Knife blade apparatus for severing rupture disks

Details Knife blade apparatus for severing rupture disks Knife blade apparatus for severing rupture disks

1982-02-11

1982-12-14

Moy, Joseph Man-Fu

Receptacles

Container attachment or adjunct

Pressure relief means

137 68R, 220319, F16K 1740

Patent

active

043634184

ABSTRACT:
An improved knife blade apparatus adapted to be installed in a rupture disk assembly whereby upon failure of a rupture disk in the assembly the disk is severed by the knife blade apparatus. The apparatus includes an annular support member adapted to be installed in the assembly having an annular groove disposed interiorly therein, knife blades disposed interiorly of the support member including one or more exterior portions each of which includes a groove therein, and an annular snap ring disposed in the annular groove in the support member and in the grooves in the one or more exterior portions of the knife blades whereby the knife blades are held within the support member but are free to expand or contract therein.

REFERENCES:
patent: 2616587 (1952-11-01), P etch
patent: 2749162 (1956-06-01), Humphrey
patent: 3294277 (1966-12-01), Wood
patent: 3482732 (1969-12-01), Davis
patent: 3742698 (1973-07-01), Kennedy
patent: 3906977 (1975-09-01), Summers et al.
patent: 4085764 (1978-04-01), Raidl, Jr.
patent: 4119236 (1978-10-01), Shaw et al.
patent: 4195632 (1980-04-01), Parker et al.

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