WO1995022712A1 - Conduit composite formable a froid - Google Patents
Conduit composite formable a froid Download PDFInfo
- Publication number
- WO1995022712A1 WO1995022712A1 PCT/FR1995/000210 FR9500210W WO9522712A1 WO 1995022712 A1 WO1995022712 A1 WO 1995022712A1 FR 9500210 W FR9500210 W FR 9500210W WO 9522712 A1 WO9522712 A1 WO 9522712A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- adhesive
- thermoplastic material
- compatible
- conduit according
- internal
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 239000000853 adhesive Substances 0.000 claims abstract description 107
- 230000001070 adhesive effect Effects 0.000 claims abstract description 107
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 47
- 230000002787 reinforcement Effects 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 230000001427 coherent effect Effects 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
- 239000012943 hotmelt Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920006243 acrylic copolymer Polymers 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 13
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- -1 petrol Substances 0.000 description 12
- 239000004698 Polyethylene Substances 0.000 description 10
- 229920000573 polyethylene Polymers 0.000 description 10
- 238000004132 cross linking Methods 0.000 description 9
- 239000004952 Polyamide Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229920002647 polyamide Polymers 0.000 description 6
- 230000000717 retained effect Effects 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- GUOSQNAUYHMCRU-UHFFFAOYSA-N 11-Aminoundecanoic acid Chemical compound NCCCCCCCCCCC(O)=O GUOSQNAUYHMCRU-UHFFFAOYSA-N 0.000 description 2
- PBLZLIFKVPJDCO-UHFFFAOYSA-N 12-aminododecanoic acid Chemical compound NCCCCCCCCCCCC(O)=O PBLZLIFKVPJDCO-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical class [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 238000004079 fireproofing Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052736 halogen Chemical class 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0097—Glues or adhesives, e.g. hot melts or thermofusible adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
- B29K2305/02—Aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0065—Permeability to gases
- B29K2995/0067—Permeability to gases non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
- B29L2009/003—Layered products comprising a metal layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Definitions
- the present invention relates to a cold-formable composite duct, which can constitute a pipe for the transport of any fluid, such as water, petrol, air, or lubricant, in particular under pressure.
- thermoplastic material based on polyethylene obtained, in particular by extrusion, from a thermoplastic material based on polyethylene
- a reinforcing reinforcement comprising a continuous and longitudinal metal strip, surrounding the internal tube with overlapping of its longitudinal edges to define a longitudinal joint n al connection, and thus forming a zubular metal sheath;
- this metallic tape is linked to the inner tube by an adhesive compatible with the thermoplastic material of the inner tube
- thermoplastic material also based on polyethylene, linked to the reinforcing reinforcement by the same adhesive as above, and therefore compatible with the thermoplastic material of the outer sheath.
- the subject of the present invention is a composite conduit as defined above, which can be used to transport all kinds of fluids, including volatile liquids, especially under pressure, and possibly at relatively high temperatures, for example above 100 °. C, and this under very good sealing conditions, on the one hand, and of mechanical strength or elasticity, on the other hand.
- the following means are combined and cooperate with each other: a) the thermoplastic material of the inner tube, hereinafter called the first material, has a chemical nature different from the thermoplastic material of the outer sheath, hereinafter called the second thermopla ⁇ tic material b) the metal strip of the reinforcement reinforcement comprises on the one side a first adhesive, compatible with the first thermoplastic material, and on the other side a second adhesive, compatible with the second thermoplastic material, whereby the connection joint between the overlapping edges of said tape faces one another, on the one hand, a first internal strip of the first adhesive, and on the other hand a second internal strip of the second adhesive c) a connection means coherently connects the two internal strips opposite the connection joint.
- coherent or “coherence” is meant a junction which secures the two internal strips of adhesive opposite the connection joint of the reinforcement reinforcement, without discontinuity capable of leading to a rupture of the sealing of said seal.
