Fiberglass tubular coupling with liner
US5186500A · kind A · utility
17Cited by
8References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 9, 1990 |
| Grant date | Feb 16, 1993 |
| Priority date | — |
| Expiry date | Oct 9, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L47/16
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A composite fiberglass tubular coupling comprising an elastically deformable liner. The interior surface of the liner is threaded inwardly from each opposite end. A plurality of buttress ridges are located on the exterior surface of the liner and the exterior surface of the liner is overwound with thermoset resin impregnated fiberglass reinforcing fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.