Device and system for pulling a compressed pipe liner into a host pipe
US9322502B2 · kind B2 · utility
0Cited by
18References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 14, 2014 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | May 17, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L21/08
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Systems and methods for pulling a pipe liner through a host pipe comprising a pulling head with a number of fingers having flexion points which move from an open orientation to a closed position when the pulling head is placed under tension from winch to thread a pipe liner through a host pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.