- a coherent connection means can be illustrated by the junction, for example by fusion, of two identical materials. Thanks to the present invention, it becomes possible to choose an internal tube, on the one hand, relatively inert with respect to the fluids transported, and, on the other hand, relatively resistant to pressure and temperature, obtained for example in a technical thermoplastic material, for example a polyamide, and on the other hand an outer sheath different from the outer tube contributing not only to the protection of the conduit, obtained for example in a less technical plastic, for example a polyethylene, in particular loaded with a fire retardant filler.
- a technical thermoplastic material for example a polyamide
- an outer sheath different from the outer tube contributing not only to the protection of the conduit, obtained for example in a less technical plastic, for example a polyethylene, in particular loaded with a fire retardant filler.
- the differentiation of the thermoplastic materials of the inner tube and the outer sheath, respectively, does not compromise the tightness and the mechanical strength of the connection joint of the reinforcing reinforcement, thanks to the consistency of the connecting means. , vis-à-vis the adhesives retained for the internal tube and the external sheath.
- FIG. 1 is a cross-sectional view of a composite conduit according to the invention
- FIG. 2 is a schematic view showing on a reduced scale a production line for a conduit according to Figure 1
- FIG. 3 is a cross-sectional view of a composite conduit according to another embodiment of the present invention
- FIG. 4 is a cross-sectional view of a section between lines IV-IV of Figure 3 d a composite conduit according to another embodiment of the present invention
- FIG. 5 is a perspective view showing an embodiment of a conduit element, obtained from a conduit according to the invention, cut and formed according to its use.
- a composite duct 1, cold formable comprises from the inside to the outside: an internal tube 2 obtained by extrusion of a first ther oplastic material A, namely a technical polyamide
- a reinforcing reinforcement 21 comprising a metallic strip 3, for example of aluminum, shaped longitudinally around the internal tube 2, with overlapping of its longitudinal edges, defining between them a longitudinal joint 22 for connection, and thus forming a tubular metallic sheath ;
- the metal strip 3 is linked to the internal tube by a first adhesive 61 compatible with the first thermoplastic material A
- thermoplastic material B in this case an oleofinic resin, for example, an EVA polyethylene
- this outer sheath is linked to the reinforcement reinforcement (21), obtained with the metal strip 3, by a second adhesive 62 compatible with the second thermoplastic material B.
- the metal strip 3 for example made of aluminum, comprises, on one side the first adhesive 61, and on the other side the second adhesive 62, whereby the seal 22, between the longitudinal overlapping edges of the metallic strip 3, places a first internal strip 61a of the first adhesive opposite a second internal strip 62a of the second adhesive.
- the connecting means retained for the connection joint 22 connects, in a coherent manner the two internal bands 61a and 62a of the connection joint 22.
- different solutions can be adopted to have a way connecting the seal 22, consistent with the internal strips 61a and 62a of adhesives:
- first adhesive 61 and the second adhesive 62 may be identical to a single adhesive, compatible both with the first thermoplastic material A, and the second thermoplastic material B; and in this case, the connection means of the seal 22 consists of a simple junction between the two internal bands 61a and 62a
- the first adhesive 61 and the second adhesive 62 are identical to a single adhesive, compatible with the first thermoplastic material A, but relatively less compatible with the second thermoplastic material B; in this case the single adhesive is crosslinkable or crosslinked.
- the single adhesive is a crosslinked polyurethane _.u crosslinkable, in particular a urethane-acrylate copolymer
- connection means of the seal 22 consists of a simple junction between the two internal strips 61a and 62a of adhesives
- the first adhesive 61 and the second adhesive 62 are different, and relatively not very compatible with each other; in this case, the first adhesive 61 and the second adhesive 62 are co-crosslinked or co-crosslinkable with one another.
- the first adhesive is a urethane-acrylate copolymer
- the second adhesive is an ethylene-acrylic acid copolymer.
