FR2174955A1 - - Google Patents
Info
- Publication number
- FR2174955A1 FR2174955A1 FR7307590A FR7307590A FR2174955A1 FR 2174955 A1 FR2174955 A1 FR 2174955A1 FR 7307590 A FR7307590 A FR 7307590A FR 7307590 A FR7307590 A FR 7307590A FR 2174955 A1 FR2174955 A1 FR 2174955A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
- F16L25/02—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00 specially adapted for electrically insulating the two pipe ends of the joint from each other
- F16L25/023—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00 specially adapted for electrically insulating the two pipe ends of the joint from each other for joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722210612 DE2210612A1 (de) | 1972-03-04 | 1972-03-04 | Elektrisch isolierende rohrverbindung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2174955A1 true FR2174955A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-10-19 |
| FR2174955B1 FR2174955B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-04-22 |
Family
ID=5837985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7307590A Expired FR2174955B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-03-04 | 1973-03-02 |
Country Status (6)
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2586078A1 (fr) * | 1985-08-07 | 1987-02-13 | Telecommunications Sa | Dispositif de raccordement pour systeme d'alimentation en fluide |
| WO1996041931A3 (en) * | 1995-06-12 | 1997-02-27 | Mcallister Petroleum Services | Subsurface signal transmitting apparatus |
| US7243028B2 (en) | 2004-06-14 | 2007-07-10 | Weatherford/Lamb, Inc. | Methods and apparatus for reducing electromagnetic signal noise |
| US7252160B2 (en) | 1995-06-12 | 2007-08-07 | Weatherford/Lamb, Inc. | Electromagnetic gap sub assembly |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2381229A1 (fr) * | 1977-02-21 | 1978-09-15 | Kleber Colombes | Isolation electrique des brides metalliques de tuyaux |
| US4848804A (en) * | 1987-04-03 | 1989-07-18 | Cajon Company | Dielectric coupling |
| DE4029763A1 (de) * | 1990-09-20 | 1992-03-26 | Gok Gmbh & Co Kg | Isolierverbindungsstueck fuer rohrleitungen |
| US6264401B1 (en) | 1995-12-29 | 2001-07-24 | Shell Oil Company | Method for enhancing the flow of heavy crudes through subsea pipelines |
| US6315497B1 (en) | 1995-12-29 | 2001-11-13 | Shell Oil Company | Joint for applying current across a pipe-in-pipe system |
| US6707012B2 (en) | 2001-07-20 | 2004-03-16 | Shell Oil Company | Power supply for electrically heated subsea pipeline |
| US6814146B2 (en) | 2001-07-20 | 2004-11-09 | Shell Oil Company | Annulus for electrically heated pipe-in-pipe subsea pipeline |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3115354A (en) * | 1959-12-15 | 1963-12-24 | Mueller Co | Insulated pipe coupling |
| FR1475743A (fr) * | 1966-01-18 | 1967-04-07 | Joint isolant pour la protection cathodique des canalisations | |
| GB1104024A (en) * | 1964-04-09 | 1968-02-21 | English Electric Co Ltd | Improvements in electrically insulating connector devices |
-
1972
- 1972-03-04 DE DE19722210612 patent/DE2210612A1/de active Pending
-
1973
- 1973-02-23 GB GB912173A patent/GB1359445A/en not_active Expired
- 1973-02-23 CH CH267973A patent/CH549177A/xx not_active IP Right Cessation
- 1973-03-01 NL NL7302909A patent/NL7302909A/xx not_active Application Discontinuation
- 1973-03-02 FR FR7307590A patent/FR2174955B1/fr not_active Expired
- 1973-03-02 AT AT188673A patent/AT326431B/de not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3115354A (en) * | 1959-12-15 | 1963-12-24 | Mueller Co | Insulated pipe coupling |
| GB1104024A (en) * | 1964-04-09 | 1968-02-21 | English Electric Co Ltd | Improvements in electrically insulating connector devices |
| FR1475743A (fr) * | 1966-01-18 | 1967-04-07 | Joint isolant pour la protection cathodique des canalisations |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2586078A1 (fr) * | 1985-08-07 | 1987-02-13 | Telecommunications Sa | Dispositif de raccordement pour systeme d'alimentation en fluide |
| WO1996041931A3 (en) * | 1995-06-12 | 1997-02-27 | Mcallister Petroleum Services | Subsurface signal transmitting apparatus |
| AU705493B2 (en) * | 1995-06-12 | 1999-05-27 | Weatherford Technology Holdings, Llc | Subsurface signal transmitting apparatus |
| US6209632B1 (en) | 1995-06-12 | 2001-04-03 | Marvin L. Holbert | Subsurface signal transmitting apparatus |
| US6405795B2 (en) | 1995-06-12 | 2002-06-18 | Weatherford/Lamb, Inc. | Subsurface signal transmitting apparatus |
| US6672383B2 (en) | 1995-06-12 | 2004-01-06 | Weatherford/Lamb, Inc. | Subsurface signal transmitting apparatus |
| US7093680B2 (en) | 1995-06-12 | 2006-08-22 | Weatherford/Lamb, Inc. | Subsurface signal transmitting apparatus |
| US7252160B2 (en) | 1995-06-12 | 2007-08-07 | Weatherford/Lamb, Inc. | Electromagnetic gap sub assembly |
| US7243028B2 (en) | 2004-06-14 | 2007-07-10 | Weatherford/Lamb, Inc. | Methods and apparatus for reducing electromagnetic signal noise |
Also Published As
| Publication number | Publication date |
|---|---|
| AT326431B (de) | 1975-12-10 |
| CH549177A (de) | 1974-05-15 |
| FR2174955B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-04-22 |
| NL7302909A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-09-07 |
| GB1359445A (en) | 1974-07-10 |
| DE2210612A1 (de) | 1973-09-20 |
| ATA188673A (de) | 1975-02-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |