Device for extending or shortening a network of pipes
US6854952B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 15, 2001 |
| Grant date | Feb 15, 2005 |
| Priority date | — |
| Expiry date | Jun 6, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/15
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In a device for extending and shortening tubings used to transport drill cuttings and stripped material, a tube storage or tube magazine is provided on a frame (1) capable of being supported on the floor, wherein at least one lifting means (3) capable of being displaced in the height direction and intended to lift tubes (17) into a storage position as well as at least one manipulator (13) intended to position a tube removed from the tube storage into a position in alignment with a laid tube track are arranged on the frame (1). The frame includes at least one longitudinal guide (5) for a telescoping tube (7) that is capable of being integrated in the tube track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.