- the connecting means consists in providing a third adhesive, different from the first and second adhesives, and compatible with them
- the connecting means consists of an attached complex adhesive strip, inserted into the seal 22, and composed of a waterproof plastic support, for example polyester, with on one side, an adhesive compatible with the first adhesive 61, and on the other side another glue compatible with the second adhesive 62
- compatible or “compatibility” is meant the fact that two materials in contact with one another, for example along a joint plane, are capable of forming a relatively resistant homogeneous joint, which in particular implies relative migration of the two materials towards each other at their contact surface.
- glues and adhesives know how to choose materials which are compatible with each other, in particular by knowing their respective chemical natures.
- crosslinking of the single adhesive retained according to the present invention, or of the first adhesive and / or of the second adhesive, still according to the present invention makes it possible in particular to compensate for any relative incompatibilities of the materials between them, by providing a good mechanical bond. and sealing of the seal 22.
- the two adhesives 61, 62 are hot-melt, which means that when cold they are relatively inactive, while when hot they irreversibly exert their adhesive power, by melting then solidification.
- hot-melt Such a property will be particularly useful and implemented in the method of manufacturing a composite conduit according to the invention, described below.
- the second thermoplastic material B of the outer sheath 4 is crosslinkable, and optionally also the first thermoplastic material A of the inner tube 2.
- This crosslinking can be carried out by any means well known to the skilled person, such as irradiation under gamma radiation for example, incorporation of silane into the thermoplastic materials considered, with subsequent treatment with steam, for example.
- the crosslinking is adapted in each case to the nature of the thermoplastic material used and constituting the internal tube 2 or the external sheath 4.
- this crosslinking makes it possible to definitively fix the shape of the composite duct, for example of any element obtained by cutting, then forming a section of the duct according to
- the second thermoplastic material B is co-crosslinkable, or co-crosslinked, with the single adhesive retained according to the present invention, or the first and / or the second adhesive also retained according to another embodiment of the present invention.
- This choice appears in particular to be decisive in ensuring excellent cohesion between the outer sheath 4 and the reinforcing reinforcement 21, which in particular guarantees the mechanical strength and the tightness of the composite conduit finally obtained.
- the first and second adhesive retained according to the invention are moreover compatible with the metal or the metal alloy of the tape 3, so as to also provide a relatively resistant connection with respect to the latter.
- the first adhesive 61 and the second adhesive 62 are identical to a single adhesive compatible with both the first thermoplastic material A and the second thermoplastic material B, and the joint connecting means 22 then consists of a simple junction between the two internal bands 61a and 62a.
- connection joint 22 is obtained so as to form a tubular metallic sheath of substantially cylindrical external section, -
- connection means of the seal 22 consists of an addition 65 of a third adhesive, different from the first and second adhesives 61 and 62, but remaining compatible with them.
- the embodiment shown in Figure 4 differs from that shown in Figure 1 by the following features:
- the first adhesive 61 and the second adhesive 62 are different, relatively not very compatible with each other, and are co-crosslinked, or co-crosslinkable with one another;
- the first adhesive is for example a urethane-acrylate copolymer, and the second adhesive is an ethylene acrylic acid copolymer
- the second adhesive 62 is supported on the other side of the metal strip 3 by a layer 61b of the first adhesive 61, playing in a way the role of compatibilizing layer vis-à-vis the second adhesive.
- the installation for the manufacture of a cold-formable composite pipe element comprises, in the direction of manufacture of said element or pipe:
- the device 9 for forming the reinforcing reinforcement 21 comprises a support for a coil 14 of the metallic strip 3, for example made of aluminum, coated on these two faces respectively with the first adhesive 61 and the second adhesive 62, every two hot-melt, and a conformator 15 forcing the ribbon to wrap the inner tube 2, in the direction of its length, and causing the overlapping of its longitudinal edges.
- the shaper 15 is followed by a calibration ring 16 which, by forcing the connection joint 22 to be embedded in the hot and still malleable material, internal tube 2, gives the frame a cylindrical shape improving the tightness of the connection joint 22.
