ES2186479A1 - Protective conduit for electric cables, etc. is made of synthetic material with film of viscous lubricant along its inside surface - Google Patents

Protective conduit for electric cables, etc. is made of synthetic material with film of viscous lubricant along its inside surface

Info

Publication number
ES2186479A1
ES2186479A1 ES200001529A ES200001529A ES2186479A1 ES 2186479 A1 ES2186479 A1 ES 2186479A1 ES 200001529 A ES200001529 A ES 200001529A ES 200001529 A ES200001529 A ES 200001529A ES 2186479 A1 ES2186479 A1 ES 2186479A1
Authority
ES
Spain
Prior art keywords
film
inside surface
synthetic material
electric cables
viscous lubricant
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.)
Granted
Application number
ES200001529A
Other languages
Spanish (es)
Other versions
ES2186479B1 (en
Inventor
Alain Bretaudeau
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.)
USINAGE TUBES POUR ELECTR
Original Assignee
USINAGE TUBES POUR ELECTR
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=9547441&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2186479(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by USINAGE TUBES POUR ELECTR filed Critical USINAGE TUBES POUR ELECTR
Publication of ES2186479A1 publication Critical patent/ES2186479A1/en
Application granted granted Critical
Publication of ES2186479B1 publication Critical patent/ES2186479B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0468—Corrugated

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Forging (AREA)
  • Electric Cable Installation (AREA)
  • Details Of Indoor Wiring (AREA)

Abstract

A corrugated conduit made of synthetic material has a film of viscous lubricant along its inside surface Independent claims are included for the following: (a) Manufacturing the above conduit includes applying the film during the extrusion of the conduit. The lubricant is atomized in air in order to apply it. (b) Apparatus for manufacturing the above conduit includes an extruder with an annular extrusion head and a central passage supplied with air containing the atomized lubricant.
ES200001529A 1999-06-29 2000-06-19 CORRUGATED CONDUCT OF PRELUBRIFIED SYNTHETIC MATERIAL, AND PROCEDURE AND INSTALLATION FOR THEIR REALIZATION. Expired - Fee Related ES2186479B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9908314A FR2795879B1 (en) 1999-06-29 1999-06-29 ANNELE CONDUIT IN PRE-LUBRICATED SYNTHETIC MATERIAL, AND METHOD AND INSTALLATION FOR MAKING SAME
FR9908314 1999-06-29

Publications (2)

Publication Number Publication Date
ES2186479A1 true ES2186479A1 (en) 2003-05-01
ES2186479B1 ES2186479B1 (en) 2005-04-16

Family

ID=9547441

Family Applications (1)

Application Number Title Priority Date Filing Date
ES200001529A Expired - Fee Related ES2186479B1 (en) 1999-06-29 2000-06-19 CORRUGATED CONDUCT OF PRELUBRIFIED SYNTHETIC MATERIAL, AND PROCEDURE AND INSTALLATION FOR THEIR REALIZATION.

Country Status (4)

Country Link
ES (1) ES2186479B1 (en)
FR (1) FR2795879B1 (en)
IT (1) IT1320218B1 (en)
PT (1) PT102487B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4892442A (en) * 1987-03-03 1990-01-09 Dura-Line Prelubricated innerduct
WO1993014546A1 (en) * 1992-01-17 1993-07-22 Arnco Corporation Prelubricated duct
FR2760814A1 (en) * 1997-03-14 1998-09-18 Novotech EXTENDED TUBULAR PRODUCT, ESPECIALLY OF THE TYPE OF INSTALLATION DUCT
US5814371A (en) * 1995-01-27 1998-09-29 Technology Licensing Company Hot melt fluidized cladding of innerduct liner with a liner of varying thickness

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539304A1 (en) * 1985-11-06 1987-05-07 Wavin Bv PLASTIC PIPE FOR RECEIVING

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4892442A (en) * 1987-03-03 1990-01-09 Dura-Line Prelubricated innerduct
WO1993014546A1 (en) * 1992-01-17 1993-07-22 Arnco Corporation Prelubricated duct
US5814371A (en) * 1995-01-27 1998-09-29 Technology Licensing Company Hot melt fluidized cladding of innerduct liner with a liner of varying thickness
FR2760814A1 (en) * 1997-03-14 1998-09-18 Novotech EXTENDED TUBULAR PRODUCT, ESPECIALLY OF THE TYPE OF INSTALLATION DUCT

Also Published As

Publication number Publication date
IT1320218B1 (en) 2003-11-26
ES2186479B1 (en) 2005-04-16
ITTO20000638A0 (en) 2000-06-28
FR2795879A1 (en) 2001-01-05
PT102487A (en) 2000-12-29
FR2795879B1 (en) 2001-10-12
PT102487B (en) 2004-01-30
ITTO20000638A1 (en) 2001-12-28

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