Rehabilitation of water supply pipes
US6899141B2 · kind B2 · utility
1Cited by
12References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2003 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | Oct 30, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1393
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A water supply pipe has a tubular liner of a polyolefin elastomer/plastomer installed therein. The polyolefin elastomer/plastomer includes a substantially linear ethylene inter-polymer with a narrow molecular weight distribution from 1.8 to 2.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.