Split weight bands and tubular weight bands

Abstract

To make components that function as weights attached to underwater pipes or cables more resistant to cracking. [Solution] The split weight band 10 is a part that constitutes a tubular weight band, which is attached by sandwiching an underwater pipe or underwater cable between two of them and functions as a weight for the underwater pipe or underwater cable. The split weight band 10 comprises a main body portion 11 that has the shape of a split pipe, and a flat portion 12A formed on a part of the outer circumference portion 12 of the main body portion 11 in a planar shape facing radially outward of the split pipe shape. The main body portion 11 and the flat portion 12A are integrally constructed from ductile cast iron 10A, and their entire outer surface 10B is covered with a resin coating 10C.

Claims

1. A split weight band is a part that constitutes a tubular weight band, which is attached by sandwiching an underwater pipe or underwater cable between two parts, and functions as a weight when the underwater pipe or underwater cable is submerged to the bottom of the sea. The main body has a split-tube shape, In the main body, a portion of the outer circumferential part that constitutes the outer circumferential surface of the tubular weight band is a flattened portion formed in a planar shape facing radially outward in the half-tube shape, Equipped with, The main body and the flat section are integrally constructed from ductile cast iron, and their entire outer surface is covered with a resin coating. Half-split weight band.

2. A split weight band as described in claim 1, The main body is provided with a hanging hole that allows a lifting device to be attached to the main body. Half-split weight band.

3. A split weight band according to claim 1 or claim 2, The aforementioned split pipe shape is provided with a plurality of flat sections arranged along the circumferential direction, Half-split weight band.

4. A tubular weight band as described in claim 1, The device includes a fastener for joining the two aforementioned split weight bands with their inner circumferential portions facing each other. The aforementioned fastener is made of a metal having the same natural potential as the ductile cast iron. Tubular weight band.

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