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公开(公告)号：US12136503B2
公开(公告)日：2024-11-05
申请号：US17701357
申请日：2022-03-22
Applicant: NEXANS
Inventor： Simon Jorgensen , Audun Johanson , Massimiliano Mauri
Abstract: A water barrier for encapsulating a cable core has a layer of metal foil having a thickness of t1, and a single layer of a polyethylene-based polymer having a thickness of t2. The ratio t2: t1 is at least seven, and the single layer of a polyethylene-based polymer has been deposited onto the metal foil by extrusion at an extrusion temperature of at least 150° C., with the metal foil preheated to a temperature of at least 130° C.
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公开(公告)号：US11837386B2
公开(公告)日：2023-12-05
申请号：US17521468
申请日：2021-11-08
Applicant: NEXANS
Inventor： Massimiliano Mauri , Simon Jorgensen , Pal Braekke Gronberg
IPC: H01B7/282 , H02G15/184
CPC classification number: H01B7/282 , H02G15/184
Abstract: A reinforced water barrier over a joint between power cables is suited for subsea cables having different water barrier/sheathing designs. The reinforced water barrier has an intermediate water barrier made of lead or a lead alloy which stretches over the joint and is attached to the underlaying water barriers of the joined cables, and which is reinforced by being coated with a layer of polyethylene based adhesive followed by a layer of polymeric outer sheathing. The adhesive layer and the layer of polymeric outer sheathing are thermally set by a heat treatment.
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公开(公告)号：US12230944B2
公开(公告)日：2025-02-18
申请号：US17731171
申请日：2022-04-27
Applicant: NEXANS
Inventor： Massimiliano Mauri , Erik Markus Jarvid
IPC: H02G1/00 , H02G1/14 , H02G15/00 , H02G15/196
Abstract: An insulation system for jointing of high voltage conductors has an inner layer made of a crosslinked first polymeric semiconducting material, an intermediate insulating layer made of a thermoplastic polymeric insulating material, and an outer layer made of a second polymeric semiconducting material. The insulation system is adapted for surrounding the electric conductor joint.
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