AT326431B - Elektrisch isolierende rohrverbindung - Google Patents
Elektrisch isolierende rohrverbindungInfo
- Publication number
- AT326431B AT326431B AT188673A AT188673A AT326431B AT 326431 B AT326431 B AT 326431B AT 188673 A AT188673 A AT 188673A AT 188673 A AT188673 A AT 188673A AT 326431 B AT326431 B AT 326431B
- Authority
- AT
- Austria
- Prior art keywords
- electrically insulating
- pipe connection
- insulating pipe
- connection
- electrically
- Prior art date
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—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/02—Electrically insulating joints or couplings
- F16L25/023—Electrically insulating joints or couplings 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
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 |
---|---|
ATA188673A ATA188673A (de) | 1975-02-15 |
AT326431B true AT326431B (de) | 1975-12-10 |
Family
ID=5837985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT188673A AT326431B (de) | 1972-03-04 | 1973-03-02 | Elektrisch isolierende rohrverbindung |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT326431B (de) |
CH (1) | CH549177A (de) |
DE (1) | DE2210612A1 (de) |
FR (1) | FR2174955B1 (de) |
GB (1) | GB1359445A (de) |
NL (1) | NL7302909A (de) |
Families Citing this family (11)
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 |
FR2586078B1 (fr) * | 1985-08-07 | 1988-05-06 | Telecommunications Sa | Dispositif de raccordement pour systeme d'alimentation en fluide |
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 |
CA2151525C (en) | 1995-06-12 | 2002-12-31 | Marvin L. Holbert | Subsurface signal transmitting apparatus |
US7252160B2 (en) | 1995-06-12 | 2007-08-07 | Weatherford/Lamb, Inc. | Electromagnetic gap sub assembly |
US6315497B1 (en) | 1995-12-29 | 2001-11-13 | Shell Oil Company | Joint for applying current across a pipe-in-pipe system |
US6264401B1 (en) | 1995-12-29 | 2001-07-24 | Shell Oil Company | Method for enhancing the flow of heavy crudes through subsea pipelines |
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 |
CA2509819C (en) | 2004-06-14 | 2009-08-11 | Weatherford/Lamb, Inc. | Methods and apparatus for reducing electromagnetic signal noise |
Family Cites Families (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 |
-
1972
- 1972-03-04 DE DE19722210612 patent/DE2210612A1/de active Pending
-
1973
- 1973-02-23 CH CH267973A patent/CH549177A/de not_active IP Right Cessation
- 1973-02-23 GB GB912173A patent/GB1359445A/en not_active Expired
- 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
Also Published As
Publication number | Publication date |
---|---|
FR2174955B1 (de) | 1977-04-22 |
GB1359445A (en) | 1974-07-10 |
ATA188673A (de) | 1975-02-15 |
DE2210612A1 (de) | 1973-09-20 |
FR2174955A1 (de) | 1973-10-19 |
CH549177A (de) | 1974-05-15 |
NL7302909A (de) | 1973-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |