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:
Jan. 05, 2010
Filed:
Mar. 22, 2005
Applicant:
Zhimin Tan, Katy, TX (US);
Inventor:
Zhimin Tan, Katy, TX (US);
Assignee:
Wellstream International Limited, Newcastle Upon Tyne, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A collapse tolerant flexible pipe and method of manufacturing same according to which an inner tubular layer is provided within an outer tubular layer in a coaxial relationship thereto. The inner layer maintains the maximum allowable strain on the outer layer below a value that will cause damage to the outer layer when the pipe collapses.