WO2008119844A1 - Gaine tubulaire de protection - Google Patents

Gaine tubulaire de protection Download PDF

Info

Publication number
WO2008119844A1
WO2008119844A1 PCT/ES2007/000172 ES2007000172W WO2008119844A1 WO 2008119844 A1 WO2008119844 A1 WO 2008119844A1 ES 2007000172 W ES2007000172 W ES 2007000172W WO 2008119844 A1 WO2008119844 A1 WO 2008119844A1
Authority
WO
WIPO (PCT)
Prior art keywords
threads
sheath
monofilament
multifilament
peek
Prior art date
Application number
PCT/ES2007/000172
Other languages
English (en)
Spanish (es)
Inventor
Jordi Relats Manent
Pere Relats Casas
Original Assignee
Relats, S.A.
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 Relats, S.A. filed Critical Relats, S.A.
Priority to PCT/ES2007/000172 priority Critical patent/WO2008119844A1/fr
Publication of WO2008119844A1 publication Critical patent/WO2008119844A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
    • D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
    • 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
    • H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/12—Vehicles

Definitions

  • the present invention is referred to as its title indicates a tubular protective sheath, of the type used for the mechanical and thermal protection of electrical conductors, tubes and other components, and which are formed by wires of different materials.
  • tubes or covers for thermal and / or acoustic protection of electrical conductors, tubes and other components in order to avoid wear due to friction with other parts, the production of noises by knocking said elements against other parts and providing them with thermal insulation when they are close to heat sources.
  • the 9800693 patent refers to a process for the treatment of protection tubes, said tubes being composed of monofilament strands of braided plastic material, being able to incorporate multi-filament threads and / or threads of textured material.
  • the covers of the aforementioned documents provide insufficient thermal protection in certain applications, for example in aeronautics, the object of the present invention being the development of a tubular sheath that allows obtaining a higher degree of thermal protection, a suitable flexibility to facilitate both the adaptation, as the assembly and disassembly of the cover in the application area and to maintain a good acoustic insulation and mechanical resistance characteristics.
  • the tubular protective sheath of the present invention being of the type mentioned above, that is, of those formed from threads of different materials, has constructional features oriented to provide a high degree of thermal protection to the elements housed in its interior, also presenting a high flexibility to facilitate its adaptation, assembly and disassembly at the place of application, as well as a good mechanical resistance and acoustic insulation.
  • said sheath comprises first multifilament threads of aramid fibers and second monofilament polyether ether ketone (PEEK) threads, said first multifilament threads and said second monofilament strands being twisted together.
  • PEEK polyether ether ketone
  • the combination of said threads provides the sheath with high thermal resistance, low smoke emission when exposed to direct flame, good mechanical resistance and adequate sound insulation.
  • the first multifilament threads of aramid fibers are of low consistency and have a high cost, having been provided that they can form between 10 and 50% of the sheath, the remaining percentage of the sheath being constituted by the monofilament polyether fibers -ether-ketone (PEEK).
  • PEEK monofilament polyether fibers -ether-ketone
  • the cover can have an outer and / or internally protective coating of plastic resin, for example silicone, acrylic resin or polyurethane resin
  • FIG. 1 shows a perspective view of a portion of the tubular protective sleeve of the invention.
  • - Figure 2 shows, schematically, a cross section of the sheath, in which the first and second threads can be observed.
  • FIG. 3 shows, schematically, a cross section of a variant embodiment of the sheath, provided on its outer face with a protective coating of silicone resin.
  • the tubular protective sheath referenced as a whole as (1), consists of first multifilament threads (11) of aramid fibers and a few monofilament threads (12) of polyether ether ether ketone (PEEK), twisted with each other, forming the tubular configuration of the sheath (1).
  • first multifilament threads (11) of aramid fibers and a few monofilament threads (12) of polyether ether ether ketone (PEEK), twisted with each other, forming the tubular configuration of the sheath (1).
  • PEEK polyether ether ether ketone
  • the multifilament threads (11) of aramid fibers constitute approximately 50% of the sheath (1), although said percentage could be lower, as mentioned above, considering the minimum 10% acceptable.
  • a coating (13) of polyurethane plastic resin can also be observed.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Insulating Bodies (AREA)

Abstract

L'invention concerne une gaine du type employé pour la protection mécanique et thermique de conducteurs électriques, de tubes et d'autres composants. Cette gaine se compose de fils multifilaments (11) à base de fibres aramides et de fils monofilaments (12) en polyétheréthercétone (PEEK). Les fils multifilaments (11) et les fils monofilaments (12) sont tressés. La gaine peut être constituée à 10-50% de fils multifilaments (11) à base de fibres aramides, le pourcentage restant étant constitué de fils monofilaments (12) en polyétheréthercétone (PEEK).
PCT/ES2007/000172 2007-03-29 2007-03-29 Gaine tubulaire de protection WO2008119844A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/ES2007/000172 WO2008119844A1 (fr) 2007-03-29 2007-03-29 Gaine tubulaire de protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2007/000172 WO2008119844A1 (fr) 2007-03-29 2007-03-29 Gaine tubulaire de protection

Publications (1)

Publication Number Publication Date
WO2008119844A1 true WO2008119844A1 (fr) 2008-10-09

Family

ID=39807832

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2007/000172 WO2008119844A1 (fr) 2007-03-29 2007-03-29 Gaine tubulaire de protection

Country Status (1)

Country Link
WO (1) WO2008119844A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9394636B2 (en) 2013-02-06 2016-07-19 Federal-Mogul Powertrain, Inc. Enhanced braided sleeve and method of construction thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2072435T3 (es) * 1989-05-19 1995-07-16 Bentley Harris Mfg Co Funda absorbente de sonido.
ES2120854A1 (es) * 1995-05-10 1998-11-01 Relats Sa Tubo de aislamiento flexible.
FR2881054A1 (fr) * 2005-01-25 2006-07-28 Fed Mogul Systems Prot Group S Gaine de protection thermique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2072435T3 (es) * 1989-05-19 1995-07-16 Bentley Harris Mfg Co Funda absorbente de sonido.
ES2120854A1 (es) * 1995-05-10 1998-11-01 Relats Sa Tubo de aislamiento flexible.
FR2881054A1 (fr) * 2005-01-25 2006-07-28 Fed Mogul Systems Prot Group S Gaine de protection thermique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9394636B2 (en) 2013-02-06 2016-07-19 Federal-Mogul Powertrain, Inc. Enhanced braided sleeve and method of construction thereof

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