Internal pressure container and its manufacturing method

Details Internal pressure container and its manufacturing method Internal pressure container and its manufacturing method

2005-06-03

2008-08-19

Aftergut, Jeff H (Department: 1791)

Receptacles

High-pressure-gas tank

Multilayer container

C156S172000, C156S169000, C428S034700, C428S036300, C220S588000, C220S589000

Reexamination Certificate

active

07413098

ABSTRACT:
To provide a fiber reinforced resin sleeve that is superior in mechanical strength in low cost and easily without enlarging the sleeve and increasing the weight of the sleeve, a method for manufacturing an internal pressure container in which both end portions of a fiber reinforced resin sleeve1formed by continuously winding a fiber in a filament winding method with both ends having larger diameters are closed by closure lids2, and the closure lids2are supported by retainer rings3coupled to the sleeve1, comprising the following steps of: continuously winding the fiber, impregnated with the resin, on a mandrel substantially in a perpendicular direction to an axial direction of the mandrel to form a first layer F; setting the first layer F so that a distal end is located in a position at a predetermined position L from an end of the sleeve1and a proximal end is located in a position inside of the closure lid2and the retainer ring3; subsequently continuously winding the fiber on the first layer F at an acute angle to the axial direction of the mandrel to form a second layer S over an entire range of the sleeve1; subsequently continuously winding the fiber on the second layer S substantially in the perpendicular direction to the axial direction of the mandrel to form a third layer T wound only on the end portion of the sleeve1; and after curing the resin, providing the closure lid2and the retainer ring3to the sleeve1formed by removing the mandrel away.

REFERENCES:
patent: 3881973 (1975-05-01), Pinckney
patent: 4187135 (1980-02-01), Yates et al.
patent: 4236386 (1980-12-01), Yates et al.
patent: 4260332 (1981-04-01), Weingart et al.
patent: 4649960 (1987-03-01), Policelli
patent: 5160392 (1992-11-01), Thongs, Jr.
patent: 6379763 (2002-04-01), Fillman

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