Howmet Aerospace has been granted a patent for self-forming thread blind fasteners and methods for fastening. The fastener includes a sleeve and a pin, with the pin forming threads on the inner wall of the sleeve when rotated, allowing for secure fastening. 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 April 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.
Self-forming thread blind fastener with sleeve and pin
A recently granted patent (Publication Number: US11959504B2) discloses a self-forming thread blind fastener designed to securely join components in various industries such as aerospace, automotive, transportation, and building and construction. The fastener comprises a sleeve with an inner wall defining a bore and a pin with a threaded portion configured to form threads on the inner wall. The design allows for axial compression and deformation of the sleeve to create a secure connection between the components. Additionally, the fastener includes features such as a sleeve head portion to prevent over-insertion, a driving portion for torque application, and a locking component to inhibit rotation during installation.
The patent also outlines a method for fastening using the self-forming thread blind fastener, involving inserting the sleeve into a bore, forcibly contacting the threaded portion of the pin with the inner wall to form threads, and deforming the sleeve to create a bulb shape. The method emphasizes the rotational movement of the pin to facilitate the thread formation and the potential use of a breakneck portion on the pin for controlled fracture upon installation completion. This innovative fastening solution offers a reliable and efficient way to securely join components in various applications, ensuring structural integrity and longevity in the assembled parts.
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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.
