Installing a pipe in an existing pipeline
US6062264A · kind A · utility
9Cited by
8References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 28, 1998 |
| Grant date | May 16, 2000 |
| Priority date | — |
| Expiry date | May 28, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L55/165
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A seal is fed into an existing pipe. Manipulation of an elongate assembly deploys the seal and engages the seal body with the end of the pipe. A plastic pipe is advanced into the pipe, and the space between the existing pipe and the plastic pipe is filled with sealant. The elongate assembly is withdrawn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.