| 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 |
| 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 |
| 4211334 |
Safety pressure relief apparatus |
July 8, 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 |
| 4158422 |
Safety pressure relief apparatus |
June 19, 1979 |
| 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 |
| 4146047 |
Integral fluid pressure rupturable apparatus |
March 27, 1979 |
| An integral reverse buckling fluid pressure rupturable apparatus comprised of a support body formed of a ductile material having opposite ends and having a recess extending inwardly from one of the opposite ends, the internal terminus of the recess being positioned in close proximity to |
| 4122595 |
Scored rupture disk manufacturing method |
October 31, 1978 |
| The present invention relates to improved methods of manufacturing scored rupture disks whereby a coating of corrosion-resistant material is applied to the disks so that a score pattern is left unprotected thereon and the disks are contacted with a corrosive fluid for a period of time su |
| 4102167 |
Method of manufacturing integral fluid pressure rupturable apparatus |
July 25, 1978 |
| A method of manufacturing an integral reverse buckling fluid pressure rupturable apparatus comprised of a support body formed of a ductile material having opposite ends and having a recess extending inwardly from one of the opposite ends, the internal terminus of the recess being pos |
| 4073402 |
Preassembled pressure relief apparatus |
February 14, 1978 |
| A preassembled pressure relief apparatus adapted to be clamped between a pair of conventional pipe flanges. The apparatus is comprised of a pressure rupturable member supported between a pair of complementary supporting members which include seating surfaces to coact with the annular |
