Rupture disk apparatus and methods

Details Rupture disk apparatus and methods Rupture disk apparatus and methods

1995-10-24

1999-08-10

Fox, John

Fluid handling

Destructible or deformable element controlled

Destructible element

137 6827, F16K 1714

Patent

active

059343087

ABSTRACT:
The present invention provides an improved rupture disk apparatus and manufacturing method. The apparatus includes a rupture disk having at least one area of weakness formed by the displacement of material through a partial shearing motion. The weakened area is capable of withstanding pressure cycling because the rupture disk flange acts to support the weakened area during use. The apparatus further includes a safety member adjacent to the rupture disk on the outlet side to ensure opening, the safety member having at least one rupture-initiating, stress-concentrating point positioned to contact the rupture disk weakened area.

REFERENCES:
patent: 3921556 (1975-11-01), Wood et al.
patent: 4043481 (1977-08-01), Herbst
patent: 4236648 (1980-12-01), Wood et al.
patent: 4347942 (1982-09-01), Jernberg
patent: 4513874 (1985-04-01), Mulawski
patent: 4738372 (1988-04-01), Jernberg
patent: 4759460 (1988-07-01), Mozley

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