Hooped tube dimensioning method

Details Hooped tube dimensioning method Hooped tube dimensioning method

2005-05-24

2005-05-24

Larkin, Daniel S. (Department: 2856)

Measuring and testing

With fluid pressure

Dimension, shape, or size

C073S037500, C156S143000, C428S036910

Reexamination Certificate

active

06895806

ABSTRACT:
A method of dimensioning a hooped tube intended to carry a fluid under pressure. The hooped tube consists of a metal tube and of a reinforcing element wound around the metal tube so as to hoop the tube. In a first stage, the method consists in determining, according to a first series of criteria, the characteristics of the metal tube without the hooping reinforcement that is wound around it at the end of the manufacture process. The first series of criteria includes the resistance to all the mechanical stresses applied to the hooped tube, i.e. compressive, bending, collapse and tensile stresses, with the exception of the radial stresses due to the internal pressure. In a second stage, the method consists in determining the hooping characteristics so as to obtain a determined prestress field in the wall of the hooped tube.

REFERENCES:
patent: 4514245 (1985-04-01), Chabrier
patent: 5110644 (1992-05-01), Sparks et al.
patent: 6146482 (2000-11-01), Patton et al.
patent: 0635667 (1995-01-01), None

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