| Patent Number |
Title Of Patent |
Date Issued |
| 4481850 |
Scored reverse buckling rupture disk apparatus |
November 13, 1984 |
| The present invention relates to improved apparatus for manufacturing scored reverse buckling rupture disks. The scores on the disks radiate outwardly from central portions thereof toward the peripheries thereof and have known depths and depth variances. |
| 4441350 |
Scored reverse buckling rupture disk manufacturing method |
April 10, 1984 |
| The present invention relates to improved methods and apparatus for manufacturing scored reverse buckling rupture disks. The scores on the disks radiate outwardly from central portions thereof toward the peripheries thereof and have known depths and depth variances. |
| 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 |
