Bursting disc assembly retaining ring with a clover leaf cutting pattern and projection
US6349737B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2001 |
| Grant date | Feb 26, 2002 |
| Priority date | — |
| Expiry date | Feb 13, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/1759
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A support ring adapted to support a rupturable rupture disc member in a rupture disc assembly. The support ring includes an upper surface, a lower surface, a central aperture defined by an inner peripheral edge and at least one tear-initiating projection, and having a cutting means extending inwardly from the inner peripheral edge and below the upper surface and adapted to cut the rupture disc member. The cutting means includes a plurality a curved cutting portions, each of the plurality of curved cutting portions including an inner arc section extending closer to the inner peripheral edge than other portions of the curved cutting portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.