Desktop Metal. has filed a patent for a method of de-powdering green parts manufactured through binder jetting additive manufacturing. The process involves bulk de-powdering followed by fine de-powdering using shot brush de-powdering media to remove build material powder from the surface. GlobalData’s report on Desktop Metal 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 Desktop Metal, Additive manufacturing monitoring sensors was a key innovation area identified from patents. Desktop Metal's grant share as of January 2024 was 39%. Grant share is based on the ratio of number of grants to total number of patents.
De-powdering green parts in additive manufacturing using shot brush media
The patent application (Publication Number: US20230415237A1) describes a method and system for de-powdering additively manufactured green parts contaminated with build material powder. The method involves moving shot brush de-powdering media against the contaminated surface of the green part to dislodge the powder. Various movements of the de-powdering media, such as submerging, agitating, or subjecting to gravity or gas flow, are detailed in the claims to effectively remove the build material powder. Additionally, the method includes steps to adjust humidity levels in the de-powdering area during the process.
Furthermore, the patent application outlines a comprehensive de-powdering process for green parts manufactured via binder jetting additive manufacturing. This process involves conducting both bulk and fine de-powdering operations, with the fine de-powdering operation specifically focusing on removing build material powder from the green part's surface using shot brush de-powdering media. The claims also address the separation of build material powder from the de-powdering media, the use of non-magnetic or magnetic media based on the green part's properties, and the selection of media dimensions based on the green part's resolution. The system described in the patent application includes a conveying system to transport the green part to the de-powdering area and an agitation system to effectively remove the build material powder, with provisions for ejecting the green part post-de-powdering.
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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.
