Howmet Aerospace has been granted a patent for a blind fastener and its installation method. The fastener includes a sleeve and mandrel with specific design features for efficient installation. The pull region of the mandrel is designed for engagement by an installation tool, enhancing usability. GlobalData’s report on Howmet Aerospace 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 Howmet Aerospace, Selective laser solidification was a key innovation area identified from patents. Howmet Aerospace's grant share as of February 2024 was 71%. Grant share is based on the ratio of number of grants to total number of patents.

Blind fastener with sleeve and mandrel for installation

Source: United States Patent and Trademark Office (USPTO). Credit: Howmet Aerospace Inc

A recently granted patent (Publication Number: US11885358B2) discloses a blind fastener designed for secure and efficient fastening applications. The blind fastener comprises a sleeve with a cavity and a mandrel that fits into the sleeve. The mandrel features a pull region that can be engaged by an installation tool, facilitating the fastening process. The patent specifies various configurations for the pull region, including its axial length in relation to the shank region, ensuring optimal performance during installation.

Furthermore, the patent details a method for fastening using the blind fastener, involving inserting the mandrel into a structure, engaging the installation tool with the pull region, and deforming the sleeve to secure the fastener in place. The method highlights the importance of the pull region design and its role in the fastening process. Additionally, the patent emphasizes the materials suitable for the blind fastener, such as metal alloys or composite materials, making it versatile for various applications in aerospace, automotive, transportation, and construction industries. Overall, the patent provides a comprehensive guide for utilizing the blind fastener effectively in different structural settings.

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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.