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. 25, 2017
Filed:
Oct. 05, 2012
Bluethink S.p.a., Turin, IT;
Giordano Pinarello, Turin, IT;
Alessandro Bailini, Turin, IT;
BLUETHINK S.P.A., Turin, IT;
Abstract
Described herein is a tubular apparatus for making rigid tubular structures, comprising a flexible cylindrical wall () defining inside it a hollow passage (), and suited for being wound, in particular on a spool, and continuously laid for use. According to the invention, said cylindrical wall () comprises a fabric () comprising inside it at least one gap (), which develops in the axial direction of said cylindrical wall (), said fabric () comprising means suitable for operating under traction () when present within said at least one gap () is a fluid (), injected under pressure for stiffening the tubular apparatus ().