Systems and apparatus for inhibiting a compressed pipe liner from retreating into a host pipe
US9377149B2 · kind B2 · utility
0Cited by
27References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 12, 2014 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Mar 12, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C63/46
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A lock block for attaching to a diameter-reduced pipe liner pulled through a host pipe which braces the pipe liner and inhibits it from fully retreating into the host pipe when longitudinal tension is reduced and the pipe liner experiences length reduction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.