IT1077242B - Cavo elettrico protetto nei confronti dell'entrata e della circolazione di acqua nello stesso - Google Patents

Cavo elettrico protetto nei confronti dell'entrata e della circolazione di acqua nello stesso

Info

Publication number
IT1077242B
IT1077242B IT24545/77A IT2454577A IT1077242B IT 1077242 B IT1077242 B IT 1077242B IT 24545/77 A IT24545/77 A IT 24545/77A IT 2454577 A IT2454577 A IT 2454577A IT 1077242 B IT1077242 B IT 1077242B
Authority
IT
Italy
Prior art keywords
entry
circulation
water
same
protected against
Prior art date
Application number
IT24545/77A
Other languages
English (en)
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Application granted granted Critical
Publication of IT1077242B publication Critical patent/IT1077242B/it

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
    • 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
IT24545/77A 1976-06-14 1977-06-09 Cavo elettrico protetto nei confronti dell'entrata e della circolazione di acqua nello stesso IT1077242B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/695,845 US4002819A (en) 1976-06-14 1976-06-14 Water blocked electric cables

Publications (1)

Publication Number Publication Date
IT1077242B true IT1077242B (it) 1985-05-04

Family

ID=24794697

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24545/77A IT1077242B (it) 1976-06-14 1977-06-09 Cavo elettrico protetto nei confronti dell'entrata e della circolazione di acqua nello stesso

Country Status (10)

Country Link
US (1) US4002819A (it)
JP (1) JPS538786A (it)
CA (1) CA1011836A (it)
DE (1) DE2726398C2 (it)
ES (1) ES459758A1 (it)
FR (1) FR2355361A1 (it)
GB (1) GB1577531A (it)
IT (1) IT1077242B (it)
NL (1) NL7706518A (it)
SE (2) SE7706838L (it)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272300A (en) * 1978-08-11 1981-06-09 Reliable Electric Company Method for cleaning grease-filled cable stub
CA1079512A (en) * 1978-11-16 1980-06-17 Basil V.E. Walton Powdered telephone cable filling compound
US4238638A (en) * 1978-12-08 1980-12-09 Phillips Cables Ltd. Electric cable
US4319939A (en) * 1979-07-02 1982-03-16 Bell Telephone Laboratories, Incorporated Method for making cable having a built-in cable shield bonding system
US4308416A (en) * 1979-07-11 1981-12-29 Nl Industries, Inc. Water-tight electric cable
US4419157A (en) * 1980-05-13 1983-12-06 Industrie Pirelli Societa Per Azioni Process and apparatus for manufacturing telecommunication cables filled with expansible powder
EP0107433A3 (en) * 1982-10-21 1985-08-07 Northern Telecom Limited Manufacture of telecommunication cable
JPS6039609A (ja) * 1983-08-11 1985-03-01 Dainichi Nippon Cables Ltd 遮水形光フアイバケ−ブル
JPS6090314A (ja) * 1983-10-24 1985-05-21 Dainichi Nippon Cables Ltd 遮水形光フアイバケ−ブル
US5461195A (en) * 1986-03-26 1995-10-24 Waterguard Industries, Inc. Filled telecommunications cable having temperature stable mutual capacitance
US5218011A (en) * 1986-03-26 1993-06-08 Waterguard Industries, Inc. Composition for protecting the contents of an enclosed space from damage by invasive water
US4711022A (en) * 1986-03-26 1987-12-08 Freeman Clarence S Method for wire insulation
US5256705A (en) * 1986-03-26 1993-10-26 Waterguard Industries, Inc. Composition with tackifier for protecting communication wires
JPH07113695B2 (ja) * 1986-04-21 1995-12-06 住友電気工業株式会社 防水形光ケ−ブルおよびその製造方法
GB8704217D0 (en) * 1987-02-24 1987-04-01 British Telecomunications Plc Cables
JPS63241508A (ja) * 1987-03-30 1988-10-06 Sumitomo Electric Ind Ltd 光フアイバケ−ブル用止水テ−プ
DE3886355T2 (de) * 1987-06-09 1994-07-14 Nippon Catalytic Chem Ind Verfahren zur herstellung einer wassersperrenden verbindung und eines wassersperrenden bandes.
US4815813A (en) * 1987-10-30 1989-03-28 American Telephone And Telegraph Company Water resistant communications cable
US5082719A (en) * 1987-10-30 1992-01-21 At&T Bell Laboratories Water resistant communications cable
US4867526A (en) * 1987-10-30 1989-09-19 American Telephone And Telegraph Company, At&T Bell Laboratories Water resistant communications cable
US4909592A (en) * 1988-09-29 1990-03-20 American Telephone And Telegraph Company, At&T Bell Laboratories Communication cable having water blocking provisions in core
US5213893A (en) * 1990-09-14 1993-05-25 Nippon Shokubai Co., Ltd. Waterproofing agent for cable
US5321788A (en) * 1992-06-29 1994-06-14 At&T Bell Laboratories Optical fiber cable which includes waterblocking and freeze preventing provisions
US5410629A (en) * 1992-12-22 1995-04-25 At&T Corp. Optical fiber cable which includes waterblocking and freeze preventing provisions
JPH08185722A (ja) * 1994-12-28 1996-07-16 Sumitomo Wiring Syst Ltd 止水電線および該止水電線の製造方法
US6087000A (en) * 1997-12-18 2000-07-11 Ppg Industries Ohio, Inc. Coated fiber strands, composites and cables including the same and related methods
US6238791B1 (en) 1997-12-18 2001-05-29 Ppg Industries Ohio, Inc. Coated glass fibers, composites and methods related thereto
US7630605B2 (en) * 2007-06-26 2009-12-08 Corning Cable Systems Llc Optical fiber assemblies having relatively low-levels of water-swellable powder and methods therefor
US7916989B2 (en) 2008-07-31 2011-03-29 Corning Cable Systems Llc Optical fiber assemblies having a powder or powder blend at least partially mechanically attached
CN104407420B (zh) 2008-08-15 2019-06-11 康宁光缆系统有限公司 光缆及制造光缆的方法
CN105899988A (zh) * 2013-12-30 2016-08-24 康宁光电通信有限责任公司 具有套筒的光纤电缆
JP2017187659A (ja) * 2016-04-07 2017-10-12 住友電気工業株式会社 光ファイバテープ心線、光ファイバケーブル

