Apparatus for severing tubular members
US4787315A · kind A · utility
14Cited by
5References
19Claims
0Family size
Inventor
Key dates
| Filing date | Aug 31, 1987 |
| Grant date | Nov 29, 1988 |
| Priority date | — |
| Expiry date | Aug 31, 2007 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02B2017/0052
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to an apparatus for explosively severing tubular members at a pre-designated severance level. The apparatus is designed to deliver a detonation signal to a ring-shaped explosive charge, to an annularly formed detonation signal receiving locations, so that explosion takes place substantially simultaneously about the circumference of the explosive charge about internal periphery of the tubular member at the severance level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.