WO2012149598A1 - A fire retardant and anti static pipe - Google Patents

A fire retardant and anti static pipe Download PDF

Info

Publication number
WO2012149598A1
WO2012149598A1 PCT/AU2012/000453 AU2012000453W WO2012149598A1 WO 2012149598 A1 WO2012149598 A1 WO 2012149598A1 AU 2012000453 W AU2012000453 W AU 2012000453W WO 2012149598 A1 WO2012149598 A1 WO 2012149598A1
Authority
WO
WIPO (PCT)
Prior art keywords
fire retardant
pipe
polymer
statically dissipative
outer layer
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.)
Ceased
Application number
PCT/AU2012/000453
Other languages
French (fr)
Inventor
John Mcnab
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.)
Pipelion Pty Ltd
Original Assignee
Pipelion Pty Ltd
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
Priority claimed from AU2011901669A external-priority patent/AU2011901669A0/en
Application filed by Pipelion Pty Ltd filed Critical Pipelion Pty Ltd
Priority to EP12779685.2A priority Critical patent/EP2705290A4/en
Priority to CA2834896A priority patent/CA2834896A1/en
Priority to US14/115,132 priority patent/US20140069546A1/en
Priority to AU2012250487A priority patent/AU2012250487B2/en
Publication of WO2012149598A1 publication Critical patent/WO2012149598A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/133—Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/121—Rigid pipes of plastics with or without reinforcement with three layers
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/125—Rigid pipes of plastics with or without reinforcement electrically conducting

Definitions

  • the present invention relates to pipe systems and particularly relates to pipes with fire retardant and anti-static properties.
  • Pipes are well known for use in conveying fluids under pressure such as water, other liquids, or compressed air.
  • the present invention provides a pipe having a wall defining a bore, the wall is formed from at least two layers comprising: a structural core layer; an outer layer which is statically dissipative; and wherein the outer layer is fire retardant.
  • the outer layer may include a statically dissipative polymer.
  • the statically dissipative polymer may be in the form of a matrix distributed in a host polymer.
  • the host polymer may include polypropylene.
  • the structural core layer may be formed from a polymer such as
  • the outer layer may include a non-halogenated fire retardant material.
  • the pipe may further include an inner layer which is also statically dissipative.
  • the present invention provides a method of producing a pipe including the steps of: co-extruding at least two pipe layers comprising: a structural core layer; and an outer layer which is statically dissipative and fire retardant.
  • the outer layer may be formed by distributing a statically dissipative polymer as a matrix into a host polymer.
  • the host polymer may include polypropylene.
  • the outer layer may be made fire retardant by the addition of a non- halogenated fire retardant material.
  • the method may further include the step of co-extruding an inner layer which is statically dissipative.
  • the inner layer may be formed by distributing a statically dissipative polymer as a matrix into a host polymer.
  • the inner layer may be made fire retardant by the addition of a non- halogenated fire retardant material.
  • Figure 1 is a perspective view of a section of pipe according to an embodiment of the invention.
  • Figure 2 is an end view of the pipe of figure 1.
  • a length of pipe 10 is shown in perspective view.
  • the pipe has been formed by a co-extrusion process and has a multi-layered wall structure which defines a central bore.
  • Outer layer 12 consists of a statically dissipative outer layer which is formed by distributing a statically dissipative polymer in a polypropylene-based host polymer which has also been mixed with a non-halogenated fire retardant material.
  • Inner layer 16 is formed from the same material as layer 12. In some embodiments, the fire retardant material is omitted from layer 16.
  • Intermediate structural core layer 14 is formed from Impact Modified
  • Layer 14 has high strength and provides the overall multilayer pipe structure with strength making it suitable for use in pressure or vacuum applications.
  • Statically dissipative polymers are commercially available and are used, for instance, in the production of electrostatically discharging packaging for use in the electronics industry.
  • the inner and outer layers may be made statically dissipative by the addition of one or more of carbon black, carbon nanotubes or metal fibres.
  • a layer is said to be statically dissipative it is generally considered by those skilled in the art to have a level of resistivity between 10 5 and 10 11 ohm-metres. This provides a suitable level of electrical conductivity to dissipate charge in a reasonably short time without the risk of a spark hazard and avoids the need to provide earthing for a pipe installation formed using pipe according to embodiments of the invention.
  • Non-halogenated fire retardant materials are commercially available and can include one or more of ammonium polyphosphate (APP), melamine polyphosphate (MPP), magnesium hydroxide, aluminium trihydrate and red phosphorous.
  • APP ammonium polyphosphate
  • MPP melamine polyphosphate
  • magnesium hydroxide aluminium trihydrate and red phosphorous.
  • Pipe 10 is formed in a continuous co-extrusion process in which all three layers are combined in one operation.
  • the constituents of each of the layers are heated and mixed appropriately and introduced into an extrusion machine fitted with a co-extrusion die. Lengths of pipe emanating from the machine are cut to desired lengths and allowed to cool.
  • the fire retardant material used was a non-halogenated fire retardant material.
  • a halogen based fire retardant material may be used such as a bromide or chloride.
  • the inner and outer layers included a polypropylene host polymer.
  • other host polymers could be used such as other polyolefms including polyethylene or polybutylene.
  • Pipe is suitable for use in areas where fire rating and anti-static rating is required.
  • Non-halogenated fire retardant provides improved safety over bromide based fire retardant in the event of fire

