BR8404735A - Junta tubular com fecho hermetico de metal com metal de detencao em um ponto intermedio - Google Patents
Junta tubular com fecho hermetico de metal com metal de detencao em um ponto intermedioInfo
- Publication number
- BR8404735A BR8404735A BR8404735A BR8404735A BR8404735A BR 8404735 A BR8404735 A BR 8404735A BR 8404735 A BR8404735 A BR 8404735A BR 8404735 A BR8404735 A BR 8404735A BR 8404735 A BR8404735 A BR 8404735A
- Authority
- BR
- Brazil
- Prior art keywords
- metal
- detention
- intermediate point
- tubular joint
- hermetic
- Prior art date
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/458,733 US4570982A (en) | 1983-01-17 | 1983-01-17 | Tubular joint with trapped mid-joint metal-to-metal seal |
PCT/US1984/000038 WO1984002947A1 (en) | 1983-01-17 | 1984-01-13 | Tubular joint with trapped mid-joint metal to metal seal |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8404735A true BR8404735A (pt) | 1984-12-26 |
Family
ID=26770020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8404735A BR8404735A (pt) | 1983-01-17 | 1984-01-13 | Junta tubular com fecho hermetico de metal com metal de detencao em um ponto intermedio |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR8404735A (pt) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108868658A (zh) * | 2018-06-28 | 2018-11-23 | 无锡西姆莱斯石油专用管制造有限公司 | 一种具有多重密封面螺纹正角度的套管螺纹接头 |
-
1984
- 1984-01-13 BR BR8404735A patent/BR8404735A/pt not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108868658A (zh) * | 2018-06-28 | 2018-11-23 | 无锡西姆莱斯石油专用管制造有限公司 | 一种具有多重密封面螺纹正角度的套管螺纹接头 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 13/01/99 |