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:
Apr. 28, 2020

Filed:

Jan. 12, 2017
Applicant:

Apl Technology As, Kolbjørnsvik, NO;

Inventor:

Sigmund Askestad, Tvedestrand, NO;

Assignee:

APL TECHNOLOGY AS, Kolbjørnsvik, NO;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 19/00 (2006.01); E21B 17/05 (2006.01); E02B 17/00 (2006.01); F16L 27/053 (2006.01);
U.S. Cl.
CPC ...
E21B 19/004 (2013.01); E21B 17/05 (2013.01); E02B 2017/0095 (2013.01); F16L 27/053 (2013.01);
Abstract

A device for coupling a riser comprises a flexible joint comprising flanges, a ball joint with a housing comprising a mating face; a connection pipe comprising flanges; a guide pipe comprising a hang off face; a hang off structure underneath a flange of the connection pipe comprising a coned section with a surface contacting the connection pipe, a spline having parts fitting into the connection pipe, hang off segments attached to the hang off structure, the segments providing a load transferring surface; and an adapter fastened to the flexible joint housing comprising a mating surface complementary to a mating surface of the flexible joint housing; support regions; a coned section above a support region, ending at a distance from the hang off structure and in contact with the connection pipe; at least one of the support regions and the flexible joint housing being in contact with the guide pipe.


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