EP0355901A1 - Procédé de fabrication d'une matière tubulaire - Google Patents

Procédé de fabrication d'une matière tubulaire Download PDF

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Publication number
EP0355901A1
EP0355901A1 EP89202049A EP89202049A EP0355901A1 EP 0355901 A1 EP0355901 A1 EP 0355901A1 EP 89202049 A EP89202049 A EP 89202049A EP 89202049 A EP89202049 A EP 89202049A EP 0355901 A1 EP0355901 A1 EP 0355901A1
Authority
EP
European Patent Office
Prior art keywords
hose
process according
tube
braiding
cylindrical unit
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.)
Withdrawn
Application number
EP89202049A
Other languages
German (de)
English (en)
Inventor
Christiaan Theodorus Johannes Van Mol
Martinus Cornelis Adrianus Van Den Aker
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Publication of EP0355901A1 publication Critical patent/EP0355901A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • D06B3/105—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics of tubular fabrics

Definitions

  • the invention relates to a process for producing and treating a cylindrical unit, in which process a hose is made from flexible threads around a tube, upon which the hose is subjected to thermal treatment and is molded to form a cylinder around the tube.
  • Such a process is known from US-A-4202718.
  • a cylindrical unit is formed by winding threads spirally around a mandrel into a cylindrical reinforcing layer, after which the layer is incorporated in a tubular product by impregnating it with a resinous material and thermoforming it. It is described that a second set of threads can be wound spirally in the other direction to bind the first threads. Further longitudinal strands are added.
  • tapes of resinous material can be wound around the reinforcing layer before thermoforming it.
  • the object of the invention is to provide a process of the above-mentioned kind, in which process a product is formed which does not have said disadvantage.
  • hose is made from threads which are braided or knitted together.
  • a process for producing a braided or knitted hose for impregnating use is known from NL-A-8502880.
  • the hose is produced by means of a so­called circular braiding machine, in which process the hose is formed on a prolonged support or support tube and is subsequently rolled on a reel. After that this hose is drawn over another support tube and impregnated.
  • the support tube need no longer be fixed with rolls pressing through the hose material, but this is effected via the piece of tube passing through the heart of the circular braiding machine, round which the hose is produced.
  • the next circular braiding machine may be connected in a continuous process, so that in principle an endlessly long hose can be obtained.
  • a hose filled with a core of, for instance, foamed material by allowing this endlessly or not endlessly long core in the treatment of the hose to move along with the hose through, in this case, a hollow tube, in which process the supporting function of the tube is taken over, after the end of said tube, by the core material.
  • the product can be adjusted, locally if so desired, to highly specific requirements in a continuous process.
  • the hose is impregnated, after braiding, with a thermosetting or thermoplastic resin and subsequently dried and/or cooled, so that a resin-impregnated hose is obtained.
  • the hose is coated, after the braiding, with a material suited for the impregnation, and subsequently sub­jected to thermal treatment so that the fibre is impregnated.
  • the hose is built up at least in part of fibres which already contain a material suitable for impregnation, so that the fibre itself provides part of the material suitable for the impregnation.
  • a hose is formed by means of circular braiding machines 10, two such machines being shown in the figure, but it is clear that such a hose can be realized also with one or with more than two circular braiding machines.
  • the circular braiding machine 10 forms the hose round a tube 7, which is secured on the one side by a frame on which also the circular braiding machines 10 have been mounted, and which, on the other side, projects through the central openings in the circular braiding machines 10, all of it as customary in this art.
  • For more information about the winding round a tube reference may be made, for instance, to the German Offenlegungs­schrift 3245705. It is clear that within the scope of the invention other types can be used without problem.
  • this tube should extend through the arrangement in so far as the hose must be supported on the inside.
  • the formed hose over tube 7 may optionally be provided with a layer of material suited for the impregnation.
  • This material may be unrolled, for instance, from rolls 8 placed on either side of the tube in the embodiment shown, but it is clear that more than two rolls may be pre­sent also and optionally only one roll may be present, too.
  • the hose may be passed via the tube through an impregnating bath with a liquid thermosetting or thermoplastic resin. This is not essentially different from applying material suited for impregnation via rolls 8. If impregnation has been effected with a liquid resin, the resin can be dried and/or cooled so that a semi-­finished article is obtained that can preferably yet be moulded to some degree.
  • the hose while still moving over tube 7, can be fed to an oven 2.
  • the material suited for impregnation is a thermoplastic resin
  • the hose is heated to a temperature at which the material suited for impregnation becomes soft.
  • the chosen tem­perature depends on the composition of the material suited for impregnation.
  • the hose can be fed to a mould or shaping device 3.
  • the hose then still moves over the tube and is thus, on the inside, kept in the shape of it.
  • the outer shape of the tube can be chosen in such a form as is required for the cylindri­cal unit which is to be produced. At the same time the outside is brought into the correct shape.
  • the hose is cooled to a temperature below the softening temperature, in which process a cylinder is obtained.
  • the shape of this cylinder may be round, but may also be oblong, or the cylinder may be of any other shape.
  • the cylinder leaves tube 7 and is subsequently sub­jected to further treatment in a cooling tunnel 4, where the cylinder is cooled further. If impregnation is effected with a thermosetting resin, the shaping can take place in the oven during the curing.
  • the cylinder passes through a drawing unit 5 and is moved on to a sawing unit 6, where the cylinder is cut to the correct length to form a cylindrical unit. At this moment the cylinder is a completely solid and hard cylindrical unit. It is clear that the hose or cylinder is moved forward by means of drawing unit 5, so that a process is created called pultrusion. Within the scope of the inven­tion numerous other variants are, of course, possible.
  • thermoplast applied can, for instance, be polyethylene, polypropylene, acrylonitril butadiene styrene graft copolymers (ABS), various grades of polyamides, polyesters, etc.
  • ABS acrylonitril butadiene styrene graft copolymers
  • Impregnation can be effected also with caprolactam according to RIM-Nylon (Reaction Injection Moulding) techniques known per se. Then the shaping takes place before and/or during the polymerization.
  • RIM-Nylon Reaction Injection Moulding
  • thermosetting resin applied can, for instance, be epoxy resin, unsaturated polyester resin, polyurethane resin, acrylate resin, phenolformaldehyde resin, melamineformaldehyde resin, etc.
  • reinforcement fibre can, for instance, be used glass fibre, carbon fibre, aramide fibre, nylon fibre, acrylonitrile and other fibres. Preference is given to the use of glass, carbon or ara­mide fibres.
  • the melting temperature of the fibre must, of course, be significantly higher than the curing or melting temperature of the material suited for impregnation.
  • a cylindrical unit according to this invention can be used for replacing cylindrical units made of other materials, and espe­cially in those cases in which a low weight and a high torsional and flexural resistance are deemed to be important.
  • the cylindrical unit may yet be thermically shaped later on. With a ther­mosetting matrix material the shaping must take place during the curing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
EP89202049A 1988-08-13 1989-08-08 Procédé de fabrication d'une matière tubulaire Withdrawn EP0355901A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8802015A NL8802015A (nl) 1988-08-13 1988-08-13 Werkwijze voor het vervaardigen van een kokervormige eenheid.
NL8802015 1988-08-13

