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 that can be positioned in closed or open configurations, with specific blocks and springs to control forces during the moulding process. 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 March 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 unique mould designed for producing closures 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 multiple blocks and springs that apply opening and closing forces along the moulding orientation, ensuring proper functionality during the manufacturing process.

Furthermore, the mould incorporates cooling circuits for both the male and female die elements, with a recirculation duct traversing the blocks to efficiently cool the components. The male die element features an annular body with a slide cavity and a central block for molding and releasing the closures. Additionally, a pressurizing duct is connected to the slide cavity to aid in the extraction process. The design also includes specific features such as toothed bush, receiving bush, and communication passages for the passage of air and/or water, enhancing the overall functionality of the mould for producing high-quality closures efficiently.

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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.