Avon Protection has been granted a patent for a speech diaphragm module featuring a body, a lid, and a resilient film secured with a solid state weld joint. The design includes a tensioning feature that enhances tension across the film, improving its functionality in applications such as respirators. GlobalData’s report on Avon Protection 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 Avon Protection, Plastic recycling was a key innovation area identified from patents. Avon Protection's grant share as of June 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
Speech diaphragm module with adjustable tension for respirators
The granted patent US12042675B2 introduces a speech diaphragm module designed to enhance sound production through a unique construction and tensioning mechanism. The module consists of a body and a lid that create an enclosed volume, housing a resilient film. This film is secured at its periphery via a solid-state weld joint, which applies an initial tension. A tensioning feature, such as a protruding rib on the lid's underside, is incorporated to displace a portion of the resilient film, thereby increasing the tension beyond the initial level. The design includes a cylindrical housing, with the rib positioned radially inward of the attachment joint, ensuring effective engagement with the film.
Additionally, the patent outlines a method for manufacturing the speech diaphragm module, which involves mounting the resilient film over a cup-shaped body, welding it to create the initial tension, and then securing the lid to enclose the volume. The method specifies the use of ultrasonic torsional welding for the attachment joints and emphasizes the importance of the tensioning feature in achieving the desired sound quality. The patent also describes a kit of parts that includes the necessary components for assembling the speech diaphragm module, ensuring that the resilient film can be properly tensioned to optimize performance. This innovative approach aims to improve the functionality and efficiency of speech diaphragm modules in various 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.
