Silgan. has been granted a patent for a child-resistant closure design featuring a roll-on cap and an overcap. The overcap’s biasing element allows it to rotate independently until pressed, enabling secure operation while preventing unintended access, enhancing safety for users. GlobalData’s report on Silgan 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 Silgan, Magnetic lids was a key innovation area identified from patents. Silgan's grant share as of July 2024 was 68%. Grant share is based on the ratio of number of grants to total number of patents.
Child-resistant closure with overcap and biasing element
The patent US12012261B2 describes a novel closure system that includes a roll-on cap and an overcap designed to enhance the sealing and usability of containers. The roll-on cap features a top panel and a cylindrical wall, with an outer surface that defines a first interface portion. This interface portion has a maximum diameter and is designed to interact with the overcap, which also has a top panel and a cylindrical wall. The overcap's inner surface defines a second interface portion that is configured to selectively engage with the first interface portion, with its diameter being smaller than that of the first. Additionally, a biasing element is incorporated to maintain a distance between the two interface portions, ensuring a secure fit.
Further claims detail the structural features of both the cap and overcap, including the use of materials such as aluminum, the presence of protrusions on the first interface portion, and the design of a ledge on the overcap that secures it to the roll-on cap. The overcap is described as having an outer and inner portion, which may be made from different materials, and both portions include central areas through which a vertical axis extends. The closure system is designed to allow the overcap to rotate independently until the second interface portion engages with the first, facilitating ease of use while maintaining a secure seal for the 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.