- the internal tube 2 is covered by the armature 3, which is itself immediately covered by the external sheath 4, coming from the extruder 10.
- the calories of the first thermoplastic material A, but also those of the second thermoplastic material B ensure the fusion of the two layers of heat-sensitive adhesives 61 and 62, and possibly their crosslinking. It follows that these two layers provide a positive connection of the inner tube 2 and the outer sheath 4 with the metal frame 3. Thus, at the outlet of the extruder 10, the tube-armature-sheath complex forms a monolithic assembly, a perfectly coherent composite.
- the composite conduit 20 is cooled in the tank 12, at the outlet of the pulling track 13, and is either cut into sections, or wound on coils, or is directly shaped by a roller forming device or others, shown schematically in 17.
- the shaping of the composite conduit 20 results in reduced crushing of the latter, and in particular of the reinforcement; this shaping also preserves the sealing of the duct 20. composite.
- This armature maintains the shape given to the conduit, until the next phase of crosslinking of the materials B and possibly A, constituting, respectively, the inner tube 2 and the outer sheath 4, and, possibly, the coriculation of the second 62 and / or the first adhesive 61.
- This crosslinking gives at least one of the two materials A and B a thermosetting behavior, which allows it to fix the conduit in the form it has been given; this form thus becomes definitive and remains practically insensitive to thermal variations or loads applied to the duct.
- Duct elements having thus obtained their final shape, and which can in particular be used in the automobile industry, for transporting different fluids, such as water, petrol, air or lubricant, are represented under the reference numeral 18.
- the forming operation can be carried out continuously, or as before, on sections of composite duct, sectioned; in the latter case, the forming of the sections can be carried out immediately after the manufacture of the composite conduit, or subsequently after storage of the different sections.
- the composite conduit 20 according to the invention makes it possible to produce formed elements 18, having complex shapes, retaining the shape given to them over time, and this for a relatively low transformation cost. Student.
- Example 1 Two exemplary embodiments of the present invention are now described.
- Example 1 Two exemplary embodiments of the present invention are now described.
- the composite duct consists of: - an internal tube (2) composed of a polyamide obtained by polycondensation of 11 amino undecanoic acid, of thickness equal to 0.4 mm, - of an aluminum ribbon (3) d 0.2 mm thick, coated on both sides with a polyurethane polymer crosslinkable hot-melt acrylate, with a softening temperature close to 130 ° C, and a thickness of 25 ⁇ m, of an external sheath (4) made of a polyethylene loaded with aluminum hydrate and halogen derivatives, necessary for its fireproofing, with an average thickness of 1.4 mm, bringing the outside diameter of the composite duct to 10 mm
- the polyurethane acrylate adhesive during the process defined above provides physical bonding with flame retardant and external polyethylene, and a physico-chemical bond with the internal polyamide.
- the action of gamma rays, at the end of the process, on the entire tube, causes the co-crosslinking, simultaneously, of the adhesive and of the external polyethylene sheath 2. A satisfactory adhesion is thus obtained between the polyethylene and the aluminum foil 3.
- the crosslinked polyurethane seal additionally provides excellent temperature resistance to the assembly.
- this type of composite tube offers a fuel permeability of 0.39 g / m 2 / h and a fire resistance of between 1 min 15 s and 1 min 30 s; the temperature resistance of this product makes it possible to reference it in the 125 ° C resistance class.
- Example 2
- the composite duct consists of:
- an inner tube (2) composed of a polyamide obtained by polycondensation of 11 amino undecanoic acid (or 12 amino dodecanoic acid), of thickness equal to 0.4mm
- the polyurethane acrylate and the ethylene acrylic acid copolymer provide physical-chemical bonding respectively with the plastic materials with which they are in contact, and with each other, in order to constitute a homogeneous composite tube.
- fuel permeability is measured at 0.40 g / m 2 / h and the fire resistance is between 1 min and ln 10.
