Title:
Improvements in tubular bodies and methods of forming same
Document Type and Number:
WIPO Patent Application WO2006016190
Kind Code:
A3
Abstract:
A tubular body (10) comprises an inner hollow core (12) and an outer casing (14) of one or more strips of self mechanically inter-engaging helically wound material having a higher yield stress than that of the core material. Also provided is a method of forming the tubular body (10) comprising the steps of winding the outer core (14) onto the inner (10) core (12) and an end connector (32) for use with said tubular body (10) when said body (10) is provided with helically extending detents (30a) on an outer surface thereof.
Inventors:
BOOTH JOHN PETER (GB)
LOVIS GORDON DAVID (GB)
LOVIS GORDON DAVID (GB)
Application Number:
PCT/GB2005/050101
Publication Date:
May 18, 2006
Filing Date:
July 04, 2005
Export Citation:
Assignee:
ITI SCOTLAND LTD (GB)
BOOTH JOHN PETER (GB)
LOVIS GORDON DAVID (GB)
BOOTH JOHN PETER (GB)
LOVIS GORDON DAVID (GB)
International Classes:
F16L9/04; F16L9/16; F16L11/16; F16L25/00; (IPC1-7): F16L9/16; F16L9/04; F16L25/00
Domestic Patent References:
| WO2000028249A1 | 2000-05-18 | |||
| WO2002004856A1 | 2002-01-17 |
Foreign References:
| US5117874A | 1992-06-02 | |||
| US3880195A | 1975-04-29 | |||
| GB2280889A | 1995-02-15 | |||
| US5730188A | 1998-03-24 | |||
| DE854608C | 1952-11-06 | |||
| US4823847A | 1989-04-25 | |||
| US3530567A | 1970-09-29 | |||
| US4657049A | 1987-04-14 | |||
| GB2107814A | 1983-05-05 | |||
| US1365306A | 1921-01-11 | |||
| US1091759A | 1914-03-31 | |||
| DE4210978A1 | 1993-10-07 | |||
| US4033612A | 1977-07-05 |
Other References:
See also references of EP 1769181A2
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