Rupture disk apparatus and methods

Metal deforming – With cutting – By composite tool

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Details

B21D 2810

Patent

active

059748516

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.

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patent: 4492103 (1985-01-01), Naumann
patent: 4513874 (1985-04-01), Mulawski
patent: 4738372 (1988-04-01), Jernberg
patent: 4759460 (1988-07-01), Mozley

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