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Laminated Bodies (AREA)

Abstract

A pipe is described having a wall defining a bore, the wall is formed from at least two layers comprising: a structural core layer; an outer layer which is statically dissipative; and wherein the outer layer is also fire retardant.

Description

A FIRE RETARDANT AND ANTI STATIC PIPE
Technical Field
The present invention relates to pipe systems and particularly relates to pipes with fire retardant and anti-static properties.
Background to the Invention
Pipes are well known for use in conveying fluids under pressure such as water, other liquids, or compressed air.
In certain environments, such as in underground mines, for example, there is a particular need for pipes to have either or both of fire retardant or anti-static properties for safety reasons. One suitable material for this purpose is steel. However, steel pipe installations are expensive to manufacture and install. Furthermore, steel is prone to corrosion and thus has a limited life span, requiring replacement of the entire pipe installation.
Summary of the Invention
In a first aspect the present invention provides a pipe having a wall defining a bore, the wall is formed from at least two layers comprising: a structural core layer; an outer layer which is statically dissipative; and wherein the outer layer is fire retardant.
The outer layer may include a statically dissipative polymer.
The statically dissipative polymer may be in the form of a matrix distributed in a host polymer.
The host polymer may include polypropylene.
The structural core layer may be formed from a polymer such as
polypropylene.
The outer layer may include a non-halogenated fire retardant material.
The pipe may further include an inner layer which is also statically dissipative.
In a second aspect the present invention provides a method of producing a pipe including the steps of: co-extruding at least two pipe layers comprising: a structural core layer; and an outer layer which is statically dissipative and fire retardant.
The outer layer may be formed by distributing a statically dissipative polymer as a matrix into a host polymer. The host polymer may include polypropylene.
The outer layer may be made fire retardant by the addition of a non- halogenated fire retardant material.
The method may further include the step of co-extruding an inner layer which is statically dissipative.
The inner layer may be formed by distributing a statically dissipative polymer as a matrix into a host polymer.
The inner layer may be made fire retardant by the addition of a non- halogenated fire retardant material.
Brief Description of the Drawings
An embodiment of the present invention will now be described, by way of example only, with reference to the accompanying drawings, in which:
Figure 1 is a perspective view of a section of pipe according to an embodiment of the invention; and
Figure 2 is an end view of the pipe of figure 1.
Detailed Description of the Preferred Embodiment
Referring to figure 1, a length of pipe 10 is shown in perspective view. The pipe has been formed by a co-extrusion process and has a multi-layered wall structure which defines a central bore.
Outer layer 12 consists of a statically dissipative outer layer which is formed by distributing a statically dissipative polymer in a polypropylene-based host polymer which has also been mixed with a non-halogenated fire retardant material.
Inner layer 16 is formed from the same material as layer 12. In some embodiments, the fire retardant material is omitted from layer 16.
Intermediate structural core layer 14 is formed from Impact Modified
Copolymer Polypropylene. Layer 14 has high strength and provides the overall multilayer pipe structure with strength making it suitable for use in pressure or vacuum applications.
Statically dissipative polymers are commercially available and are used, for instance, in the production of electrostatically discharging packaging for use in the electronics industry. In other embodiment the inner and outer layers may be made statically dissipative by the addition of one or more of carbon black, carbon nanotubes or metal fibres.
Where a layer is said to be statically dissipative it is generally considered by those skilled in the art to have a level of resistivity between 105 and 1011 ohm-metres. This provides a suitable level of electrical conductivity to dissipate charge in a reasonably short time without the risk of a spark hazard and avoids the need to provide earthing for a pipe installation formed using pipe according to embodiments of the invention.
Non-halogenated fire retardant materials are commercially available and can include one or more of ammonium polyphosphate (APP), melamine polyphosphate (MPP), magnesium hydroxide, aluminium trihydrate and red phosphorous.
Where a layer is said to be fire retardant it is generally understood by those skilled in the art that it would meet one of the classifications under the UL 94 standard, which is a plastics f ammability standard released by Underwriters Laboratories of the USA.
Pipe 10 is formed in a continuous co-extrusion process in which all three layers are combined in one operation. The constituents of each of the layers are heated and mixed appropriately and introduced into an extrusion machine fitted with a co-extrusion die. Lengths of pipe emanating from the machine are cut to desired lengths and allowed to cool.
In the embodiments described above, the fire retardant material used was a non-halogenated fire retardant material. In other embodiments, a halogen based fire retardant material may be used such as a bromide or chloride.
In the embodiment described above the inner and outer layers included a polypropylene host polymer. Similarly, other host polymers could be used such as other polyolefms including polyethylene or polybutylene.
It can be seen that embodiments of the invention provide at least one of the following advantages: • Pipe is suitable for use in areas where fire rating and anti-static rating is required.
• Being non-metallic, pipe does not suffer from corrosion.
• Being polymeric, pipe is lightweight and simple to transport and cut to length · Non-halogenated fire retardant provides improved safety over bromide based fire retardant in the event of fire
• Pipe is suitable for pressure and vacuum applications
• No earthing required Any reference to prior art contained herein is not to be taken as an admission that the information is common general knowledge, unless otherwise indicated.
Finally, it is to be appreciated that various alterations or additions may be made to the parts previously described without departing from the spirit or ambit of the present invention.