- the duct can be classified 100 ° C. If the conduit is subjected to the action of gamma rays, (due to the crosslinking of the polymers chosen to be reactive with respect to fast electrons), the permeability remains unchanged, the fire resistance is brought to 1 min 30 s; its improved temperature resistance places it in the 125 ° C class.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Joints Allowing Movement (AREA)
- Details Of Indoor Wiring (AREA)
- Duct Arrangements (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/696,942 US5839478A (en) | 1994-02-22 | 1995-02-22 | Cold-formable composite pipe |
AU18519/95A AU1851995A (en) | 1994-02-22 | 1995-02-22 | Cold-formable composite pipe |
EP95910585A EP0746716B1 (fr) | 1994-02-22 | 1995-02-22 | Conduit composite formable a froid |
DE69500769T DE69500769T2 (de) | 1994-02-22 | 1995-02-22 | Kalt formbares verbundrohr |
BR9506842A BR9506842A (pt) | 1994-02-22 | 1995-02-22 | Conduto compósito conformável a frio e elemento de conduto |
JP7521638A JPH09508962A (ja) | 1994-02-22 | 1995-02-22 | 冷間形成可能な複合パイプ |
GR970403340T GR3025690T3 (en) | 1994-02-22 | 1997-12-16 | Cold-formable composite pipe |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9402343A FR2716522B3 (fr) | 1994-02-22 | 1994-02-22 | Conduit composite formable à froid et conduit formé à mémoire de forme. |
FR94/02343 | 1994-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995022712A1 true WO1995022712A1 (fr) | 1995-08-24 |
Family
ID=9460555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1995/000210 WO1995022712A1 (fr) | 1994-02-22 | 1995-02-22 | Conduit composite formable a froid |
Country Status (13)
Country | Link |
---|---|
US (1) | US5839478A (fr) |
EP (1) | EP0746716B1 (fr) |
JP (1) | JPH09508962A (fr) |
AT (1) | ATE158644T1 (fr) |
AU (1) | AU1851995A (fr) |
BR (1) | BR9506842A (fr) |
CA (1) | CA2182996A1 (fr) |
DE (1) | DE69500769T2 (fr) |
DK (1) | DK0746716T3 (fr) |
ES (1) | ES2110318T3 (fr) |
FR (1) | FR2716522B3 (fr) |
GR (1) | GR3025690T3 (fr) |
WO (1) | WO1995022712A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000022335A1 (fr) * | 1998-10-14 | 2000-04-20 | Chrispie | Conduit d'installation pour la construction d'un reseau de transport subaquatique de fluide, d'energie, ou de signaux |
EP2154402A3 (fr) * | 2008-08-11 | 2011-05-11 | LeadX Aktiengesellschaft | Produit de tuyau flexible multicouche et son procédé de fabrication |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000146034A (ja) * | 1998-11-06 | 2000-05-26 | Tokai Rubber Ind Ltd | 電動コンプレッサ用冷媒ホース |
JP2000179758A (ja) * | 1998-12-16 | 2000-06-27 | Tokai Rubber Ind Ltd | 電動コンプレッサ用冷媒ホース |
EP1039200A3 (fr) * | 1999-03-25 | 2003-01-29 | Uponor Innovation Ab | Tuyau composite metallo-plastique |
DE19953737C1 (de) * | 1999-11-09 | 2001-07-05 | Andre Anschuetz | Mehrschichtverbundrohr |
US20010006712A1 (en) * | 1999-12-27 | 2001-07-05 | Motoshige Hibino | Hose of impermeability and a process for manufacturing the same |
JP2001263544A (ja) * | 2000-03-21 | 2001-09-26 | Tokai Rubber Ind Ltd | 非透過型複合ホース |
WO2002029299A1 (fr) * | 2000-09-29 | 2002-04-11 | Yamashita Rubber Kabushiki Kaisha | Tuyau en caoutchouc possedant des parois minces et son procede de fabrication |
