IT1136683B - Procedimento per il miglioramento della tenuta stagna longitudinale di cavi per telecomunicazioni - Google Patents
Procedimento per il miglioramento della tenuta stagna longitudinale di cavi per telecomunicazioniInfo
- Publication number
- IT1136683B IT1136683B IT22434/81A IT2243481A IT1136683B IT 1136683 B IT1136683 B IT 1136683B IT 22434/81 A IT22434/81 A IT 22434/81A IT 2243481 A IT2243481 A IT 2243481A IT 1136683 B IT1136683 B IT 1136683B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- procedure
- telecommunications cables
- waterproofing
- longitudinal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
-
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Ropes Or Cables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8016299A FR2487107A1 (fr) | 1980-07-21 | 1980-07-21 | Procede d'amelioration de l'etancheite longitudinale de cables de telecommunications |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8122434A0 IT8122434A0 (it) | 1981-06-19 |
IT1136683B true IT1136683B (it) | 1986-09-03 |
Family
ID=9244468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22434/81A IT1136683B (it) | 1980-07-21 | 1981-06-19 | Procedimento per il miglioramento della tenuta stagna longitudinale di cavi per telecomunicazioni |
Country Status (11)
Country | Link |
---|---|
AR (1) | AR226901A1 (it) |
AU (1) | AU7273581A (it) |
BR (1) | BR8104681A (it) |
DE (1) | DE3128779A1 (it) |
ES (1) | ES8205075A1 (it) |
FR (1) | FR2487107A1 (it) |
GB (1) | GB2080998A (it) |
IT (1) | IT1136683B (it) |
NO (1) | NO812490L (it) |
PT (1) | PT74381B (it) |
SE (1) | SE8104460L (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2566955A1 (fr) * | 1984-06-29 | 1986-01-03 | Cables De Lyon Geoffroy Delore | Materiau composite d'etancheite pour cable electrique, et procede pour sa fabrication |
GB8422458D0 (en) * | 1984-09-05 | 1984-10-10 | Telephone Cables Ltd | Cables |
GB8425378D0 (en) * | 1984-10-08 | 1984-11-14 | Ass Elect Ind | Electrical cables |
FR2575110B1 (fr) * | 1984-12-21 | 1987-10-16 | Intissel Sa | Materiau composite hydroexpansible, sa preparation et composition pour la mise en oeuvre de celle-ci, ainsi que ses utilisations |
US5256705A (en) * | 1986-03-26 | 1993-10-26 | Waterguard Industries, Inc. | Composition with tackifier for protecting communication wires |
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 |
US5461195A (en) * | 1986-03-26 | 1995-10-24 | Waterguard Industries, Inc. | Filled telecommunications cable having temperature stable mutual capacitance |
US4963695A (en) * | 1986-05-16 | 1990-10-16 | Pirelli Cable Corporation | Power cable with metallic shielding tape and water swellable powder |
GB8704938D0 (en) * | 1987-03-03 | 1987-04-08 | Bp Chem Int Ltd | Cables |
BR8807482A (pt) * | 1987-05-01 | 1990-03-27 | Clarence S Freeman | Composicao para proteger os fios de telecomunicacoes e composicao para proteger cabos que transportam corrente continua contra dano por agua |
US5010209A (en) * | 1988-12-20 | 1991-04-23 | Pirelli Cable Corp. | Power cable with water swellable agents and elongated metal elements outside cable insulation |
NL9001960A (nl) * | 1989-09-07 | 1991-04-02 | Felten & Guilleaume Energie | Droogmiddel voor het verwijderen van de laatste waterresten uit een gesloten afgewerkt produkt, in het bijzonder uit een hoogspanningskabel. |
US7087842B2 (en) * | 1999-12-20 | 2006-08-08 | Pirelli Cavi E Sistemi S.P.A. | Electric cable resistant to water penetration |
ES2346652T3 (es) * | 2004-03-10 | 2010-10-19 | Nexans | Recubrimiento de cableado de multiples hilos. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE795126A (fr) * | 1972-04-01 | 1973-05-29 | Kerpenwerk G M B H & Co | Matiere pour l'etancheification, en particulier de cables electriques, dans le sens longitudinal |
ES202111Y (es) * | 1974-04-06 | 1976-11-01 | Standard Electrica, S. A. | Mejoras en cables electricos protegidos contra la penetra- cion de agua. |
ZA786576B (en) * | 1978-11-22 | 1980-02-27 | South African Inventions | Waterproofing or insulated electric cables |
-
1980
- 1980-07-21 FR FR8016299A patent/FR2487107A1/fr not_active Withdrawn
-
1981
- 1981-06-19 IT IT22434/81A patent/IT1136683B/it active
- 1981-06-26 AR AR285873A patent/AR226901A1/es active
- 1981-06-30 ES ES503522A patent/ES8205075A1/es not_active Expired
- 1981-07-10 AU AU72735/81A patent/AU7273581A/en not_active Abandoned
- 1981-07-20 GB GB8122308A patent/GB2080998A/en not_active Withdrawn
- 1981-07-20 SE SE8104460A patent/SE8104460L/ not_active Application Discontinuation
- 1981-07-20 NO NO812490A patent/NO812490L/no unknown
- 1981-07-21 DE DE19813128779 patent/DE3128779A1/de not_active Withdrawn
- 1981-07-21 BR BR8104681A patent/BR8104681A/pt unknown
-
1982
- 1982-02-03 PT PT74381A patent/PT74381B/pt unknown
Also Published As
Publication number | Publication date |
---|---|
DE3128779A1 (de) | 1982-04-29 |
ES503522A0 (es) | 1982-06-01 |
PT74381A (fr) | 1982-03-01 |
PT74381B (fr) | 1983-09-27 |
AR226901A1 (es) | 1982-08-31 |
FR2487107A1 (fr) | 1982-01-22 |
GB2080998A (en) | 1982-02-10 |
ES8205075A1 (es) | 1982-06-01 |
BR8104681A (pt) | 1982-04-06 |
SE8104460L (sv) | 1982-01-22 |
IT8122434A0 (it) | 1981-06-19 |
AU7273581A (en) | 1982-09-16 |
NO812490L (no) | 1982-01-22 |
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