Royal Boskalis Westminster has patented a method for watertightly sealing exposed cut off ends of subsea cables during installation. By applying a mouldable sealant that cures at ambient temperature, the method prevents water damage to the cable, allowing for a broader range of outer layer materials to be used. GlobalData’s report on Royal Boskalis Westminster 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 Royal Boskalis Westminster, was a key innovation area identified from patents. Royal Boskalis Westminster's grant share as of May 2024 was 57%. Grant share is based on the ratio of number of grants to total number of patents.
Method for watertightly sealing exposed subsea cable cut off ends
A recently granted patent (Publication Number: US11972879B2) discloses a method for watertightly sealing off an exposed cut off end of a subsea cable. The method involves applying a moldable sealant to the exposed end, which cures to prevent water from entering the cable or contacting the cores. The sealant connects to and seals the exposed ends of the jackets, retaining its shape even in a subsea environment. Additionally, the method may include applying an intermediate layer and an outer layer to enhance the sealing properties, with the outer layer preventing water from contacting the intermediate layer.
Furthermore, the patent describes a watertight subsea cable section resulting from the method, where a layer of sealant is applied to exposed ends of the jackets and cores. This sealant prevents water from contacting the cores and retains its shape in a subsea environment. The subsea cable section may also include an additional jacket to radially clamp the cable and sealant. The patent also details variations of the method, such as cutting the cable to expose only the cut-off surface or applying the sealant to an exposed axial end of the cores. Overall, the patent aims to provide an effective and durable solution for sealing subsea cables to prevent water ingress and protect the cable components.
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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.