Publications (1)

Publication Number Publication Date
EP0355901A1 true EP0355901A1 (fr) 1990-02-28

Family

ID=19852756

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89202049A Withdrawn EP0355901A1 (fr) 1988-08-13 1989-08-08 Procédé de fabrication d'une matière tubulaire

Country Status (2)

Country Link
EP (1) EP0355901A1 (fr)
NL (1) NL8802015A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009049177A1 (de) * 2009-10-13 2011-05-05 Veritas Ag Verfahren und Vorrichtung zur Imprägnierung eines Textilschlauchs
CN114523693A (zh) * 2022-01-14 2022-05-24 中裕软管科技股份有限公司 一种软管编织涂层一体化成型工艺及软管

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1092329A (fr) * 1953-09-08 1955-04-20 Paix & Cie Procédé et appareil pour l'enduction de tissus tubulaires
FR2319482A1 (fr) * 1975-07-29 1977-02-25 Intruco Ltd Guernsey Procede et dispositif pour la production de tubes en caoutchouc renforces et tubes produits
FR2373386A1 (fr) * 1976-12-09 1978-07-07 Kuraray Plastics Co Procede et appareil de realisation de tubes souples armes de fibres et resistant a la pression
EP0006601A1 (fr) * 1978-07-03 1980-01-09 Hoechst Aktiengesellschaft Procédé et dispositif pour la fabrication en continu de tubes en hydrate de cellulose renforcés par des fibres
EP0223277A1 (fr) * 1985-10-22 1987-05-27 Koninklijke Nijverdal-Ten Cate N.V. Procédé et installation pour imprégner une matière tubulaire textile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1092329A (fr) * 1953-09-08 1955-04-20 Paix & Cie Procédé et appareil pour l'enduction de tissus tubulaires
FR2319482A1 (fr) * 1975-07-29 1977-02-25 Intruco Ltd Guernsey Procede et dispositif pour la production de tubes en caoutchouc renforces et tubes produits
FR2373386A1 (fr) * 1976-12-09 1978-07-07 Kuraray Plastics Co Procede et appareil de realisation de tubes souples armes de fibres et resistant a la pression
EP0006601A1 (fr) * 1978-07-03 1980-01-09 Hoechst Aktiengesellschaft Procédé et dispositif pour la fabrication en continu de tubes en hydrate de cellulose renforcés par des fibres
EP0223277A1 (fr) * 1985-10-22 1987-05-27 Koninklijke Nijverdal-Ten Cate N.V. Procédé et installation pour imprégner une matière tubulaire textile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009049177A1 (de) * 2009-10-13 2011-05-05 Veritas Ag Verfahren und Vorrichtung zur Imprägnierung eines Textilschlauchs
CN114523693A (zh) * 2022-01-14 2022-05-24 中裕软管科技股份有限公司 一种软管编织涂层一体化成型工艺及软管
CN114523693B (zh) * 2022-01-14 2024-06-21 中裕软管科技股份有限公司 一种软管编织涂层一体化成型工艺及软管

Also Published As

Publication number Publication date
NL8802015A (nl) 1990-03-01

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