RO116105B1 - Screw connection for tubes - Google Patents
Screw connection for tubesInfo
- Publication number
- RO116105B1 RO116105B1 RO97-01038A RO9701038A RO116105B1 RO 116105 B1 RO116105 B1 RO 116105B1 RO 9701038 A RO9701038 A RO 9701038A RO 116105 B1 RO116105 B1 RO 116105B1
- Authority
- RO
- Romania
- Prior art keywords
- screwed
- sleeve
- tenon
- truncated cone
- screw connection
- Prior art date
Links
Landscapes
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
- Joints With Pressure Members (AREA)
Abstract
The invention relates to a screw connection for tubes meant for various applications, such as in oil and natural gas production industry. According to the invention, the screw connection consists, in a first embodiment, of a screwed tenon (1) and a screwed sleeve (2), both provided with trapezoidal straight threads arranged on two concentric diameters and separated by a front stop. The interior extremity of the screwed sleeve (2) is provided with a circumferential groove (a) meant for the O-ring joint (3) and whose depth exceeds the level of the edge (b) of the tenon (1). A truncated cone-shaped surface (f) of the sleeve (2) performs the sealing through the contact thereof with an edge resulting from the intersection of some truncated cone-shaped surfaces (g and h) of the screwed tenon (1). A truncated cone-shaped surface (j) being in contact with another truncated cone-shaped surface (k) of the screwed tenon (1) is provided at the exterior extremity of the sleeve (2). In another embodiment, the claimed screw connection comprises a screwed tenon (4) and a screwed sleeve (5), the sealing thereof being achieved using an O-ring joint (6) at one end and a connection fixed on some truncated cone-shaped surfaces (q and r) at the other end. At the exterior extremity, the screwed sleeve (5) is provided with a circumferential groove (n) wherein an O-ring joint (7) is placed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO97-01038A RO116105B1 (en) | 1997-06-09 | 1997-06-09 | Screw connection for tubes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO97-01038A RO116105B1 (en) | 1997-06-09 | 1997-06-09 | Screw connection for tubes |
Publications (1)
Publication Number | Publication Date |
---|---|
RO116105B1 true RO116105B1 (en) | 2001-06-29 |
Family
ID=64360570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO97-01038A RO116105B1 (en) | 1997-06-09 | 1997-06-09 | Screw connection for tubes |
Country Status (1)
Country | Link |
---|---|
RO (1) | RO116105B1 (en) |
-
1997
- 1997-06-09 RO RO97-01038A patent/RO116105B1/en unknown
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