GB1307796A - Communications cables - Google Patents
Communications cablesInfo
- Publication number
- GB1307796A GB1307796A GB2401471A GB2401471A GB1307796A GB 1307796 A GB1307796 A GB 1307796A GB 2401471 A GB2401471 A GB 2401471A GB 2401471 A GB2401471 A GB 2401471A GB 1307796 A GB1307796 A GB 1307796A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core
- plastics
- metal casing
- indentations
- wires
- 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
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
Landscapes
- Insulated Conductors (AREA)
Abstract
1307796 Electric cables SIEMENS AG 19 April 1971 [4 June 1970] 24014/71 Heading H1A A communications cable 1 has indentations of depth not greater than 0À5 mm. in a closed metal casing 5 which surrounds a core 2. Core 2 comprises wires insulated with synthetic plastics material, and the spaces between the separate wires and between the wires and the metal casing are filled with a mass of sealing material 3. The metal casing 5 may be of aluminium or copper and may be applied directly, for example, as a metal tape applied helically or longitudinally. Alternatively it may have a plastics coating on one or both sides or it may be embedded in a plastics coating. The indentations may be circumferential or helical corrugations or they may be "cup-shaped". The filling material 3 may be a mixture of microcrystalline petroleum waxes and oils, or polyethylene. A core wire covering 4 of textile, plastics, or paper tape is wound on the core. Metal casing 5 consisting of aluminium or copper foil coated on both sides with plastics material is indented and surrounded by a polyethylene casing 6. A device for producing the indentations comprises eight or more indentation wheels arranged in groups of 4, the wheels of each group being uniformly spaced at 90 degrees from each other about an axis the groups being displaced along the axis.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702028286 DE2028286B2 (en) | 1970-06-04 | 1970-06-04 | LONGITUDINAL MESSAGE CABLE WITH PLASTIC-INSULATED CORES |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1307796A true GB1307796A (en) | 1973-02-21 |
Family
ID=5773449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2401471A Expired GB1307796A (en) | 1970-06-04 | 1971-04-19 | Communications cables |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT306134B (en) |
DE (1) | DE2028286B2 (en) |
FR (1) | FR2094023B1 (en) |
GB (1) | GB1307796A (en) |
NL (1) | NL7104240A (en) |
TR (1) | TR16597A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4497537A (en) * | 1983-06-09 | 1985-02-05 | Bicc Public Limited Company | Electric and/or optical cable |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4002094A1 (en) * | 1990-01-25 | 1991-08-01 | Kabelmetal Electro Gmbh | Waterproof multi-core insulated cable - has elastomer-insulated conductors and centre polymer thread core enveloped in flexible crosslinked sealing polymer |
-
1970
- 1970-06-04 DE DE19702028286 patent/DE2028286B2/en active Pending
-
1971
- 1971-02-22 AT AT151271A patent/AT306134B/en not_active IP Right Cessation
- 1971-03-30 NL NL7104240A patent/NL7104240A/xx unknown
- 1971-04-19 GB GB2401471A patent/GB1307796A/en not_active Expired
- 1971-04-26 FR FR7114813A patent/FR2094023B1/fr not_active Expired
- 1971-06-04 TR TR1659771A patent/TR16597A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4497537A (en) * | 1983-06-09 | 1985-02-05 | Bicc Public Limited Company | Electric and/or optical cable |
Also Published As
Publication number | Publication date |
---|---|
DE2028286B2 (en) | 1971-10-14 |
AT306134B (en) | 1973-03-26 |
TR16597A (en) | 1973-01-01 |
FR2094023A1 (en) | 1972-02-04 |
FR2094023B1 (en) | 1975-01-17 |
NL7104240A (en) | 1971-12-07 |
DE2028286A1 (en) | 1971-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |