DE875056C - Telephone line - Google Patents

Telephone line

Info

Publication number
DE875056C
DE875056C DEF740D DEF0000740D DE875056C DE 875056 C DE875056 C DE 875056C DE F740 D DEF740 D DE F740D DE F0000740 D DEF0000740 D DE F0000740D DE 875056 C DE875056 C DE 875056C
Authority
DE
Germany
Prior art keywords
telephone line
rubber
tapes
polyvinyl chloride
insert
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
Application number
DEF740D
Other languages
German (de)
Inventor
Eugen Dr Schuerer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Felten and Guilleaume Carlswerk AG
Original Assignee
Felten and Guilleaume Carlswerk AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Felten and Guilleaume Carlswerk AG filed Critical Felten and Guilleaume Carlswerk AG
Priority to DEF740D priority Critical patent/DE875056C/en
Application granted granted Critical
Publication of DE875056C publication Critical patent/DE875056C/en
Expired legal-status Critical Current

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
    • H01B7/17—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

  • Insulating Bodies (AREA)

Description

Für-'öitsbewegliche--- Fernmeldeanlagen -..werden vielfach bleimantellose Leitungen benutzt. Derartige Leitungen bestehen beispielsweise aus einem Sternvierer, dessen einzelne Adern gummiisoliert. und über einen Gummikern verseht sind, einer die Zwickelräume ausfüllenden Gummiisolation und einem oder mehreren Gummimänteln als äußerer' Hülle Es zeigte sich, daß derartige Leitungen unter dem Einfluß der Witterung ihre Übertragungseigen= schaften infolge Wasseraufnahme bei feuchter Witterung erheblich ändern können.For-'öitsmobile --- telecommunication systems - ... are often lead-free Lines used. Such lines consist, for example, of a star quad, whose individual wires are rubber-insulated. and are fitted with a rubber core, one Rubber insulation filling the interstices and one or more rubber jackets as an outer 'shell It was found that such lines under the influence of the Weather their transmission properties as a result of water absorption in damp weather can change significantly.

Um diese Änderungen in kleinen Grenzen. zu halten; befindet sich nach der Erfindung in der Hülle der Fernsprechleitung eine Einlage aus Stoffen, die dem Durchtritt von Feuchtigkeit ein größeres Hindernis bieten als die Gummiisolation. Diese Einlage kann zwischen oder unter den Gummimänteln angebracht werden und aus überlappt. gewickelten und miteinander verschweißten Bändern aus Polyvinylchlorid, nachchloriertem .. Polyvinylchlorid oder ähnlichen feuchtigkeitshindernden Stoffen bestehen. Die Bänder können zu diesem Zweck um die Adern oder auf -den nahtlos gespritzten ersten Gummimantel gewickelt werden, worauf ein zweiter Gummimantel aufgespritzt und die ganze Leitung vulkanisiert wird. Hierbei sintern gleichzeitig die eingelegten Bänder an der Überlappung zusammen.To make these changes within small limits. to keep; is located after the invention in the shell of the telephone line an insert made of materials that the The penetration of moisture is a bigger obstacle than the rubber insulation. This insert can be placed between or under the rubber jackets and off overlaps. wrapped and welded tapes made of polyvinyl chloride, post-chlorinated .. polyvinyl chloride or similar moisture-preventing substances exist. For this purpose, the tapes can be molded around the veins or on the seamlessly first rubber jacket, whereupon a second rubber jacket is sprayed on and the whole pipe is vulcanized. The inlaid ones sinter at the same time Tapes together at the overlap.

Durch diese Einlage wird zwar der Feuchtigkeitsdurchtritt nicht vollkommen unterbunden, da durch alle bisher bekannten Kunststoffe eine gewisse Diffusion von Feuchtigkeit stattfindet, aber der Durchtritt wird stark verzögert, so daß der Fernsprechbetrieb auch bei feuchter Witterung längere .Zeit - aufrechterhalten werden kann als bisher.This insert does not allow moisture to penetrate completely prevented, since a certain diffusion of all plastics known to date Moisture takes place, but the passage is greatly delayed, so that telephone operation can be maintained for a longer time than before, even in damp weather.

Der Gegenstand der Erfindung ist in der Zeichnung. an einem Ausführungsbeispiel veranschaulicht. Über den mit Gummibeilauf c über dem Gummikern b verseilten Adern a des iSternvierers ist ein Gummimäntel d angebracht. Über diesen Gummimantel sind zwei Lagen Bänder e aus Polyvinylchlorid so gewickelt, daß sie einander überlappen und außerdem die Fugen der zweiten Lage die, der ersten überdecken. Die Bandlagen sind zusammengesintert, und darüber ist ein zweiter 1VIantel f aus Gummi angebracht.The object of the invention is in the drawing. in one embodiment illustrated. Via the cores stranded with rubber shim c over the rubber core b A rubber jacket d is attached to the iStern quad. About this rubber jacket are two layers of tapes e made of polyvinyl chloride wound so that they overlap each other and also the joints of the second layer cover those of the first. The tape layers are sintered together, and a second jacket made of rubber is attached over it.

Claims (1)

PATENTANSPRÜCHE: r. Fernsprechleitung für ortsbewegliche Fernmeldeanlagen mit einem oder mehreren Fernsprechpaaren und einer darüber angebrachten Hülle aus einer oder mehreren Gummischichten, dadurch gekennzeichnet, daß sich in oder unter der Hülle eine Einlage aus Polyvinylchlorid, nachchloriertem- Polyvinylchlorid oder ähnlichen feuchtigkeitshindernden Stoffen befindet. a. Fernsprechleitung nach Anspruch i, dadurch gekennzeichnet, daß die Einlage aus überlappt gewickelten und miteinander verschweißten Bändern besteht. 3. Verfahren zur Herstellung einer Fernsprechleitung nach Anspruch a, dadurch gekennzeichnet, daß die überlappt gewickelten Bänder gleichzeitig mit der Vulkanisation der Hülle zusammengeschweißt werden.PATENT CLAIMS: r. Telephone line for portable telecommunications systems with one or more pairs of telephones and a cover fitted over them one or more rubber layers, characterized in that in or under the shell an insert made of polyvinyl chloride, post-chlorinated polyvinyl chloride or similar moisture-blocking substances are located. a. Telephone line according to claim i, characterized in that the insert is made of overlapped and wound with each other welded tapes. 3. Method of making a telephone line according to claim a, characterized in that the tapes wound in an overlapping manner simultaneously be welded together with the vulcanization of the shell.
DEF740D 1938-09-07 1938-09-07 Telephone line Expired DE875056C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEF740D DE875056C (en) 1938-09-07 1938-09-07 Telephone line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF740D DE875056C (en) 1938-09-07 1938-09-07 Telephone line

Publications (1)

Publication Number Publication Date
DE875056C true DE875056C (en) 1953-04-30

Family

ID=7082516

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF740D Expired DE875056C (en) 1938-09-07 1938-09-07 Telephone line

Country Status (1)

Country Link
DE (1) DE875056C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2729999A1 (en) * 1977-07-02 1979-01-18 Kabel Metallwerke Ghh Core inlay for filling electric cable - is made simply from unreinforced string of specified shape-retaining elastic material, e.g. thermoplastic rubber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2729999A1 (en) * 1977-07-02 1979-01-18 Kabel Metallwerke Ghh Core inlay for filling electric cable - is made simply from unreinforced string of specified shape-retaining elastic material, e.g. thermoplastic rubber

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