Sacmi Imola S.C. has filed a patent for a male element of a mould for compression moulding of a parison. The element includes a die and a ducting system for cooling fluid flow. The die comprises a body and a liner, with the ducting system formed between them. 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 January 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.

Cooling system for compression moulding male element

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

The patent application (Publication Number: US20240017450A1) describes a male element of a mold for compression molding a parison from a thermoplastic material charge. The male element, when combined with a female element, forms a cavity for shaping the parison. It includes a die with a ducting system for cooling fluid flow, where the die consists of a body with an outer surface and a liner with an inner surface in contact with the body. The ducting system is formed between the body and the liner, with the outer surface of the body grooved to create a hollowed surface that, along with the liner, delimits the ducting system. The ducting system can have multiple grooves and support zones on the body's outer surface, defining a helix for cooling fluid circulation.

Furthermore, the patent application details the configuration of the male element, including a retractable die for forming and stretching the parison, a stretching rod for parison stretching, and a delivery and return duct system for cooling fluid circulation. The male element can be part of a mold with a female element for parison formation and a blow molding cavity for container formation. The mold can switch between forming and stretching configurations based on the male element's association with the female element or the blow molding cavity. The method described involves receiving a thermoplastic material charge in the mold, forming the parison in the cavity using the male and female elements, and circulating cooling fluid through the ducting system. The cooling fluid flows through delivery and return ducts with multiple passages for efficient cooling during the compression molding process.

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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.