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WO2008034687A1 - Procédé de fabrication d'un réservoir d'eau chaude - Google Patents

Procédé de fabrication d'un réservoir d'eau chaude Download PDF

Info

Publication number
WO2008034687A1
WO2008034687A1 PCT/EP2007/058875 EP2007058875W WO2008034687A1 WO 2008034687 A1 WO2008034687 A1 WO 2008034687A1 EP 2007058875 W EP2007058875 W EP 2007058875W WO 2008034687 A1 WO2008034687 A1 WO 2008034687A1
Authority
WO
WIPO (PCT)
Prior art keywords
fiber
plastic
hot water
plastic body
reinforcing material
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/EP2007/058875
Other languages
German (de)
English (en)
Inventor
Georg Stadler
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to EP07802914A priority Critical patent/EP2066492A1/fr
Publication of WO2008034687A1 publication Critical patent/WO2008034687A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating
    • B29C49/786—Temperature
    • B29C2049/7864—Temperature of the mould
    • B29C2049/78645—Temperature of the mould characterised by temperature values or ranges
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • 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
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0809—Fabrics
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7152—Hot water bottles
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7154—Barrels, drums, tuns, vats
    • B29L2031/7156—Pressure vessels

Definitions

  • the invention relates to a method for producing a hot water tank.
  • pressure-resistant bodies are preferably made of metal or plastic.
  • Methods for the production of pressure-resistant plastic bodies are known in the art.
  • a plastic body is surrounded with a fiber skeleton, which is solidified with a resin under the action of heat.
  • the fiber skeleton serves to stabilize the composite molding serving as a hot water storage tank and ensures that the composite molding is pressure-stable, e.g. when filled with liquids.
  • DE 100 07 373 C1 describes a method for producing sandwich components, in which a resin is first injected into a reinforcing fabric, then brought to a melting point, and finally cured under pressure.
  • the method according to the invention comprises the following steps: wrapping, in particular wrapping and / or spanning, of a possibly preformed plastic body with a fibrous reinforcing material; Introducing the coated plastic body into a support form; Closing the support form; Temperieren the support mold, so that the plastic melts; Applying a pressure in the interior of the plastic body, so that the molten plastic is pressed outwards, and with the surrounding fiber fabric forms the hot water tank; Curing the resulting hot water storage tank; and removal of the resulting hot water tank.
  • the plastic body In the molding of the plastic body can be chosen between many different shapes. If a plastic body for a tank, for example, desired for a hot water tank, the plastic body is preferably cylindrical. In a preferred embodiment, the plastic body is made of polypropylene, but other materials can be chosen.
  • the plastic body In a next step, the plastic body is surrounded with the fibrous reinforcing material. The fiber reinforcement is wound around the plastic body or a network of fibers or the like is stretched over it. Continuous fibers can also be used as fiber reinforcement.
  • the plastic mold surrounded by the fibrous reinforcing material is introduced into a support mold. This support form is in a preferred embodiment made of steel, but other heat and pressure resistant materials of metallic or non-metallic nature may be used.
  • the introduction of the plastic body is particularly facilitated by the support form is in two parts, but it can also have more parts or be one-piece.
  • the support mold is now tempered, that is heated so far that the plastic begins to melt on its outside. It has proved to be particularly advantageous if the temperature is selected such that the plastic becomes soft but not liquid. This allows the plastic to penetrate into the fibers of the fibrous reinforcing material, but it is prevented from liquefying and, following gravity, to accumulate in the lower part of the support form.
  • a pressure is applied inside the plastic body. This can be done by introducing compressed air via a supply line. In this case, various gases or gas mixtures can be used, the nitrogen, Contain oxygen, carbon dioxide or noble gases.
  • the application of a pressure can take place before, after or simultaneously with the heating. It is particularly advantageous if it takes place simultaneously.
  • the softened by the temperature plastic material is pressed to the outside.
  • the outer reinforcing fibers remain stable due to their properties and are wrapped and embedded with the outwardly urging plastic.
  • the finished plastic body which now represents a composite molding of fiber material and plastic enclosed therein, can be removed.
  • the plastic body now has a pure plastic inner surface and a reinforced area in the outer wall.
  • the reinforcing fibers can optimally absorb the stress across the plastic matrix.
  • Another way to push the plastic out into the fibers is to use a centrifugal force to force the plastic material into the reinforcing fibers. It can be dispensed with the application of pressure, but it can also be used simultaneously or successively pressure and centrifugal force to urge the plastic material to the outside in the reinforcing fibers.
  • a centrifugal force to force the plastic material into the reinforcing fibers. It can be dispensed with the application of pressure, but it can also be used simultaneously or successively pressure and centrifugal force to urge the plastic material to the outside in the reinforcing fibers.
  • the method according to the invention achieves a considerable improvement over the prior art. Compared to the conventional methods in which resin is used, considerably lighter plastic containers are obtained with the aid of the method according to the invention.
