WO2001045223A1 - Aerial line installation - Google Patents
Aerial line installation Download PDFInfo
- Publication number
- WO2001045223A1 WO2001045223A1 PCT/GB2000/004799 GB0004799W WO0145223A1 WO 2001045223 A1 WO2001045223 A1 WO 2001045223A1 GB 0004799 W GB0004799 W GB 0004799W WO 0145223 A1 WO0145223 A1 WO 0145223A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- installation
- line
- suspension
- rotatable
- mechanical protection
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
Definitions
- This invention relates to an installation comprising an aerial line
- locations provide paths to the line for animals, such as rodents, which may
- An object of the invention is to prevent rodents and other animals from
- the invention provides an installation comprising an aerial
- bodies are provided on said structures and/or said line adjacent thereto at said
- the body will rotate causing the animal to fall.
- the line may be provided with
- the line is
- said mechanical protection extending between a respective said
- said mechanical protection is metallic and at earth potential
- a friction reducing arrangement may be provided to assist rotation of
- At least one, and preferably each, of the rotatable bodies may comprise axially extending portions fitted together. At least one, and preferably each, of the rotatable bodies may be hollow.
- At least one, and preferably each, of the rotatable bodies may comprise a substantially spherical body.
- each body may comprise a substantially ellipsoidal body or a tubular sleeve.
- the line may comprise a plastics sheath for an optical fibre unit comprising at least one optical fibre which unit is either sheathed by the sheath during manufacture or inserted into the sheath, for example by blowing, after the sheath has been installed in the installation.
- the line may comprise an all-dielectric self-supporting cable.
- Figure 1 schematically illustrates part of an aerial line installation
- Figure 2 is a schematic cross-section showing rotatable bodies
- Figure 3 is a schematic view taken along the line ffl-i ⁇ in Figure 2;
- Body 20 is substantially
- body 22 is substantially ellipsoidal like an
- the rotatable bodies are rotatable about substantially horizontal axes 20A,
- the substantially spherical shape is presently preferred but shapes other
- body may comprise a tubular sleeve fitted over the line adjacent the
- This layer is typically
- a clamp 26 of the suspension device 13 is clamped to the layer of
- the rotatable bodies are provided on the layer of
- a friction reducing arrangement (not shown in Figure 2) is provided
- arrangement may comprise PTFE tape 28 wound onto the layer of protection
- rotatable bodies each comprise two axially extending portions 20A, 20B and
- bodies are preferably made of plastics and are preferably hollow.
- the size of the rotatable bodies will depend on the animals to be
- bodies may be fitted to the structures particularly when the structures
- the line 12 comprises an all-dielectric self-
- plastics sheath defining a passage into which an optical fibre unit comprising
- At least one optical fibre is to be, or has been, installed for example by
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU21968/01A AU2196801A (en) | 1999-12-16 | 2000-12-14 | Aerial line installation |
EP00985557A EP1240698A1 (en) | 1999-12-16 | 2000-12-14 | Aerial line installation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99310207 | 1999-12-16 | ||
EP99310207.8 | 1999-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001045223A1 true WO2001045223A1 (en) | 2001-06-21 |
Family
ID=8241819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2000/004799 WO2001045223A1 (en) | 1999-12-16 | 2000-12-14 | Aerial line installation |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1240698A1 (en) |
AR (1) | AR026969A1 (en) |
AU (1) | AU2196801A (en) |
WO (1) | WO2001045223A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8132790B2 (en) | 2004-10-28 | 2012-03-13 | Charles Russel Cox | Impact load deflector sleeve and removable collar assembly for cable and post protection |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2448801A1 (en) * | 1979-02-07 | 1980-09-05 | Alsthom Cgee | HV power cable with single conductor - is enabled by using two half shells enclosing radiator attached to conductor (BR 21.10.80) |
US4262169A (en) * | 1980-02-08 | 1981-04-14 | Lanton Jr Ralph H | Aerial cable guard |
GB2209456A (en) * | 1987-09-05 | 1989-05-17 | Peter Edward Mackereth | Bird feeder protector |
US4885835A (en) * | 1989-02-02 | 1989-12-12 | Osgood George M | Method of assembling line marker into suspended power line |
US5293721A (en) * | 1991-04-05 | 1994-03-15 | The Omt Group | Horizontal cable animal barrier |
US5570652A (en) * | 1995-03-10 | 1996-11-05 | Ferland; Bret | Rodent guard |
-
2000
- 2000-12-14 AU AU21968/01A patent/AU2196801A/en not_active Abandoned
- 2000-12-14 WO PCT/GB2000/004799 patent/WO2001045223A1/en not_active Application Discontinuation
- 2000-12-14 EP EP00985557A patent/EP1240698A1/en not_active Withdrawn
- 2000-12-15 AR ARP000106664A patent/AR026969A1/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2448801A1 (en) * | 1979-02-07 | 1980-09-05 | Alsthom Cgee | HV power cable with single conductor - is enabled by using two half shells enclosing radiator attached to conductor (BR 21.10.80) |
US4262169A (en) * | 1980-02-08 | 1981-04-14 | Lanton Jr Ralph H | Aerial cable guard |
GB2209456A (en) * | 1987-09-05 | 1989-05-17 | Peter Edward Mackereth | Bird feeder protector |
US4885835A (en) * | 1989-02-02 | 1989-12-12 | Osgood George M | Method of assembling line marker into suspended power line |
US5293721A (en) * | 1991-04-05 | 1994-03-15 | The Omt Group | Horizontal cable animal barrier |
US5570652A (en) * | 1995-03-10 | 1996-11-05 | Ferland; Bret | Rodent guard |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8132790B2 (en) | 2004-10-28 | 2012-03-13 | Charles Russel Cox | Impact load deflector sleeve and removable collar assembly for cable and post protection |
Also Published As
Publication number | Publication date |
---|---|
EP1240698A1 (en) | 2002-09-18 |
AU2196801A (en) | 2001-06-25 |
AR026969A1 (en) | 2003-03-05 |
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