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:
Mar. 25, 2003
Filed:
Jul. 25, 2002
Applicant:
Inventors:
Jean Guesnon, Chatou, FR;
Christian Gaillard, Rueil Malmaison, FR;
Pierre Schaeffner, Le Haillan, FR;
Christophe Blois, Bordeaux, FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/04 ;
U.S. Cl.
CPC ...
F16L 9/04 ;
Abstract
High-pressure pipe element made of a hooped tube for making lines referred to as kill lines and choke lines that equip oil production installations, notably offshore. The high-pressure pipe element is an assembly consisting of two connections ( ) and ( ) respectively welded to the two ends of a metallic tube ( ). The metallic assembly is hooped. Hooping ( ) covering tube ( ) comprises a sufficient number of hooping layers to withstand a determined internal pressure. Transition zones ( ) and ( ) in the vicinity of the welds comprise additional hooping layers.