Dog locking sleeve
US4412559A · kind A · utility
4Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 1982 |
| Grant date | Nov 1, 1983 |
| Priority date | — |
| Expiry date | Jul 9, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L55/136
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A retrievable plug having a dog locking sleeve which has extensions thereon to increase the effective axial length thereof to eliminate binding of the dog locking sleeve within the plug mandrel during actuation of the plug body for the removal of the plug body from the member in which it is installed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.