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:
Apr. 26, 2016
Filed:
Nov. 19, 2013
Applicant:
Aker Subsea As, Lysaker, NO;
Inventors:
Knut Møgedal, Asker, NO;
Kristian Guttulsrud, Asker, NO;
David Brown, Oslo, NO;
Jonas Åkerlund, Jar, NO;
Assignee:
AKer Subsea AS, Lysaker, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 17/40 (2006.01); E21B 7/12 (2006.01); E21B 43/00 (2006.01); E21B 17/01 (2006.01); E21B 17/06 (2006.01);
U.S. Cl.
CPC ...
E21B 17/06 (2013.01); E21B 17/01 (2013.01);
Abstract
A weak link () for a riser system comprising a pin () and a box (), bolts () for releasably connecting the pin () and the box (), the bolts being designed to break at a predefined tension. The link further comprising a pressure balancing mechanism for balancing axial forces acting on the bolts () due to end cap effect. The weak link also comprises a strong mode mechanism and a dampening mechanism.