GB1387095A - Filled communication cables with irradiated polyethylene insulation - Google Patents
Filled communication cables with irradiated polyethylene insulationInfo
- Publication number
- GB1387095A GB1387095A GB2042273A GB2042273A GB1387095A GB 1387095 A GB1387095 A GB 1387095A GB 2042273 A GB2042273 A GB 2042273A GB 2042273 A GB2042273 A GB 2042273A GB 1387095 A GB1387095 A GB 1387095A
- Authority
- GB
- United Kingdom
- Prior art keywords
- compound
- conductors
- tape
- insulation
- extruded
- 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
- 239000004698 Polyethylene Substances 0.000 title abstract 3
- 238000009413 insulation Methods 0.000 title abstract 3
- -1 polyethylene Polymers 0.000 title abstract 3
- 229920000573 polyethylene Polymers 0.000 title abstract 3
- 150000001875 compounds Chemical class 0.000 abstract 5
- 239000004020 conductor Substances 0.000 abstract 4
- 239000004033 plastic Substances 0.000 abstract 3
- 229920003023 plastic Polymers 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000004264 Petrolatum Substances 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- 238000004132 cross linking Methods 0.000 abstract 1
- 238000010894 electron beam technology Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229940066842 petrolatum Drugs 0.000 abstract 1
- 235000019271 petrolatum Nutrition 0.000 abstract 1
- 238000009877 rendering Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/32—Filling or coating with impervious material
- H01B13/322—Filling or coating with impervious material the material being a liquid, jelly-like or viscous substance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electric Cables (AREA)
Abstract
1387095 Filled cable GENERAL CABLE CORP 30 April 1973 20422/73 Heading H1A Polyethylene insulation of conductors 10a is partially cross-linked to prevent contact with the filling compound (58, Fig. 3, not shown), from rendering it liable to cracking when conductor ends are terminated. The compound (58) fills all the spaces inside an electrostatic shield 42. The cross-linking is produced by 5-15 megarads of electron beam irradiation after the insulation is extruded at 12 but before the conductors 10a are coated with compound at 22. The compound is preferably a petrolatum/ polyethylene mixture. The conductors 10a are compressed by a die 20 and held together by tapes 28 to form the cable core and then more compound is applied. Then a die 40 forms a lap seam (44) in a 200Ám thick corrugated Al tape 34 to produce the electrostatic shield 42. The tape 34 has an anti-corrosion plastics coating on both sides. Finally a plastics jacket 50 is extruded, the heat of extrusion melting the plastics coating on the tape 34 to stick the edges together at the seam (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2042273A GB1387095A (en) | 1973-04-30 | 1973-04-30 | Filled communication cables with irradiated polyethylene insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2042273A GB1387095A (en) | 1973-04-30 | 1973-04-30 | Filled communication cables with irradiated polyethylene insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1387095A true GB1387095A (en) | 1975-03-12 |
Family
ID=10145702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2042273A Expired GB1387095A (en) | 1973-04-30 | 1973-04-30 | Filled communication cables with irradiated polyethylene insulation |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1387095A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106961A (en) * | 1974-06-28 | 1978-08-15 | N.K.F. Kabel B.V. | Method of manufacturing a longitudinally watertight telecommunication cable |
| GB2236324A (en) * | 1989-09-27 | 1991-04-03 | Ass Elect Ind | Method of protecting bare overhead conductors |
| EP1728620A3 (en) * | 2005-05-30 | 2007-12-12 | Gramm Mogensen Holding A/S | Arrangement for manufacturing a mult-pipe element |
| CN114843045A (en) * | 2022-06-10 | 2022-08-02 | 江西南远电缆有限公司 | Composite cable and production equipment thereof |
-
1973
- 1973-04-30 GB GB2042273A patent/GB1387095A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106961A (en) * | 1974-06-28 | 1978-08-15 | N.K.F. Kabel B.V. | Method of manufacturing a longitudinally watertight telecommunication cable |
| GB2236324A (en) * | 1989-09-27 | 1991-04-03 | Ass Elect Ind | Method of protecting bare overhead conductors |
| EP1728620A3 (en) * | 2005-05-30 | 2007-12-12 | Gramm Mogensen Holding A/S | Arrangement for manufacturing a mult-pipe element |
| CN114843045A (en) * | 2022-06-10 | 2022-08-02 | 江西南远电缆有限公司 | Composite cable and production equipment thereof |
| CN114843045B (en) * | 2022-06-10 | 2022-11-25 | 江西南远电缆有限公司 | Composite cable and production equipment thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |