Holtec International. has filed a patent for a nuclear waste cask design featuring a locking mechanism with slideable locking bars controlled by hydraulic or pneumatic actuators. The cask includes impact absorbers and lifting elements for safe storage of radioactive materials. GlobalData’s report on Holtec International 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 Holtec International, Heat exchanger brazing was a key innovation area identified from patents. Holtec International's grant share as of January 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Nuclear waste cask with locking mechanism
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A newly filed patent (Publication Number: US20240029906A1) describes a method for locking a radioactive waste storage cask to ensure secure containment. The method involves positioning a closure lid on the cask body over an opening leading to an internal storage cavity. By inserting a peripheral array of first locking protrusions on the lid between and through a corresponding array of second locking protrusions on the cask body, the lid is securely locked in place. The locking protrusions are slideably moved beneath each other and frictionally engaged, preventing the lid from being removed from the cask body.
Furthermore, the method includes additional steps such as arranging the locking protrusions in spaced groups on locking bars slideably mounted on the lid, allowing for easy movement between locked and unlocked positions. The engagement of tapered locking surfaces on the protrusions creates a wedging action that draws the lid tightly against the cask body, compressing a gasket for a secure seal. Hydraulic or pneumatic actuators mounted on the lid facilitate the sliding movement of the locking bars, ensuring efficient locking and unlocking of the storage cask. Overall, the method provides a reliable and effective way to secure radioactive waste storage casks, particularly those with a horizontally elongated rectangular cuboid configuration.
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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.
