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:
Aug. 23, 2011

Filed:

Sep. 27, 2005
Applicants:

Bjorn Paulshus, Skedsmokorset, NO;

Tor-oystein Carlsen, Oslo, NO;

Turid Storhaug, Oslo, NO;

John Magne Johnsen, Stabekk, NO;

Inventors:

Bjorn Paulshus, Skedsmokorset, NO;

Tor-Oystein Carlsen, Oslo, NO;

Turid Storhaug, Oslo, NO;

John Magne Johnsen, Stabekk, NO;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A composite pipe having at least one metal end piece () with a free end and a non-metal tubular component (). The tubular component () is coupled to the at least one end piece () opposite of the free end of the end piece (), by means of at least one peripherally extending, axially acting groove () that the non-metallic tubular component () engages. The non-metallic tubular component () generally comprises axial fibers () extending down into the at least one groove (). The groove () has a bottom () and a flank (), which flank is located furthest away from the free end of the end piece (). Between the flank () and the axial fibers () there is provided an intermediate layer (). Also described is a method of manufacturing such a composite pipe.


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