Claims

A pipe having a wall defining a bore, the wall is formed from at least two layers comprising:
a structural core layer;
an outer layer which is statically dissipative; and
wherein the outer layer is fire retardant.
A pipe according to claim 1 wherein the outer layer includes a statically dissipative polymer.
A pipe according to claim 2 wherein the statically dissipative polymer is in the form of a matrix distributed in a host polymer.
A pipe according to claim 3 wherein the host polymer includes polypropylene. A pipe according to any preceding claim wherein the structural core layer is formed from a polymer.
A pipe according to claim 5 wherein the polymer includes polypropylene. A pipe according to any preceding claim wherein the outer layer includes a non-halogenated fire retardant material.
A pipe according to any preceding claim further including an inner layer which is also statically dissipative.
A pipe according to claim 8 wherein the inner layer includes a statically dissipative polymer.
A pipe according to claim 9 wherein the statically dissipative polymer is in the form of a matrix distributed in a host polymer.
A pipe according to claim 10 wherein the host polymer includes
polypropylene.
A method of producing a pipe including the steps of:
co-extruding at least two pipe layers comprising:
a structural core layer; and
an outer layer which is statically dissipative and fire retardant.
A method according to claim 12 wherein the outer layer is formed by distributing a statically dissipative polymer as a matrix into a host polymer.
A method according to claim 13 wherein the host polymer includes
polypropylene.
A method according to any one of claims 12 to 14 wherein the outer layer is made fire retardant by the addition of a non-halogenated fire retardant material. A method according to any one of claims 12 to 15 wherein the structural core layer is formed from polypropylene.
17. A method according to any one of claims 12 to 16 further including the step of co-extruding an inner layer which is statically dissipative.
18. A method according to 17 wherein the inner layer is formed by distributing a statically dissipative polymer as a matrix into a host polymer.
19. A method according to claim 18 wherein the host polymer includes
polypropylene.
20. A method according to any one of claims 17 to 19 wherein the inner layer is also fire retardant.
21. A method according to claim 20 wherein the inner layer is made fire retardant by the addition of a non-halogenated fire retardant material.
PCT/AU2012/000453 2011-05-05 2012-04-30 A fire retardant and anti static pipe Ceased WO2012149598A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12779685.2A EP2705290A4 (en) 2011-05-05 2012-04-30 A fire retardant and anti static pipe
CA2834896A CA2834896A1 (en) 2011-05-05 2012-04-30 A fire retardant and anti static pipe
US14/115,132 US20140069546A1 (en) 2011-05-05 2012-04-30 Fire retardant and anti static pipe
AU2012250487A AU2012250487B2 (en) 2011-05-05 2012-04-30 A fire retardant and anti static pipe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2011901669 2011-05-05
AU2011901669A AU2011901669A0 (en) 2011-05-05 A fire retardant and anti static pipe

Publications (1)

Publication Number Publication Date
WO2012149598A1 true WO2012149598A1 (en) 2012-11-08

Family

ID=47107679

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2012/000453 Ceased WO2012149598A1 (en) 2011-05-05 2012-04-30 A fire retardant and anti static pipe

