Hydraulic tube plug remover
US4679315A · kind A · utility
10Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 6, 1986 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Jan 6, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53987
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hydraulic actuator (26) for removing a plug (14) from a tube (12) including tube gripping means (28, 32), the actuator having a double piston arrangement (38, 52), which when energized quickly and efficiently first causes the gripping means to positively grip the plug, and then thereafter remove the plug from the tube, all in one continuous motion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.