  • the surface of the hot water tank has a more homogeneous nature than that of a container which has been solidified by means of a resin. This is because in the solidification of the plastic container according to the invention by variations of the applied pressure or the temperature, the curing can be very selectively controlled and influenced. By eliminating a resin in the production of the plastic container, the plastic container can be easily recycled. In addition, a production by the method according to the invention is less expensive than is the case in the prior art.
  • a fibrous reinforcing material a material, the glass fiber and / or plastic fiber and / or - A -
  • Carbon fiber and / or natural fiber and / or metal fiber is used. These materials are characterized by a particularly high stability and good processability.
  • sisal fibers has proved to be particularly advantageous.
  • the fibrous reinforcing material used is a material containing at least one fiber selected from the group consisting of woven fabrics, knitted fabrics, woven fabrics, paper, metallic meshes and porous membranes.
  • the plastic body is made of polypropylene.
  • the plastic is soft but not liquid so that it can penetrate into the fibrous reinforcing material.
  • Fig. 1 is an illustration of a plastic container before the start of the process
  • Fig. 2 is an illustration of a plastic container surrounded by fibers
  • Fig. 3 is an illustration of a plastic container when inserted into a support mold
  • FIG. 4 shows an illustration of a plastic container when the support mold is closed; such as
  • Fig. 5 is an illustration of a hot water storage according to the invention after completion of the method.
  • Fig. 1 shows a preformed plastic container 2 before the start of the execution of the method for producing a hot water tank 1. Since the container 2 must be tight when a pressure is applied, it is advantageous if the plastic container 2 has only one opening. Through this, a compressed air 5 can be supplied, and in the later use the desired good, e.g. Water filled or removed.
  • the plastic container 2 should have as uniform a wall thickness as possible. In a preferred embodiment, the plastic container 2 contains polypropylene.
  • FIG. 2 shows a plastic container 2 surrounded by fibers.
  • a fiber-containing reinforcing material 3 was wound around the plastic body 2.
  • a fiber from the group comprising glass fiber, plastic fiber, carbon fiber, natural fiber or metal fiber is used for this purpose.
  • Fig. 3 shows a plastic container 2, which is introduced into a support mold.
  • This support form 4 is in a preferred embodiment of steel. The introduction of the plastic body 2 is particularly facilitated by the support mold 4 is in two parts.
  • Fig. 4 shows a plastic container 2 in a support mold 4, after it has been closed.
  • This support mold 4 can now be tempered, that is heated so far that the plastic begins to melt on its outside. It has proved to be particularly advantageous if the temperature is selected such that the plastic becomes soft but not liquid. As a result, the plastic can penetrate into the fibers of the fibrous reinforcing material 3, but it is avoided that it liquefies, and gravity accumulates in the lower region of the support mold 4 reinforced.
  • a pressure in the interior of the plastic body 2 is applied. This can be done by introducing compressed air 5 via a supply line 6. The application of a pressure can take place before, after or simultaneously with the heating. It is particularly advantageous if it takes place simultaneously.
  • the softened by the temperature plastic material is pressed to the outside.
  • the outer reinforcing fibers 3 remain stable due to their properties and are coated with the outwardly urging plastic and embedded. It is particularly advantageous in this case if during tempering of the support die 4 to a temperature of 150 to 250 9 C, preferably 180 to 220 ° C, more preferably 190-21 CO, and most preferably 20CO is used and the application of the Dru- ckes and / or the tempering over a period of 60 to 180 sec, preferably 90 to 150 sec, and more preferably over a period of 120 sec.
  • Fig. 5 shows a finished hot water tank 1 after completion of the process.
  • the outer reinforcing fibers 3 remain stable due to their properties and are enveloped and embedded by the outwardly urging plastic.
  • On the right side of Fig. 5 a detail is shown. It can be seen that the fibers 3 are embedded in the outer region of the container wall 2.
  • the inventive method allows a cost-effective, fast and environmentally friendly production of a hot water tank 1, which has a high compressive strength.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Moulding By Coating Moulds (AREA)
  • Reinforced Plastic Materials (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Woven Fabrics (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un réservoir d'eau chaude (1). Selon l'invention, ce procédé comprend les étapes suivantes, consistant à : entourer un corps en matière plastique (2), éventuellement prémoulé, avec un matériau de renforcement fibreux (3), mettre en place le corps en matière plastique entouré (2) dans un moule support (4), fermer le moule support (4), mettre en température le moule support (4), de sorte que le plastique fonde, appliquer une pression à l'intérieur du corps en matière plastique (2), de sorte que le plastique fondu est pressé vers l'extérieur et forme, avec le tissu de fibres (3) qui l'entoure, un réservoir d'eau chaude, durcir le réservoir d'eau chaude (1) résultant, et retirer le réservoir d'eau chaude résultant (1). Le procédé selon l'invention permet une fabrication peu coûteuse, rapide et non polluante d'un réservoir d'eau chaude (1), qui présente une résistance élevée à la pression.
PCT/EP2007/058875 2006-09-18 2007-08-27 Procédé de fabrication d'un réservoir d'eau chaude Ceased WO2008034687A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07802914A EP2066492A1 (fr) 2006-09-18 2007-08-27 Procédé de fabrication d'un réservoir d'eau chaude

