Blast joint
US4141386A · kind A · utility
19Cited by
6References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jul 31, 1975 |
| Grant date | Feb 27, 1979 |
| Priority date | — |
| Expiry date | Jul 31, 1995 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L57/06
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention provides a blast joint which comprises basically an extended series of short cylindrical rings preferably rectangular in longitudinal axial section, composed of an abrasion resistant material such as cemented tungsten carbide, and disposed coaxially in contact with each other between end retaining rings mounted upon a supporting steel tube which comprises a single section or joined sections of a production tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.