PRESSURIZED FLUID PIPE - TI GROUP AUTOMOTIVE SYS LTD

Title:

PRESSURIZED FLUID PIPE

Document Type and Number:

WIPO Patent Application WO2001040694

Kind Code:

A3

Abstract:

A pipe for pressurised-fluid feed systems, such as a diesel engine fuel pipe, has a wall of predetermined thickness with an internal surface and an external surface and an internal bore with a predetermined diameter for through-flow of the fluid. The internal surface and/or external surface are subjected to a nitriding or carbonitriding treatment, so as to obtain an increase in the hardness and/or the mechanical strength of the pipe, with regard to both stresses due to the pressure of the fluid and axial stresses due to flexing of the pipe.

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Inventors:

BALBI PAOLO (IT)
PICCO PIERLUIGI (IT)

Application Number:

PCT/GB2000/004535

Publication Date:

May 10, 2002

Filing Date:

November 28, 2000

Export Citation:

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Assignee:

TI GROUP AUTOMOTIVE SYS LTD (GB)
BALBI PAOLO (IT)
PICCO PIERLUIGI (IT)

International Classes:

C21D1/06; F02M55/02; F16L9/02; (IPC1-7): F02M55/02; F16L19/02

Foreign References:

US4458724A	1984-07-10
US4163561A	1979-08-07

Other References:

PATENT ABSTRACTS OF JAPAN vol. 1999, no. 11 30 September 1999 (1999-09-30)
PATENT ABSTRACTS OF JAPAN vol. 011, no. 255 (M - 617) 19 August 1987 (1987-08-19)
PATENT ABSTRACTS OF JAPAN vol. 005, no. 190 (M - 100) 4 December 1981 (1981-12-04)

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