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.
Patent No.:
Date of Patent:
Jun. 16, 2015
Filed:
Dec. 03, 2010
Applicant:
Kristian Glejbøl, Glostrup, DK;
Inventor:
Kristian Glejbøl, Glostrup, DK;
Assignee:
NATIONAL OILWELL VARCO DENMARK I/S, Brondby, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 11/00 (2006.01); F16L 11/08 (2006.01);
U.S. Cl.
CPC ...
F16L 11/08 (2013.01);
Abstract
The invention relates to an unbonded, flexible pipe having a length and comprising a tubular inner sealing sheath, at least one metal armor layer and an outer sealing sheath. The unbonded, flexible pipe comprises at least one insulated length section comprising a fluid permeable thermally insulating cover surrounding the outer sealing sheath in the insulated length section. The thermally insulating cover is further surrounded by a liquid permeable jacket, and preferably the thermally insulating cover is liquid permeable.