BigPatents India

An apparatus (148) for indenting a rupture disk having an annular flange and a rupturable portion having a domed shape, comprises a first member (154) having an opening, the first member configured to engage a first side of the rupturable portion, and a second member (150) disposed on a second side of the rupturable portion and aligned with the opening in the first member, the second member operable to engage the rupturable portion at or near the apex of the domed shape and to displace a section of the rupturable portion relative to the first member, thereby creating an indentation in the rupturable portion at or near the apex of the domed shape. (FIG. - 10)