Nipro has been granted a patent for a method of manufacturing glass products, involving heating an intermediate glass product and using a tool with a glassy carbon contact surface. The tool is designed for vial production, featuring a rotating carrier and coupling nut for effective processing. GlobalData’s report on Nipro 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 Nipro, Wearable drug delivery devices was a key innovation area identified from patents. Nipro's grant share as of July 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Method for manufacturing glass products using glassy carbon tools
The patent US12071361B2 describes a specialized tool designed for the manufacturing process of vials, particularly medical glass vials. The tool features a carrier and a coupling nut that rotate around a central axis, with a plate mounted on the carrier. This plate is equipped with a contact surface made of glassy carbon, which is intended to engage with a heated portion of the vial. The design includes specific configurations, such as the ability to press the contact surface against the closed end of the vial, and the plate's surface roughness is specified to be between 0.4 µm and 1.8 µm. Additionally, the tool allows for relative rotational speeds between 100 min-1 and 500 min-1, enhancing its operational efficiency.
Further details of the tool's construction include a convex-shaped plate and a carrier that can be threaded into the coupling nut. The tool also incorporates an air inlet and multiple air outlets, facilitating the flow of cooling air to maintain optimal temperatures during the manufacturing process. The part of the tool that includes glassy carbon is characterized by a Vickers Hardness ranging from 230 HV to 250 HV, ensuring durability and performance. The plate may consist of a graphite substrate coated with glassy carbon, providing a robust contact surface for the vial manufacturing process. These features collectively aim to improve the efficiency and effectiveness of vial production in medical applications.
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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.
