Segmented backup ring, system and method
US11512554B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2020 |
| Grant date | Nov 29, 2022 |
| Priority date | — |
| Expiry date | Sep 15, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/128
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A segmented backup ring including a plurality of individual segments each having curved surfaces that define an arcuate portion of the ring, each segment including a body section having the arcuate profile and defining a receptacle therein having a circumferential dimension, a projection section having a head portion and a neck portion and extending from the body section in a circumferential direction of the ring, the projection section being receivable and retainable in the receptacle of an adjacent segment body section, and the head portion having a dimension in line with the circumferential direction of the ring that is shorter than the circumferential dimension of the receptacle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.