DE10138600B4 (de) * | 2001-08-07 | 2012-03-15 | Fränkische Rohrwerke Gebr. Kirchner GmbH + Co. KG | Anordnung sowie Verfahren zum Tiefziehen von Kunststoff-Metall-Kunststoff-Mehrschichtrohren |
ITTO20011119A1 (it) * | 2001-11-29 | 2003-05-29 | Europipes Srl | Tubo multistrato |
GB2397691B (en) * | 2003-01-24 | 2005-08-10 | Leica Microsys Lithography Ltd | Cooling of a device for influencing an electron beam |
TR200300145A2 (tr) * | 2003-02-04 | 2004-09-21 | D�Zayn Tekn�K Plast�K Boru Ve Elemanlari San. T�C. A.�. | Çok katmanlı kompozit boru üretim metodu ve sistemi |
DE10318328B3 (de) * | 2003-04-19 | 2004-07-15 | Uponor Innovation Ab | Kunstoff/Metall-Verbundrohr |
US7300554B2 (en) | 2003-09-11 | 2007-11-27 | Albany International Corp. | Textured surface of a tissue forming fabric to generate bulk, cross directional tensile, absorbency, and softness in a sheet of paper |
EP2232120B1 (fr) * | 2007-11-07 | 2012-04-18 | Parker-Hannifin Corporation | Tuyau souple basé sur une feuille d'aluminium |
US20100071797A1 (en) * | 2008-09-25 | 2010-03-25 | Jungers Jon W | Fire retardant air handling system ductwork component and method of manufacture |
EP3477176A1 (fr) * | 2017-10-25 | 2019-05-01 | Evonik Degussa GmbH | Procédé de fabrication d'un tube revêtu d'une gaine intérieure |
CN116123366B (zh) * | 2023-02-21 | 2023-11-03 | 江苏诺贝尔塑业股份有限公司 | 一种具有内衬的复合管及其加工装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2845908A1 (de) * | 1977-10-26 | 1979-05-03 | Abbott Joseph L | Mehrschichtiges rohr, insbesondere fuer grundkoerper von zusammendrueckbaren spendbehaeltern und verfahren zu seiner herstellung |
DE3016134A1 (de) * | 1980-04-24 | 1981-10-29 | Mecano-Bundy Gmbh, 6900 Heidelberg | Mehrlagenrohr |
DE3023214A1 (de) * | 1980-06-21 | 1982-03-04 | Lorowerk K.H. Vahlbrauk GmbH & Co KG, 3353 Bad Gandersheim | Verfahren zur herstellung eines verbundrohres |
DE3104161A1 (de) * | 1981-02-06 | 1982-08-19 | Siemens AG, 1000 Berlin und 8000 München | Kunststoffschlauch oder kunststoffrohr fuer den transport korrosionsfoerdernder medien |
FR2516443A1 (fr) * | 1981-11-16 | 1983-05-20 | Kabel Metallwerke Ghh | Procede et dispositif pour la fabrication d'un tuyau complexe |
US4421827A (en) * | 1982-01-18 | 1983-12-20 | Scott Bader Company Limited | Composites and methods for providing metal clad articles and articles produced |
EP0375608A1 (fr) * | 1988-12-11 | 1990-06-27 | "Brugg"-Kabel Ag | Conduite flexible de transport de fluides |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3047181A1 (de) * | 1980-12-15 | 1982-06-16 | Hoechst Ag, 6000 Frankfurt | Kunststoffrohr mit sauerstoffdichter ummantelung |
DE3319515A1 (de) * | 1983-05-28 | 1984-11-29 | kabelmetal electro GmbH, 3000 Hannover | Leitungsrohr fuer den transport erwaermter medien |
US4758455A (en) * | 1985-07-10 | 1988-07-19 | Handy & Harman Automotive Group Inc. | Composite fuel and vapor tube having increased heat resistance |
FI80853C (sv) * | 1988-06-07 | 1990-08-10 | Neste Oy | Plastbelagt stålrör |
GB2226380A (en) * | 1988-12-22 | 1990-06-27 | John Peter Booth | Tapered tubular composite shafts |
SE503438C2 (sv) * | 1991-06-28 | 1996-06-17 | Trelleborg Ind Ab | Diffusionstät slang av elastmaterial med plastisk deformerbarhet |
-
1994
- 1994-02-22 FR FR9402343A patent/FR2716522B3/fr not_active Expired - Lifetime
