Ls Cable & System Ltd.

Lg Cable Ltd.

Seon Tae Kim

Ji Young Kim

Kum Hwan Cha

Kyoung Soo Kim

Jee Yong Park

Doo Yeon Kim

Soon Chul Jung

Seung Chol Lee

Tae Jung Lee

The present invention relates to a submarine cable having a bimetallic armor. In particular, the present invention relates to a submarine cable capable of effectively suppressing damage to and corrosion of an armor formed of different types of metals due to a local decrease in tensile strength thereof and capable of avoiding an increase in an external diameter of the cable, the structural instability of the cable, and damage to the cable during the manufacture and installation thereof.

Submarine cable having heterogeneous armor

The present invention relates to an expansion tube that has a plurality of expansion slits on the outer peripheral surface thereof long a longitudinal direction, each of the expansion slits having a predetermined width and a relatively larger length than the predetermined width, and an apparatus for manufacturing a heat shrinkable tube, having the expansion tube, that can regularly and fast expand the heat shrinkable tube, and after the expansion, regularly and fast cool the heat shrinkable tube by the cooling water sprayed through the slits, thereby rapidly and stably manufacturing the heat shrinkable.

Expansion tube having expansion slits and apparatus for manufacturing heat shrinkable tube having the expansion tube

Growing community of inventors

Seoul, South Korea

Seon Tae Kim