O-I Glass. has been granted a patent for a pressure relief blow out plug designed for glass containers. The invention includes a method for sealing a pressure relief passage in the container’s base, featuring a dual-flange plug that ensures an axial seal and incorporates vent gaps for pressure management. 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 June 2024 was 74%. Grant share is based on the ratio of number of grants to total number of patents.
Pressure relief blow out plugs for glass containers
The patent US11975904B2 outlines a method for utilizing a glass container equipped with a pressure relief mechanism. The container features a base and a body, with the base containing a wall that has both an interior and exterior surface. A pressure relief passage is defined within this wall, allowing for the insertion of a pressure relief blow out plug. This plug consists of a plug body, two inboard flanges, and a stem, designed to create an axial seal against the interior surface of the wall. The design includes features such as vent gaps in the second inboard flange and the option for the pressure relief passage to be tapered, reverse tapered, or straight cylindrical.
Additionally, the method includes steps for introducing a liquid into the container after the plug is inserted and applying internal pressure. The pressure relief blow out plug is engineered to maintain a seal until a predetermined pressure threshold is reached, at which point it can be displaced to allow for pressure release. The container may also feature a shoulder and neck leading to an open mouth, enhancing its usability. The claims emphasize the structural integrity and functionality of the pressure relief system, which is crucial for safely managing internal pressures within the glass container.
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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.
