Pipe liner
US6634675B2 · kind B2 · utility
16Cited by
20References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 18, 1999 |
| Grant date | Oct 21, 2003 |
| Priority date | — |
| Expiry date | Mar 20, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L55/165
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pipe liner for lining an existing pipe. The pipe liner includes a first elongated portion of plastic material and a second portion extending from the elongated portion with a flexibility which is greater than the elongated portion. The additional flexibility assist the liner in its insertion through an existing pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.