Pressure relief device

Details Pressure relief device Pressure relief device

1983-10-26

1986-05-27

Weakley, Harold W.

Fluid handling

Destructible or deformable element controlled

Destructible element

251362, 220 89A, F16K 1714

Patent

active

045909571

ABSTRACT:
A bursting disc assembly comprises a generally tubular body provided with an external screw thread and, at one end of the body, a counterbore which forms an annular seat within the body to accommodate at least the peripheral regions of a preferably flat bursting disc; a bursting disc located on the seat and a plug with a longitudinal bore pushed into and a tight fit within the counterbore so as to hold the bursting disc in place, the plug being prevented from rotating with respect to the body by knurls which bite into the walls of the counterbore. In use, the assembly is screwed into the housing of a pressure relief device so that the free end of the plug bears against and forms a fluid-tight seal with an opening in the base of the housing and at the same time, the other end of the plug compresses the bursting disc against the seat so as to form fluid-tight seals between plug, bursting disc and seat.

REFERENCES:
patent: 2017154 (1935-10-01), Larkin
patent: 2701075 (1955-02-01), Cottman
patent: 2764173 (1956-09-01), Renner
patent: 3064854 (1962-11-01), Miller
patent: 3404698 (1968-10-01), Rouse
patent: 3908684 (1975-09-01), Short
patent: 3964520 (1976-06-01), Baas
patent: 4219040 (1980-08-01), Fallon
patent: 4399830 (1983-08-01), Brodie

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