Northrop Grumman had 15 patents in 3D printing during Q2 2024. Northrop Grumman Corp has developed a tool for forming composite structures using polymer material segments with crush inserts and support shafts. The method involves additive manufacturing of mandrel segments, assembling them, and inserting crush inserts for fabricating composite structures. GlobalData’s report on Northrop Grumman gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Northrop Grumman had no grants in 3D printing as a theme in Q2 2024.
Recent Patents
Application: Methods of forming a mandrel for forming composite structures, methods of forming composite structures, and related tools (Patent ID: US20240208133A1)
The patent filed by Northrop Grumman Corp. describes a tool for forming composite structures using a mandrel made of polymer segments assembled through an additive manufacturing process. The mandrel includes crush inserts between segments and is secured to a support shaft. The method involves winding composite fibers around the mandrel, heating the structure, and separating the mandrel from the composite structure. The crush inserts are designed to absorb thermal expansion during the curing process.
The patent also details a method for fabricating composite structures using a mandrel with crush inserts positioned between segments. The mandrel is coupled to a support shaft and wound with composite fibers before being heated and separated from the structure. The process involves disassembling the segments of the mandrel, with crush inserts designed to absorb thermal expansion. The segments are secured to the support shaft through complementary alignment structures, ensuring proper assembly and disassembly. The method allows for efficient fabrication of composite structures with improved precision and ease of removal of the mandrel.
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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.
