Sacmi Imola S.C. has been granted a patent for a mould designed for producing closures with tear-off membranes in compression moulding machines. The innovative design includes a male die element and a female die element with specific components and springs to ensure precise operation in both closed and open configurations. GlobalData’s report on Sacmi Imola S.C. 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 Sacmi Imola S.C., Extrusion-based additive manufacturing was a key innovation area identified from patents. Sacmi Imola S.C.'s grant share as of February 2024 was 47%. Grant share is based on the ratio of number of grants to total number of patents.

Mould for production of closures with tear-off membrane

Source: United States Patent and Trademark Office (USPTO). Credit: Sacmi Imola S.C.

A recently granted patent (Publication Number: US11904511B2) discloses a mould designed for producing closures made of plastic material with a tear-off membrane in a compression moulding machine. The mould consists of a male die element and a female die element that can be positioned in a closed configuration where they are in contact or an open configuration where they are spaced apart. The female die element includes three blocks aligned along the moulding orientation, with springs interposed between them to apply opening and closing forces. Additionally, the mould features cooling circuits for both the male and female die elements, with a recirculation duct traversing the blocks of the female die element.

Furthermore, the patented mould includes a male die element with an annular body defining a slide cavity and a central block movable within the cavity for moulding and releasing positions. The male die element also incorporates a pressurizing duct to inject air into the slide cavity for facilitating closure extraction. The design of the male die element includes a toothed bush, a receiving bush, and communication passages for the passage of air and/or water. Additionally, an outer bush movable relative to the annular body along the moulding orientation is part of the male die element. Overall, the patented mould offers a comprehensive solution for efficiently producing closures with tear-off membranes in a compression moulding machine, incorporating innovative features for enhanced functionality and performance.

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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.