Termination of strength members of deep water cables

Patent metadata

Field	Value
Publication number	US-9923355-B2
Application number	US-201514931962-A
Country	US
Kind code	B2
Filing date	Nov 4, 2015
Priority date	Nov 10, 2014
Publication date	Mar 20, 2018
Grant date	Mar 20, 2018

Abstract

A method for terminating a cable ( 6 ) having at least one strength member ( 7 ). The method includes the steps of providing a cable termination comprising at least one termination chamber ( 2 ) for accommodating an end section of the strength member ( 7 ) and arranging and fastening an anchoring sleeve ( 12 ) around at least parts of the end section. The method further includes introducing the end section into the termination chamber ( 2 ) and fastening the end section by curing a polymer resin in the termination chamber ( 2 ) as well as a termination suitable for the method.

First claim

The invention claimed is:

1. A method for terminating a cable having at least one strength member, the method comprises the steps of:
providing a cable termination comprising at least one termination chamber for accommodating an end section of the strength member;
arranging and fastening an anchoring sleeve around at least parts of the end section, the sleeve further comprising a first end and a second end, the first end having a conical shape when fastened around the end section, such that fibres at the end section of the strength member may be brushed out in a radial direction;
introducing the end section into the termination chamber; and
fastening the end section by curing a polymer resin in the termination chamber.

2. A method according to claim 1 , wherein the Shore hardness of the polymer resin in the termination chamber decreases in a stepwise or continuous manner in the longitudinal direction of the strength member towards a cable inlet of the cable termination.

3. A method according to claim 2 , wherein the polymer resin with the highest Shore hardness is an epoxy.

4. A method according to claim 2 , wherein the polymer resin with the highest Shore hardness is a polyurethane.

5. A method according to claim 2 , wherein the polymer resin comprises multiple types of polyurethanes and/or epoxies of decreasing Shore hardness.

6. A method according to claim 2 , wherein the termination chamber further comprises a first termination section and a second termination section, the second termination section being closer to a cable inlet of the termination and the polymer resin of the highest Shore hardness is arranged in the first termination section.

7. A method according to claim 1 , wherein the polymer resin has a Shore D hardness in the range of 35-95.

8. A method for terminating a cable having at least one strength member, the method comprises the steps of:
providing a cable termination comprising at least one termination chamber for accommodating an end section of the strength member;
introducing the end section into the termination chamber; and
fastening the end section by providing and curing a polymer resin in the termination chamber, wherein the Shore hardness of the polymer resin decreases in a stepwise or continuous manner in the longitudinal direction of the strength member towards a cable inlet ( 4 ) of the cable termination.

9. A method according to claim 8 , wherein the polymer resin with the highest Shore hardness is an epoxy.

10. A method according to claim 8 , wherein the polymer resin with the highest Shore hardness is a polyurethane.

11. A method according to claim 8 , wherein the polymer resin comprises multiple types of polyurethanes and/or epoxies of decreasing Shore hardness.

12. A method according to claim 8 , wherein the termination chamber further comprises a first termination section and a second termination section, the second termination section being closer to a cable inlet of the termination and the polymer resin of the highest Shore hardness is arranged in the first termination section.

13. A method according to claim 8 , further comprising a step of arranging and fastening an anchoring sleeve around at least parts of the end section of the strength member.

14. A method according to claim 8 , wherein the polymer resin has a Shore D hardness in the range of 35-95.

Assignees

• Nexans

Inventors

• Larsson Roger
• Karlsen Jan Erik
• Aspli Bjorn

Classifications

• B29C66/30325

  making use of cavities belonging to at least one of the parts to be joined · CPC title

• B29C65/483

  Reactive adhesives, e.g. chemically curing adhesives · CPC title

• B29C66/532

  Joining single elements to the wall of tubular articles, hollow articles or bars · CPC title

• F16G11/05

  by using conical plugs insertable between the strands · CPC title

• H02G15/06 Primary

  Cable terminating boxes, frames or other structures · CPC title