Elco has been granted a patent for an end assembly used in welding devices. The assembly includes components made of conductive materials, securely held together by a diffuser sleeve made of a dissimilar material. This design allows for better conductivity and energy efficiency during welding. The patent also includes a claim for a contact tip with specific features for guiding a weld wire. GlobalData’s report on Elco 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 Elco, remote controlled surveillance was a key innovation area identified from patents. Elco'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.
End assembly for welding device with improved conductivity
A recently granted patent (Publication Number: US11642738B2) describes a welding apparatus that includes a contact tip designed to be received in the inner cavity of an end assembly of a welding system. The contact tip has a radiused, convex, bulbous, and curved outer surface at its first end, which is configured to be received into an indentation with a corresponding radiused, concave, and curved inner surface. The contact tip is a single piece and includes external threads that engage with internal threads of a diffuser sleeve. This threaded engagement compresses the radiused, convex, bulbous, and curved outer surface of the contact tip into abutting relationship with the radiused, concave, and curved inner surface of the indentation.
The welding apparatus also includes a diffuser sleeve with internal threads and a gooseneck with a passageway. A nozzle extends outward from the gooseneck and overlaps the outlet end of the gooseneck. An insulator is positioned between the diffuser sleeve and the nozzle. The external threads of the contact tip directly contact and threadingly engage the internal threads of the diffuser sleeve, creating a secure connection.
The patent also describes variations of the welding apparatus, including different configurations of the contact tip and the diffuser sleeve. The contact tip may have a convex and curved end portion that matches the curved inner surface of the indentation, and the diffuser sleeve may have an indentation that corresponds to the outer mating surface of the contact tip. The external threads and internal threads may be buttress threads, and the contact tip may have non-threaded end portions extending axially away from the external threads.
Overall, this patent presents a welding apparatus with a unique contact tip design that allows for a secure and efficient welding operation. The threaded engagement between the contact tip and the diffuser sleeve ensures a tight connection, and the curved surfaces of the contact tip and the indentation provide a stable abutting relationship. These features contribute to the overall performance and reliability of the welding apparatus.
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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.