Country Status (5)

Country Link
US (1) US20140069546A1 (en)
EP (1) EP2705290A4 (en)
AU (1) AU2012250487B2 (en)
CA (1) CA2834896A1 (en)
WO (1) WO2012149598A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267178A (en) * 2013-05-27 2013-08-28 成都三环金属制品有限公司 Polyethylene composite tube for underground coal mine

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016115605A1 (en) * 2015-01-23 2016-07-28 Ianni Industries Pty Limited Underground ventilation apparatus and method
CN109899602A (en) * 2019-04-10 2019-06-18 上海伟星新型建材有限公司 Flame retardant type fiber reinforcement polypropylene random copolymer composite tube and preparation method thereof
WO2020223508A1 (en) * 2019-04-30 2020-11-05 Saint-Gobain Performance Plastics Corporation Dissipative peristaltic pump tubing
US11643539B2 (en) * 2020-11-25 2023-05-09 Contitech Usa, Inc. Fire resistant rubber compositions and hose
CN112503266A (en) * 2020-12-11 2021-03-16 上海伟星新型建材有限公司 Flame-retardant fiber-reinforced polybutylene composite pipe

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196464A (en) 1978-02-23 1980-04-01 Eaton Corporation Semi-conductive layer-containing reinforced pressure hose and method of making same
US4246306A (en) 1978-04-07 1981-01-20 Bristol Composite Materials Engineering Ltd. Antistatic fire-retardant structures, particularly pipes, of reinforced plastics material
US4394705A (en) 1982-01-04 1983-07-19 The Polymer Corporation Anti-static hose assemblies
EP1077341A2 (en) 1999-08-18 2001-02-21 Hybritech Polymers Multilayered plastic tubing assembly for fluid and vapor handling systems
CN2771609Y (en) * 2005-01-08 2006-04-12 王欣 Steel-plastic composite mining pipe
US20060100328A1 (en) * 2004-10-26 2006-05-11 Jan Goossens Fire-resistant rubber composition and hose
CN2926724Y (en) * 2006-06-29 2007-07-25 李寿山 High-strength anti-static fire-retardant plastic pipe
US20080317986A1 (en) 2004-10-07 2008-12-25 Guido Schmitz Multi-Layer Composite Comprising an Evoh Layer and a Protective Layer

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791965A (en) * 1987-02-13 1988-12-20 James Hardie Irrigation, Inc. Co-extruded tube
US5298299A (en) * 1990-05-24 1994-03-29 Shea Lawrence E Double wall fire proof duct
DE19534455C1 (en) * 1995-09-16 1996-12-12 Fresenius Ag Multilayer plastics tube free from PVC, for medical purposes
US6170535B1 (en) * 1998-11-17 2001-01-09 Salflex Polymers Ltd. Multi-layer conduit
FR2791116B1 (en) * 1999-03-16 2001-04-27 Atochem Elf Sa POLYAMIDE-BASED ANTISTATIC TUBE FOR FUEL TRANSPORT
US6641884B1 (en) * 2000-08-09 2003-11-04 Teleflex Fluid Systems Corrugated hose assembly
US7732358B2 (en) * 2000-09-20 2010-06-08 Goodrich Corporation Inorganic matrix compositions and composites incorporating the matrix composition
US8361608B1 (en) * 2002-04-17 2013-01-29 Conductive Composites Company, L.L.C. Electrically-conductive nanocomposite material
US20050155662A1 (en) * 2002-06-03 2005-07-21 Tao Nie Low-cost, low permeation multi-layer tubing having intermediate polymeric alloy layer
JP3606280B2 (en) * 2002-07-16 2005-01-05 日産自動車株式会社 Resin tubes and fuel piping tubes
JP3938169B2 (en) * 2003-09-30 2007-06-27 東海ゴム工業株式会社 Automotive fuel hose
JP4626230B2 (en) * 2004-09-02 2011-02-02 東海ゴム工業株式会社 Fuel hose
US20060280889A1 (en) * 2005-06-10 2006-12-14 Powell Steven M Tubular nylon alloy members for tubing and hose constructions
DE202005014586U1 (en) * 2005-09-14 2007-02-01 Aquatherm Besitzgesellschaft Mbh sprinkler
US8492474B2 (en) * 2006-11-22 2013-07-23 Sabic Innovative Plastics Ip B.V. Methods of making polymer blend compositions
FI123337B (en) * 2007-01-10 2013-02-28 Kwh Pipe Ab Oy Abrasion-resistant polymeric tube and process for making it
US20090134370A1 (en) * 2007-07-20 2009-05-28 Herve Cartier Conductive halogen free flame retardant thermoplastic composition
US8487040B2 (en) * 2007-10-30 2013-07-16 Premix Inc. Flame and smoke spread retardant molding compounds and components molded from these compounds
FI124163B (en) * 2008-06-30 2014-04-15 Uponor Infra Oy Container
US20100071797A1 (en) * 2008-09-25 2010-03-25 Jungers Jon W Fire retardant air handling system ductwork component and method of manufacture
EP2516529B1 (en) * 2009-12-24 2015-02-25 Bromine Compounds Ltd. Flame retardant compositions

