Rupture disk assembly

Details Rupture disk assembly Rupture disk assembly

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 17/16 (2006.01) F16K 17/40 (2006.01)

Patent

CA 2678789

An improved rupture disk assembly and methods and apparatuses for forming a rupture disk are disclosed. The rupture disk assembly includes a rupture disk that has a flange connected to a dome-shaped rupturable portion by a transition area and is sealed between a pair of support members. The rupturable portion may include an indentation positioned at the apex of the dome and a score line having a first and a second end. A safety member that has a hinge including a knuckle and a tongue is positioned between the rupture disk and an outlet support member. The knuckle extends downwardly into the dome and extends laterally across the dome to a point that is inside the area circumscribed by the score line or inside the area circumscribed by an arc connecting the two ends of the score line. The present invention is also directed to an apparatus and method for consistently, accurately, and repeatably forming a structural apex formation in rupture disk before the formation of the rupture disk dome, during the formation of the rupture disk dome, and after the formation of the rupture disk dome.

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