Pipe threading arrangement
US6296231A · kind A · utility
0Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 28, 2000 |
| Grant date | Oct 2, 2001 |
| Priority date | — |
| Expiry date | Aug 28, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G1/086
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A pipe threading arrangement includes a launch body (13) and a parachute (15) within tube (12). The parachute is launched into pipe (2) via slide valve (1) and brings with it a threading cable (19). At a remote location within the pipe (2) the parachute is stopped by a catch arm (8) with associated catch finger (5). The parachute is deflated and retrieved, together with the threading cable, via the slide valve into the catch body (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.