Huhtamaki has filed a patent for a multi-walled container design with a deep recessed bottom end construction. The container includes an inner receptacle with a unique taper angle on the sidewall and an outer sleeve with a second bottom wall. The design aims to provide stability and strength to the container. GlobalData’s report on Huhtamaki 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 Huhtamaki, Magnetic lids was a key innovation area identified from patents. Huhtamaki's grant share as of January 2024 was 52%. Grant share is based on the ratio of number of grants to total number of patents.

Multi-walled container with deep recessed bottom construction

Source: United States Patent and Trademark Office (USPTO). Credit: Huhtamaki Oyj

A multi-walled container patent application (Publication Number: US20230382589A1) describes a unique design comprising an inner receptacle with a sidewall, uppermost and lowermost edges, and a first bottom wall. The sidewall features different taper angles at the upper and lower ends. An outer sleeve partially surrounds the inner receptacle, with a second bottom wall attached to its lower end. The lowermost edge of the receptacle sidewall is in contact with the inner surface of the outer sleeve, ensuring structural integrity and stability. The design allows for a circumferential gap between the inner receptacle sidewall and the outer sleeve, maintaining uniformity along the upper portion of the inner receptacle sidewall.

Furthermore, the patent application includes a method for forming the multi-walled container, involving obtaining the inner receptacle with specific taper angles, obtaining the outer sleeve with a second bottom wall, and combining the two components to ensure contact between the lower end of the receptacle sidewall and the inner surface of the outer sleeve. The method emphasizes the importance of maintaining contact between the components for structural stability. Additionally, the method includes attaching a downwardly depending annular skirt of the second bottom wall to the inner surface of the outer sleeve, further enhancing the container's structural integrity. Overall, the patent application highlights a novel design and method for creating a multi-walled container with specific taper angles and contact points to improve functionality and stability.

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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.