DE68912047D1 - Nachrichtenkabel mit Wassersperrvorrichtungen im Kern. - Google Patents

Nachrichtenkabel mit Wassersperrvorrichtungen im Kern.

Info

Publication number
DE68912047D1
DE68912047D1 DE89309786T DE68912047T DE68912047D1 DE 68912047 D1 DE68912047 D1 DE 68912047D1 DE 89309786 T DE89309786 T DE 89309786T DE 68912047 T DE68912047 T DE 68912047T DE 68912047 D1 DE68912047 D1 DE 68912047D1
Authority
DE
Germany
Prior art keywords
core
communication cable
water blocking
blocking devices
devices
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 - Lifetime
Application number
DE89309786T
Other languages
English (en)
Other versions
DE68912047T2 (de
Inventor
Candido J Arroyo
Paul F Gagen
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22949603&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68912047(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of DE68912047D1 publication Critical patent/DE68912047D1/de
Publication of DE68912047T2 publication Critical patent/DE68912047T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G02B6/4432—Protective covering with fibre reinforcements
    • G02B6/4433—Double reinforcement laying in straight line with optical transmission element
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/4435—Corrugated mantle
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • G02B6/56—Processes for repairing optical cables
    • G02B6/562—Processes for repairing optical cables locatable, e.g. using magnetic means
DE89309786T 1988-09-29 1989-09-26 Nachrichtenkabel mit Wassersperrvorrichtungen im Kern. Expired - Lifetime DE68912047T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/250,897 US4909592A (en) 1988-09-29 1988-09-29 Communication cable having water blocking provisions in core

Publications (2)

Publication Number Publication Date
DE68912047D1 true DE68912047D1 (de) 1994-02-17
DE68912047T2 DE68912047T2 (de) 1994-04-28

Family

ID=22949603

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89309786T Expired - Lifetime DE68912047T2 (de) 1988-09-29 1989-09-26 Nachrichtenkabel mit Wassersperrvorrichtungen im Kern.

Country Status (8)

Country Link
US (1) US4909592A (de)
EP (1) EP0361863B1 (de)
JP (1) JP2726714B2 (de)
KR (1) KR0139539B1 (de)
CA (1) CA1329241C (de)
DE (1) DE68912047T2 (de)
DK (1) DK170188B1 (de)
ES (1) ES2047680T3 (de)

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Also Published As

Publication number Publication date
DE68912047T2 (de) 1994-04-28
JPH02155122A (ja) 1990-06-14
CA1329241C (en) 1994-05-03
EP0361863A1 (de) 1990-04-04
EP0361863B1 (de) 1994-01-05
KR900005493A (ko) 1990-04-14
US4909592A (en) 1990-03-20
DK478789A (da) 1990-03-30
DK170188B1 (da) 1995-06-06
JP2726714B2 (ja) 1998-03-11
ES2047680T3 (es) 1994-03-01
KR0139539B1 (ko) 1998-07-01
DK478789D0 (da) 1989-09-28

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