| 摘要 |
<p>An improved support holder (60) adapted for use with a rupture disc assembly (10) including a support ring (100) having an angled cutting portion (134) wherein the support ring (100) is seated on the support holder (60) such that the angled cutting portion (134) extends away from the supported holder (60), the support holder (60) includes and upper and lower surface (66, 68), a central aperture (62) and an inner peripheral wall (40) bounding the central aperture, (62), and where one of the upper and lower surfaces (66, 68) includes a projection (80) extending beyond one of the upper or lower surfaces, (66, 68) the projection 980) bounding at least a portion of the central aperture (62) and configured to support the angled cutting portion (134) of the support ring (100) seated on the one of the upper and lower surfaces (66, 68). The improved holder (60) and support ring (100) provide improved tear initiation for a rupture disc (50).</p> |
