Collar forming machine for submerged pipelines
US4444527A · kind A · utility
5Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1982 |
| Grant date | Apr 24, 1984 |
| Priority date | — |
| Expiry date | Jun 3, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/5367
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A collar forming machine for the repair of submerged pipelines is provided comprising a forming module having the central shaft (10) passing through the body (12) of a main jack, a piston (18) sliding on the shaft and carrying at its end a forming punch (13), the shaft carrying in its part intended to penetrate inside the tube to be repaired internal locking means (14) to be forcefully applied to the inner face of the wall of the tube and capable of transferring the forming force to the tube itself, further comprising external locking means (17) applied to the external face of the wall of the tube to prevent deformation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.