O-I Glass. has been granted a patent for a method of creating three-dimensional features on glass containers using UV-curable materials. The process involves applying and curing two layers of UV-curable material to form distinct 3D features, with the intervening area having a smaller circumference. GlobalData’s report on O-I Glass gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on O-I Glass, Extrusion-based additive manufacturing was a key innovation area identified from patents. O-I Glass's grant share as of July 2024 was 75%. Grant share is based on the ratio of number of grants to total number of patents.
Method for printing 3d features on glass containers
The granted patent US12065375B2 outlines a method for printing three-dimensional (3D) features on glass containers using UV-curable materials. The process begins with the application of a first layer of UV-curable material around the circumference of the glass container, which is then cured using UV light to create a first 3D feature. A second layer of UV-curable material is applied, spaced apart from the first feature, and similarly cured to form a second 3D feature. Notably, the method allows for variations in the circumference of the glass container between the two features, which can be less than that of the features themselves. The application of these layers is guided by assigned grayscale values, which correspond to the amount and height of the UV-curable material applied.
Further claims in the patent detail the possibility of adding multiple layers of UV-curable material to enhance the 3D features, with the option for the container body to be radially recessed and free of UV-curable material. The method also specifies that the UV-curable material can be applied using a digital inkjet printer, and may include varnish. The grayscale values play a crucial role in determining the thickness of the applied material, allowing for a nuanced approach to creating varying heights in the 3D features. Additionally, the patent mentions the potential for flame treating the glass surface prior to the application of the UV-curable materials, which may improve adhesion and overall quality of the printed features.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