-
1995
- 1995-02-22 AT AT95910585T patent/ATE158644T1/de not_active IP Right Cessation
- 1995-02-22 JP JP7521638A patent/JPH09508962A/ja active Pending
- 1995-02-22 CA CA002182996A patent/CA2182996A1/fr not_active Abandoned
- 1995-02-22 US US08/696,942 patent/US5839478A/en not_active Expired - Fee Related
- 1995-02-22 EP EP95910585A patent/EP0746716B1/fr not_active Expired - Lifetime
- 1995-02-22 WO PCT/FR1995/000210 patent/WO1995022712A1/fr active IP Right Grant
- 1995-02-22 ES ES95910585T patent/ES2110318T3/es not_active Expired - Lifetime
- 1995-02-22 DE DE69500769T patent/DE69500769T2/de not_active Expired - Fee Related
- 1995-02-22 DK DK95910585.9T patent/DK0746716T3/da active
- 1995-02-22 AU AU18519/95A patent/AU1851995A/en not_active Abandoned
- 1995-02-22 BR BR9506842A patent/BR9506842A/pt active Search and Examination
-
1997
- 1997-12-16 GR GR970403340T patent/GR3025690T3/el unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2845908A1 (de) * | 1977-10-26 | 1979-05-03 | Abbott Joseph L | Mehrschichtiges rohr, insbesondere fuer grundkoerper von zusammendrueckbaren spendbehaeltern und verfahren zu seiner herstellung |
DE3016134A1 (de) * | 1980-04-24 | 1981-10-29 | Mecano-Bundy Gmbh, 6900 Heidelberg | Mehrlagenrohr |
DE3023214A1 (de) * | 1980-06-21 | 1982-03-04 | Lorowerk K.H. Vahlbrauk GmbH & Co KG, 3353 Bad Gandersheim | Verfahren zur herstellung eines verbundrohres |
DE3104161A1 (de) * | 1981-02-06 | 1982-08-19 | Siemens AG, 1000 Berlin und 8000 München | Kunststoffschlauch oder kunststoffrohr fuer den transport korrosionsfoerdernder medien |
FR2516443A1 (fr) * | 1981-11-16 | 1983-05-20 | Kabel Metallwerke Ghh | Procede et dispositif pour la fabrication d'un tuyau complexe |
US4421827A (en) * | 1982-01-18 | 1983-12-20 | Scott Bader Company Limited | Composites and methods for providing metal clad articles and articles produced |
EP0375608A1 (fr) * | 1988-12-11 | 1990-06-27 | "Brugg"-Kabel Ag | Conduite flexible de transport de fluides |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000022335A1 (fr) * | 1998-10-14 | 2000-04-20 | Chrispie | Conduit d'installation pour la construction d'un reseau de transport subaquatique de fluide, d'energie, ou de signaux |
FR2784734A1 (fr) * | 1998-10-14 | 2000-04-21 | Novoplastic Sa | Ensemble pour la construction d'un reseau de transport subaquatique de fluide, d'energie, ou de signaux |
EP2154402A3 (fr) * | 2008-08-11 | 2011-05-11 | LeadX Aktiengesellschaft | Produit de tuyau flexible multicouche et son procédé de fabrication |
Also Published As
Publication number | Publication date |
---|---|
EP0746716A1 (fr) | 1996-12-11 |
EP0746716B1 (fr) | 1997-09-24 |
CA2182996A1 (fr) | 1995-08-24 |
DE69500769T2 (de) | 1998-04-09 |
DE69500769D1 (de) | 1997-10-30 |
FR2716522A3 (fr) | 1995-08-25 |
JPH09508962A (ja) | 1997-09-09 |
BR9506842A (pt) | 1997-10-14 |
GR3025690T3 (en) | 1998-03-31 |
US5839478A (en) | 1998-11-24 |
DK0746716T3 (da) | 1998-05-11 |
ES2110318T3 (es) | 1998-02-01 |
ATE158644T1 (de) | 1997-10-15 |
FR2716522B3 (fr) | 1996-01-12 |
AU1851995A (en) | 1995-09-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0746716B1 (fr) | Conduit composite formable a froid | |
EP0154931B1 (fr) | Procédé de fabrication d'un tube composite | |
