Non-fragmenting pressure relief apparatus

Details Non-fragmenting pressure relief apparatus Non-fragmenting pressure relief apparatus

2006-01-18

2010-06-15

Castellano, Stephen (Department: 3781)

Receptacles

Container attachment or adjunct

Pressure relief means

C137S068210

Reexamination Certificate

active

07735671

ABSTRACT:
Non-fragmenting pressure relief apparatus includes at least one circular rupture disc having a central asymmetric bulged section and a peripheral flange portion. A semi-circular line of weakness extends around the periphery of the bulged section and presents a hinge portion between the ends of the line of weakness. A hold-down member for the rupture disc having an inner opening surrounding the bulged section of the disc is provided with a unitary segment that extends into the inner opening of the hold-down member. The spaced end extremities of the line of weakness extend beneath the hold-down member segment. The hinge portion of the disc upon rupture of the disc bends about a fulcrum defined by the outer margin of the hold-down segment, which in conjunction with deflection of the segment of the hold-down member contributes to anti-fragmentation of the disc.

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