Barnes Group. has been granted a patent for an injection molding tool featuring a nozzle plate and cavity plate with coaxial through-holes. The design includes a nozzle bushing that connects to the plates via an operative connection means, enhancing the tool’s functionality in melt flow applications. GlobalData’s report on Barnes Group 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 Barnes Group, Braking system fluid circuit was a key innovation area identified from patents. Barnes Group's grant share as of June 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Injection molding tool with nozzle and cavity plates
The granted patent US11992986B2 describes an innovative injection molding tool designed to enhance the efficiency and functionality of the injection molding process. The tool features a nozzle plate with a first through-hole for an injection molding nozzle and a cavity plate that includes a second coaxial through-hole. A nozzle bushing, which partially encloses the injection molding nozzle, is positioned within the second through-hole and is connected to the nozzle and cavity plates via an operative connection means. This connection can be established through a flange plate or a threaded bushing, both of which secure the nozzle bushing in place while allowing for axial movement. The design incorporates various sealing means to prevent melt leakage and ensure a secure fit, as well as features that prevent the nozzle bushing from being displaced during operation.
Additionally, the patent outlines several enhancements to the injection molding tool, including the ability for the operative connection means to slide in two orientations relative to the nozzle bushing, and the inclusion of stop surfaces to maintain the position of the nozzle bushing. The tool also integrates coolant channels and cable routing features, which contribute to its overall efficiency. The design further includes anti-rotation mechanisms to stabilize the nozzle bushing during operation. Overall, the patent presents a comprehensive solution aimed at improving the performance and reliability of injection molding tools through innovative structural and functional elements.
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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.
