Lubrication and self-cleaning system for expansion mandrel
US6557640B1 · kind B1 · utility
118Cited by
236References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2000 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Jun 7, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L15/003
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An expansion mandrel includes a lubrication system for lubricating the trailing edge portion of the interface between the expansion mandrel and a tubular member during the radial expansion of the tubular member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.