| Patent Number |
Title Of Patent |
Date Issued |
| 4301938 |
Safety pressure relief device |
November 24, 1981 |
| A safety pressure relief device is provided for the venting of fluid pressure between first and second pressure zones. The relief device includes a first rupture disk having flexible sealing membrane located on one side thereof, and a knife means located on the other side of the first |
| 4278181 |
Safety pressure relief device |
July 14, 1981 |
| A safety pressure relief device is provided for the venting of fluid pressure between first and second pressure zones. The relief device includes a first rupture disk having a flexible sealing membrane located on one side thereof, and a knife means located on the other side of the fi |
| 4269214 |
Safety pressure relief device |
May 26, 1981 |
| A safety pressure relief device including a rupture disk having a concave-convex portion and a radially outer flange portion joined by a curved transition connection. An improved knife means is located adjacent the concave side of said rupture disk, said knife means including a radia |
| 4236648 |
Safety pressure relief apparatus |
December 2, 1980 |
| 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 |
