Safety pressure relief apparatus

Details Safety pressure relief apparatus Safety pressure relief apparatus

1978-11-24

1980-07-08

Shoap, Allan N.

Receptacles

Container attachment or adjunct

Pressure relief means

137 68R, F16K 1740

Patent

active

042113342

ABSTRACT:
The present invention relates to a safety pressure relief apparatus comprised of a reverse buckling rupture disk having a concave-convex portion connected to an annular flat flange portion by a curved transition connection and a support member having an annular flat flange portion for engaging the annular flat flange portion of the rupture disk and for supporting the transition connection thereof. The support member includes a cutting edge positioned interiorly of the transition connection and forming an opening in the support member so that when the concave-convex portion of the rupture disk reverses itself, the cutting edge severs the disk whereby a portion thereof passes through the opening in the support member. A bar for catching the severed portion of the disk after it passes through the opening in the support member is attached to the support member.

REFERENCES:
patent: 1157685 (1915-10-01), Fryer
patent: 1930138 (1933-10-01), Van Derhoef
patent: 2095828 (1937-10-01), Nerad
patent: 2276830 (1942-03-01), Doran
patent: 3213949 (1965-10-01), Kistler
patent: 3464585 (1969-09-01), Summers
patent: 3685686 (1972-08-01), Raidl
patent: 3834580 (1974-09-01), Ludwig et al.
patent: 3922767 (1975-12-01), Solter et al.

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