The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 20, 2018

Filed:

Sep. 15, 2011
Applicant:

Sjur Kristian Lund, Halden, NO;

Inventor:

Sjur Kristian Lund, Halden, NO;

Assignee:

NEXANS, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/06 (2006.01); E21B 43/01 (2006.01); E21B 17/20 (2006.01); F16L 11/22 (2006.01); E21B 17/01 (2006.01); E21B 19/00 (2006.01); F16L 9/147 (2006.01); F16L 11/15 (2006.01);
U.S. Cl.
CPC ...
E21B 43/0107 (2013.01); E21B 17/01 (2013.01); E21B 17/017 (2013.01); E21B 17/203 (2013.01); E21B 19/004 (2013.01); F16L 11/22 (2013.01); F16L 9/06 (2013.01); F16L 9/147 (2013.01); F16L 11/15 (2013.01);
Abstract

An umbilical () has a center tube () that is a steel tube, and that the cross section of the center tube () at the extremity of the umbilical () is made corrugated on a length that extends substantially from the extremity to a distance from the extremity so that fatigue strain on non corrugated parts of the steel tube is avoided when the extremity of the umbilical () is inserted into a bend stiffener ().


Find Patent Forward Citations

Lund, Sjur. (2018). Cabling system corrugated centertube umbilical (U.S. Patent No. 9920598). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9920598

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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