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196464A (en) 1978-02-23 1980-04-01 Eaton Corporation Semi-conductive layer-containing reinforced pressure hose and method of making same
US4246306A (en) 1978-04-07 1981-01-20 Bristol Composite Materials Engineering Ltd. Antistatic fire-retardant structures, particularly pipes, of reinforced plastics material
US4394705A (en) 1982-01-04 1983-07-19 The Polymer Corporation Anti-static hose assemblies
EP1077341A2 (en) 1999-08-18 2001-02-21 Hybritech Polymers Multilayered plastic tubing assembly for fluid and vapor handling systems
US20080317986A1 (en) 2004-10-07 2008-12-25 Guido Schmitz Multi-Layer Composite Comprising an Evoh Layer and a Protective Layer
US20060100328A1 (en) * 2004-10-26 2006-05-11 Jan Goossens Fire-resistant rubber composition and hose
CN2771609Y (en) * 2005-01-08 2006-04-12 王欣 Steel-plastic composite mining pipe
CN2926724Y (en) * 2006-06-29 2007-07-25 李寿山 High-strength anti-static fire-retardant plastic pipe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2705290A4

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267178A (en) * 2013-05-27 2013-08-28 成都三环金属制品有限公司 Polyethylene composite tube for underground coal mine

Also Published As

Publication number Publication date
EP2705290A4 (en) 2014-11-05
AU2012250487B2 (en) 2013-05-23
AU2012250487A1 (en) 2013-03-28
CA2834896A1 (en) 2012-11-08
US20140069546A1 (en) 2014-03-13
EP2705290A1 (en) 2014-03-12

Similar Documents

Publication Publication Date Title
AU2012250487B2 (en) A fire retardant and anti static pipe
FI123337B (en) Abrasion-resistant polymeric tube and process for making it
CN101434723B (en) Antistatic halogen-free flame-retardant ultra-high molecular weight polyvinyl composition
JP5616816B2 (en) Outlet box fire prevention structure and construction method
CN1441883A (en) Novel thermoplastic or thermoset pipes including conductive textile reinformcements for heating and leak detection purposes
CN210911391U (en) MPP cable protection pipe
AU2012255184A1 (en) A flexible unbonded pipe
RU118015U1 (en) MULTILAYER PIPE
US20170130883A1 (en) Modular pipe systems and components
JP6763709B2 (en) Construction method of compartment penetration structure
CN108384393A (en) Pipeline anti-electrostatic fire retardant powdery paints and making, coating process
CN104455791A (en) Long fiber strip-shaped internally-wrapped type glass fiber wound three-layer composite polyethylene tube and manufacturing method
JP2016194202A (en) Fireproof structure
CN106523810B (en) A kind of MULTILAYER COMPOSITE fuel feed pipe
CN103602000A (en) Novel pipeline suitable for non-excavation engineering
JP2018109284A (en) Sleeve, compartment penetration structure, and fireproof filling structure
WO2017089384A1 (en) A multi-layered structure of at least a ceramic base-layer and a paint-based protective layer or a paste-based protective layer
US20220279642A1 (en) Fiber reinforced systems with electrostatic dissipation
CN103817897A (en) Production method for double resistant plastic pipe
CN216867762U (en) Reinforced composite fiber pipe with multilayer composite pipe wall
CN223004584U (en) Steel curtain belt reinforced wear-resistant pipeline
CN217951520U (en) High-pressure-resistant antistatic fluoroplastic pipe
CN107033463A (en) A kind of composite flame-proof antistatic pipe and preparation method thereof
CN105333264A (en) Pipeline protection technology used for non-excavation penetration and urban old pipe network reconstruction
CN214248634U (en) Quick conductive plastic pipe

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12779685

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2012250487

Country of ref document: AU

Date of ref document: 20120430

Kind code of ref document: A

REEP Request for entry into the european phase

Ref document number: 2012779685

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2012779685

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2834896

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 14115132

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE