Diehl Stiftung has filed a patent for a base part used in the production of cartridge cases. The base part includes a case base with a circumferential extractor recess that has a polygonal geometry formed by a closed traverse. This design simplifies production. GlobalData’s report on Diehl Stiftung 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 Diehl Stiftung, Aircraft cabin lighting was a key innovation area identified from patents. Diehl Stiftung's grant share as of June 2023 was 1%. Grant share is based on the ratio of number of grants to total number of patents.
A base part for producing a cartridge case with polygonal extractor recess
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A recently filed patent (Publication Number: US20230124564A1) describes a base part for producing a cartridge case. The base part includes a case base that can receive a primer cap, and it has a circumferential extractor recess on its outer circumference. This recess is in the shape of a polygon and is formed from a closed traverse in cross section. The polygon geometry can have straight or curved paths, and it can be rotationally symmetrical or have a 2n-fold rotational symmetry in relation to an axis of rotation, where n is a number 3.
The patent also describes a cartridge case that includes a cylindrical case with a case opening for receiving a propellant charge and a projectile. The base part described earlier is disposed opposite the case opening. The cylindrical case and the base part can be formed in one piece or fixedly connected using joining technology.
The patent further outlines a method for producing the cartridge case. The method involves supplying a base body and producing a circumferential extractor recess on the outer circumference of the base body in the form of a polygon geometry. This can be done through reshaping or machining methods, and the polygon geometry can be stamped into the base body. The method can also involve using a 2-part or multi-part shaping die and performing multiple shaping steps to create the desired polygon geometry.
Additionally, the patent describes methods for producing the base part separately and connecting it to the cylindrical case using joining methods. These methods involve similar steps of supplying a base body, producing the polygon geometry, and connecting the base part to the cylindrical case.
Overall, this patent presents innovations in the design and production of cartridge cases, specifically focusing on the base part and its geometry. The described methods offer potential improvements in efficiency and precision in the manufacturing process.
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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.
