent images using the Cybertruck as examples.
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