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1540574C3 (de) * 1965-10-20 1974-06-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Längsdichtes Nachrichtenkabel mit kunststoffisolierten Adern
DE1690095B1 (de) * 1967-11-27 1971-02-25 Siemens Ag Nachrichtenkabel mit kunststoffisolierten adern
DE2006359B2 (de) * 1970-02-06 1975-08-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Nachrichtenkabel mit kunststoffisolierten Adern
DE2007163B2 (de) * 1970-02-17 1978-07-27 3000 Hannover Längswasserdichtes elektrisches Kabel
US3915888A (en) * 1970-11-06 1975-10-28 Raymond W Hoeppel Oil base gel having low viscosity before gelation and method for its preparation
US3711621A (en) * 1971-02-18 1973-01-16 Gen Cable Corp Moisture block in sheathed telephone cables
NL7117321A (it) * 1971-12-17 1973-06-19
US3903013A (en) * 1972-10-19 1975-09-02 Int Standard Electric Corp Water blocking gel composition
CA1005868A (en) * 1975-02-26 1977-02-22 Northern Electric Company Limited Water blocked electric cables

Also Published As

Publication number Publication date
ES459758A1 (es) 1978-04-01
DE2726398C2 (de) 1985-02-07
JPS538786A (en) 1978-01-26
SE7706838L (sv) 1977-12-15
US4002819A (en) 1977-01-11
NL7706518A (nl) 1977-12-16
GB1577531A (en) 1980-10-22
SE7902152L (sv) 1979-03-09
FR2355361A1 (fr) 1978-01-13
CA1011836A (en) 1977-06-07
FR2355361B1 (it) 1983-05-13
DE2726398A1 (de) 1977-12-22

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