US 11,837,386 B2
Reinforced water barrier over a joint
Massimiliano Mauri, Borgenhaugen (NO); Simon Jorgensen, Sellebakk (NO); and Pal Braekke Gronberg, Halden (NO)
Assigned to NEXANS, Courbevoie (FR)
Filed by NEXANS, Courbevoie (FR)
Filed on Nov. 8, 2021, as Appl. No. 17/521,468.
Prior Publication US 2023/0139062 A1, May 4, 2023
Int. Cl. H01B 7/282 (2006.01); H02G 15/184 (2006.01)
CPC H01B 7/282 (2013.01) [H02G 15/184 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A joined power cable comprising:
a joint between cable cores of a first and a second power cable sections, wherein the first power cable section comprises a first metallic water barrier laid around the cable core of the first power cable section and a first outer sheathing laid around said first water barrier, and
wherein the second power cable section comprises a second metallic water barrier laid around the cable core of the second power cable section and a second outer sheathing laid around said second water barrier,
wherein the joined power cable further comprises
a tube-shaped intermediate water barrier placed radially around and extending across the joint, and having a first end attached to the first water barrier and a second end attached to the second water barrier by attachments, and
a first reinforcement located radially around and attached to a part of the intermediate water barrier adjacent to the attachment at the second end of the intermediate water barrier, the attachment at the second end of the intermediate water barrier, and further to a part of the second outer sheathing of the second power cable section,
and wherein
the first reinforcement comprises first layer of a polyethylene based adhesive and a second thermoplastic layer that are thermally set.