Lining material for pipe lines
US4877665A · kind A · utility
23Cited by
13References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 1, 1988 |
| Grant date | Oct 31, 1989 |
| Priority date | — |
| Expiry date | Jul 1, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1362
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A lining material for pipelines such as gas conduits, city water pipelines, sewage pipelines, and petroleum pipelines which having a structure wherein a layer of bulky yarns is fastened to either one of the inner and outer surfaces of a tubular textile jacket and an air-impervious layer made of a rubber or a synthetic resin is bonded to the other surface of the jacket, and exhibits excellent shape-maintaining property against external pressure and earthquake-resistance after being applied to the pipelines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.