EP0507680B1 (fr) | Procédé de réalisation en continu d'une structure tubulaire souple comportant un feuil monocouche d'épaisseur micrométrique incorporé et structures tubulaires souples réalisées selon ce procédé | |
EP0263760B1 (fr) | Procédé de fabrication de tubes composites pour le transport de fluides divers | |
EP0507679B1 (fr) | Procédé de réalisation en continu d'une structure tubulaire souple comportant une feuille multicouche d'épaisseur micrométrique incorporé et structures tubulaires souples réalisées selon ce procédé | |
EP0936389B1 (fr) | Tuyau pour le transport de fluide gazeux, notamment dans les véhicules à moteur, et son procédé de fabrication | |
EP0067919A1 (fr) | Tuyau en matière plastique renforcé par une armature | |
WO2000032978A1 (fr) | Procede de raccordement de deux tubes en materiau thermoplastique renforce | |
EP1890071A2 (fr) | Tuyau coude, produit intermediaire en forme de tuyau rectiligne et procédé pour couder ce produit intermediaire | |
WO2009007537A1 (fr) | Procede de liaison de tubes par soudage magnetique | |
FR2502288A1 (fr) | Procede pour revetir un tube et tube obtenu | |
WO1996018840A1 (fr) | Canalisation en materiau synthetitque composite | |
FR2812929A1 (fr) | Tube multicouche en matiere plastique pour fluides utilises dans les vehicules automobiles | |
FR2731767A1 (fr) | Canalisation en materiau synthetique composite | |
FR2787548A1 (fr) | Flexible composite pour le transport de fluide et son procede de fabrication | |
EP0833994A1 (fr) | Gaine de cable a structure multi-couche, son procede de fabrication et machine pour mettre en uvre ce procede | |
EP4061610B1 (fr) | Procédé de fabrication d'un réservoir composite de fluide sous pression | |
FR2728048A1 (fr) | Canalisation en materiau synthetique multicouche | |
EP3464985B1 (fr) | Procédé de raccordement de deux éléments unitaires de conduite de transport de fluides au moyen de coques rigides | |
FR2690095A1 (fr) | Procédé de fabrication d'une enveloppe tubulaire métallique et enveloppe obtenue selon ce procédé. | |
CH686169A5 (fr) | Procede de fabrication d'une enveloppe tubulaire metallique et enveloppe obtenue selon ce procede. | |
EP0687850A1 (fr) | Gaine d'isolation thermique pour canalisation et son procédé de fabrication | |
FR2723628A1 (fr) | Canalisation en materiau synthetique multicouche | |
FR2771033A1 (fr) | Reservoir pour gaz naturel pour vehicule, et procede de fabrication de reservoir | |
FR2487567A1 (fr) | Cable d'energie electrique comportant un ecran de blindage pourvu d'un joint d'etancheite |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AM AT AU BB BG BR BY CA CH CN CZ DE DK ES FI GB GE HU JP KE KG KP KR KZ LK LT LU LV MD MG MN MW NL NO NZ PL PT RO RU SD SE SI SK TJ TT UA UG US UZ VN |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): KE MW SD SZ UG AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1995910585 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2182996 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 08696942 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1995910585 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWG | Wipo information: grant in national office |
Ref document number: 1995910585 Country of ref document: EP |