GB520999A - Improvements in or relating to submarine cables - Google Patents
Improvements in or relating to submarine cablesInfo
- Publication number
- GB520999A GB520999A GB32032/38A GB3203238A GB520999A GB 520999 A GB520999 A GB 520999A GB 32032/38 A GB32032/38 A GB 32032/38A GB 3203238 A GB3203238 A GB 3203238A GB 520999 A GB520999 A GB 520999A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- cables
- cable
- wormings
- submarine
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/14—Submarine cables
Landscapes
- Insulated Conductors (AREA)
Abstract
520,999. Submarine cables. STANDARD TELEPHONES & CABLES, Ltd., SCOTT, T. R., and WESTON, W. K. Nov. 4, 1938, No. 32032. [Class 36] In a submarine cable, the insulation comprises a water-responsive material which, when brought into contact with water, as through a break, undergoes a change of state which tends to minimize the flow of water along the cable. Materials which swell, such as gelatine or agar agar, or materials which dissolve in the water and increase its viscosity, such as methyl cellulose, or admixtures thereof may be used. In cables having additional packings in the form of wormings between pairs or quads, one, some or all of the wormings may be replaced by one or more rods, tubes or tapes of the waterresponsive material. In low capacity cables for carrier operation with relatively large conductors, wormings of the material may be placed between the conductors. For an airspace high frequency cable, e.g. coaxial, screened pair or screened quad, some or all of the spacing means, such as discs or helices, may be of the water-responsive material ; such a cable mav also have inside the outer conductor a tube of such material. Specification 459,518 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB32032/38A GB520999A (en) | 1938-11-04 | 1938-11-04 | Improvements in or relating to submarine cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB32032/38A GB520999A (en) | 1938-11-04 | 1938-11-04 | Improvements in or relating to submarine cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB520999A true GB520999A (en) | 1940-05-09 |
Family
ID=10332044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32032/38A Expired GB520999A (en) | 1938-11-04 | 1938-11-04 | Improvements in or relating to submarine cables |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB520999A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2507508A (en) * | 1944-11-11 | 1950-05-16 | Myron A Elliott | Water sealing cable construction |
| US4326094A (en) * | 1978-11-22 | 1982-04-20 | South African Inventions Development Corporation | Waterproofing of insulated electric cables |
| GB2164198A (en) * | 1984-09-05 | 1986-03-12 | Telephone Cables Ltd | Cables |
| EP1347353A1 (en) * | 2000-11-29 | 2003-09-24 | Japan Science and Technology Corporation | Flow control method for micro system |
-
1938
- 1938-11-04 GB GB32032/38A patent/GB520999A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2507508A (en) * | 1944-11-11 | 1950-05-16 | Myron A Elliott | Water sealing cable construction |
| US4326094A (en) * | 1978-11-22 | 1982-04-20 | South African Inventions Development Corporation | Waterproofing of insulated electric cables |
| GB2164198A (en) * | 1984-09-05 | 1986-03-12 | Telephone Cables Ltd | Cables |
| EP1347353A1 (en) * | 2000-11-29 | 2003-09-24 | Japan Science and Technology Corporation | Flow control method for micro system |
| EP1347353A4 (en) * | 2000-11-29 | 2004-12-08 | Japan Science & Tech Agency | Flow control method for micro system |
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