Fluid pressure vessel boss-liner attachment system with liner/ex

Details Fluid pressure vessel boss-liner attachment system with liner/ex Fluid pressure vessel boss-liner attachment system with liner/ex

1994-12-22

1996-02-27

Shoap, Allan N.

Receptacles

High-pressure-gas tank

Multilayer container

220461, 220465, 220901, F17C 106

Patent

active

054941881

ABSTRACT:
A fluid pressure vessel includes an exterior composite structural shell formed with a cylindrical sidewall and first and second dome-shaped end sections with two axially aligned openings in the end sections. An interior fluid impermeable liner is disposed in the shell to fit against the inside surface thereof, and includes two openings, each aligned with and adjacent to a respective one of the openings in the shell. A pair of end bosses are each disposed in respective adjacent openings of the shell and liner. The improvement of the invention involves forming the bosses so that each includes a cylindrical neck portion, an annular collar extending radially outwardly from the neck portion, a central hollow or bore extending axially through the neck portion, and an annular groove formed in the bore to include downwardly and inwardly sloping shoulders on one side of the groove. The perimeters of the openings in the liner are each formed with a first radially inwardly projecting section for overlying the top of the collar of a respective boss, and a second section projecting from an underside of the first section radially inwardly, for underlying the bottom of the collar of a respective boss, and upwardly into the bore, over the shoulder, to the groove.

REFERENCES:
patent: 3132761 (1964-05-01), Sylvester
patent: 3508677 (1970-04-01), Laibson et al.
patent: 3847716 (1974-11-01), Dorsch
patent: 3908851 (1975-09-01), Jacobs
patent: 4360116 (1982-11-01), Humphrey
patent: 4690295 (1987-09-01), Wills
patent: 4925044 (1990-05-01), Hembert
patent: 5004120 (1991-04-01), Hembert

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