Spirit AeroSystems has patented a method for manufacturing noise-attenuating devices using abrasive blasting masks. The process involves bonding a facing sheet to a cellular core and perforating it with a mask to prevent damage to the core. This innovation aims to improve noise reduction in aerospace applications. GlobalData’s report on Spirit AeroSystems 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 Spirit AeroSystems, Photovoltaic drones was a key innovation area identified from patents. Spirit AeroSystems's grant share as of February 2024 was 57%. Grant share is based on the ratio of number of grants to total number of patents.
Method for manufacturing noise-attenuating devices using abrasive blasting masks
A recently granted patent (Publication Number: US11911873B2) discloses a method for manufacturing a noise-attenuating device that involves bonding a facing sheet to a cellular core and then perforating the facing sheet using abrasive blasting. The method includes producing an abrasive blasting mask by applying a photosensitive masking material on the facing sheet and selectively exposing it to light to create images that guide the formation of holes in the facing sheet. The images are designed to avoid damaging the cellular core structure during the perforation process, ensuring the integrity of the noise-attenuating device.
Furthermore, the patent also covers a precursor for manufacturing a noise attenuating device, which includes a cellular core, an imperforated facing sheet bonded to the core, and a mask overlaying the facing sheet to prevent abrasive blasting at specific locations. The mask is created using a photosensitive masking material and images projected onto it to guide the perforation process. This innovative method allows for precise perforation of the facing sheet without compromising the structural integrity of the cellular core, resulting in an effective noise-attenuating device. The patent also includes additional steps such as pre-curing the facing sheet, applying adhesive film, and toughening the adhesive film with additives to enhance the overall quality of the manufactured device.
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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.
