Coupling seal for pipe liners
US11994242B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2022 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Oct 7, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L2201/20
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A coupler for lined pipe joints in a lined pipe system. The coupler for a lined pipe system, having lined pipe section ends with an inner diameter. A substantially cylindrical hollow body includes an outer surface, an inner surface, two opposing open ends, and a longitudinal center between the two opposing open ends. A ridge extends radially outwardly from the outer surface at the longitudinal center. A hollow radial barb, with a point having a maximum diameter and a hollow section, is symmetrically disposed on the outer surface between each opposing open end and the ridge wherein the radial barbs extend outwardly from the outer surface and away from the ridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.