Sonoco Products has been granted a patent for a container design with a paper-based sidewall and a liner ply for easy removal of the base. The innovative design includes a circumferential score line for easy tearing. GlobalData’s report on Sonoco Products 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 Sonoco Products, Magnetic lids was a key innovation area identified from patents. Sonoco Products's grant share as of May 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Container with paper-based sidewall, score line, and liner ply
A recently granted patent (Publication Number: US11999530B2) discloses a unique container design that includes a base and at least one paper-based sidewall with a score line near the base. This score line allows for easy removal of the base from the sidewall, facilitating recycling. The container also features a liner ply adhered to the interior surface of the sidewall, which separates upon removal of the base, aiding in the recycling process. The liner ply is made of a polymeric material with barrier properties and is held in place by a releasable adhesive, ensuring its intact removal post-separation.
Furthermore, the patent details various configurations and materials used in the container, such as composite materials for the sidewall, rigid construction, and spiral-wound paperboard. The score line can be a fully circumferential perforation or a continuous cut line that does not penetrate the entire thickness of the sidewall. The distance between the score line and the base is specified, and additional features like a second score line near the top end of the sidewall are also included. The liner ply, crucial for maintaining the container's integrity during use and recycling, remains intact even after the base is removed, showcasing the innovative and sustainable design of the container. Additionally, a method for recycling the container is outlined, emphasizing the ease of disassembly and separation of materials for efficient recycling processes.
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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.
