ATE174718T1 - CABLE PROTECTION TUBE - Google Patents

CABLE PROTECTION TUBE

Info

Publication number
ATE174718T1
ATE174718T1 AT95102935T AT95102935T ATE174718T1 AT E174718 T1 ATE174718 T1 AT E174718T1 AT 95102935 T AT95102935 T AT 95102935T AT 95102935 T AT95102935 T AT 95102935T AT E174718 T1 ATE174718 T1 AT E174718T1
Authority
AT
Austria
Prior art keywords
tube
protection tube
cable protection
polyethylene
thickness
Prior art date
Application number
AT95102935T
Other languages
German (de)
Inventor
Walter E Strutz
Original Assignee
Jansen 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 Jansen Ag filed Critical Jansen Ag
Application granted granted Critical
Publication of ATE174718T1 publication Critical patent/ATE174718T1/en

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
    • H01B3/44—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 vinyl resins; acrylic resins
    • H01B3/441—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 vinyl resins; acrylic resins from alkenes

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Cable Accessories (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)

Abstract

The outer tube (2) is produced in a main extruder from soft polyethylene and is coated on the inside (1) with a layer of polyethylene of higher density, applied by an auxiliary extruder through distribution channels to a thickness of about 0.3 mm. The total thickness of the tube wall is about 6 mm. Experiments with a tube of 112 mm outer dia. on cables of length 100 to 500 m, about 56% straight and 44% slightly curved, show pulling force requirements consistently between 56% and 60% of those of an unlined soft polyethylene tube.
AT95102935T 1994-03-15 1995-03-02 CABLE PROTECTION TUBE ATE174718T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH77994 1994-03-15

Publications (1)

Publication Number Publication Date
ATE174718T1 true ATE174718T1 (en) 1999-01-15

Family

ID=4194993

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95102935T ATE174718T1 (en) 1994-03-15 1995-03-02 CABLE PROTECTION TUBE

Country Status (3)

Country Link
EP (1) EP0674324B1 (en)
AT (1) ATE174718T1 (en)
DE (1) DE59504527D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5658613A (en) * 1995-01-27 1997-08-19 Technology Licensing Company Hot melt fluidized cladding of innerduct liner

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3580987A (en) * 1968-03-26 1971-05-25 Pirelli Electric cable
FR2325062A1 (en) * 1975-09-19 1977-04-15 Cables De Lyon Geoffroy Delore CENTRAL CORE FOR THE ASSEMBLY OF OPTICAL FIBERS INTO A BEAM
FR2326714A1 (en) * 1975-09-19 1977-04-29 Cables De Lyon Geoffroy Delore PROTECTION AND MECHANICAL REINFORCEMENT OF OPTICAL FIBERS
US4848566A (en) * 1987-10-23 1989-07-18 W. R. Grace & Co. Antistatic/conductive container
GB2223877B (en) * 1988-10-17 1993-05-19 Pirelli General Plc Extra-high-voltage power cable

Also Published As

Publication number Publication date
DE59504527D1 (en) 1999-01-28
EP0674324B1 (en) 1998-12-16
EP0674324A1 (en) 1995-09-27

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Legal Events

Date Code Title Description
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee