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 engagement with the cap for safe opening. 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 June 2024 was 67%. 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, which defines an inner surface facing a vertical axis and an outer surface. The outer surface includes a first interface portion with a maximum diameter, while the overcap is designed to fit over the roll-on cap. It comprises its own top panel and cylindrical wall, with a second interface portion that selectively interfaces with the first interface portion. Notably, the second diameter of the second interface portion is smaller than the first diameter, and a biasing element is included to maintain a distance between the two interface portions.
Further claims detail the structural features of the closure, such as the inclusion of protrusions on the first interface portion, which extend radially and parallel to the vertical axis. The overcap is designed with a ledge that secures it to the roll-on cap by interfacing with the protrusions. Additionally, the overcap consists of an outer and inner portion, which may be made from different materials, and both portions have central areas that align with the vertical axis. The design allows for the overcap to rotate independently until the second interface portion engages with the first, ensuring a secure closure while providing ease of use. This innovative closure system aims to improve the functionality and reliability of container sealing mechanisms.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
