Apparatus for pipeline construction
US6321778A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1998 |
| Grant date | Nov 27, 2001 |
| Priority date | — |
| Expiry date | Apr 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/66
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An apparatus for pipeline construction comprises a constructing means located on the lower part of the apparatus, which includes a chest and a unit for completing the operation of construction; a feeding means located on the upper part of the apparatus, which drives the constructing means to rotate and to approach to the constructed pipe, and which includes a main shaft having a central hole, a rod placed in the central hole, a drive means as well as a rod feeding means; a base of the apparatus, the bottom of the base and the top face of the base are detachably connected with the feeding means and the constructing means respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.