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006043688A DE102006043688A1 (de) 2006-09-18 2006-09-18 Verfahren zur Herstellung eines Warmwasserspeichers
DE102006043688.1 2006-09-18

Publications (1)

Publication Number Publication Date
WO2008034687A1 true WO2008034687A1 (fr) 2008-03-27

Family

ID=38894067

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/058875 Ceased WO2008034687A1 (fr) 2006-09-18 2007-08-27 Procédé de fabrication d'un réservoir d'eau chaude

Country Status (5)

Country Link
EP (1) EP2066492A1 (fr)
CN (1) CN101516609A (fr)
DE (1) DE102006043688A1 (fr)
RU (1) RU2446947C2 (fr)
WO (1) WO2008034687A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010046305A3 (fr) * 2008-10-22 2010-08-05 BSH Bosch und Siemens Hausgeräte GmbH Procédé de fabrication d'un profilé en plastique renforcé par fibres
WO2022258447A1 (fr) 2021-06-10 2022-12-15 Mubea Carbo Tech Gmbh Procédé de fabrication de parties composites de fibres

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009052835A1 (de) * 2009-11-13 2011-05-19 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zum Herstellen eines Bauteils aus einem faserverstärkten Werkstoff
DE102009057498A1 (de) * 2009-12-10 2011-06-16 Rehau Ag + Co. Verfahren zur Herstellung eines faserverstärkten Kunststoff-Hohlprofils
DE102012010271B4 (de) * 2012-05-25 2017-10-12 Premium Aerotec Gmbh Verfahren zur Herstellung eines Faserverbundbauteils mittels eines Vakuumaufbaues
CN106994788A (zh) * 2016-01-22 2017-08-01 翁庆隆 复材管件成化的方法及装置
DE102023120292A1 (de) * 2023-07-31 2025-02-06 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Werkzeug zur Herstellung eines Faserverbund-Hohlkörpers

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR980230A (fr) * 1949-02-08 1951-05-09 Récipient en matériau feuilleté et son procédé de fabrication
JPS5849851A (ja) * 1981-09-18 1983-03-24 Dainippon Ink & Chem Inc 貯湯槽
EP0345450A1 (fr) * 1988-04-30 1989-12-13 Holger Knappe Conteneur en matière plastique pour liquides ou gaz
WO1998051480A1 (fr) * 1997-05-12 1998-11-19 Volvo Personvagnar Ab Dispositif, procede et corps creux associes au formage de composants en plastique
WO2000015417A1 (fr) * 1998-09-11 2000-03-23 Essef Corporation Procede de fabrication d'enceintes sous pression composites et produits fabriques a l'aide de ce procede
EP1234654A1 (fr) * 2001-02-23 2002-08-28 Essef Corporation d.b.a. Pentair Water Treatment Méthode de fabrication d'une enceinte sous pression

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DE1025133B (de) * 1953-04-24 1958-02-27 Continental Gummi Werke Ag Verfahren zum Herstellen von Schlaeuchen od. dgl. aus thermoplastischem Kunststoff
SU380468A1 (ru) * 1968-07-10 1973-05-15 Способ изготовления замкнутых стеклопастиковых
EP0040492A3 (fr) * 1980-05-21 1984-07-11 Mitsubishi Rayon Co., Ltd. Matière de moulage pour tubes plastiques renforcés de fibres
US4846908A (en) * 1987-04-03 1989-07-11 E. I. Du Pont De Nemours And Company Process for preparing a fiber reinforced resin matrix preform
PT1112172E (pt) * 1998-09-11 2004-10-29 Essef Corp Metodo para fabricar recipientes compositos sob pressao e produtos fabricados atraves desse metodo
DE19852159C1 (de) * 1998-11-12 2000-02-24 Thueringisches Inst Textil Verfahren zur Herstellung von faserverstärkten, thermoplastischen Hohlkörpern
FR2793186B1 (fr) * 1999-05-04 2001-06-15 Vetrotex France Sa Produits composites creux et procede de fabrication
DE60013801T2 (de) * 2000-02-28 2005-01-27 Pentair, Inc., Cincinnati Verfahren zur herstellung von druckbehältern aus verbundwerkstoff und durch dieses verfahren hergestellte gegenstände
DE102005020907A1 (de) * 2004-04-29 2005-12-15 Technische Universität Dresden Hohlstruktur aus faserverstärktem Kunststoff mit Lasteinleitungselementen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR980230A (fr) * 1949-02-08 1951-05-09 Récipient en matériau feuilleté et son procédé de fabrication
JPS5849851A (ja) * 1981-09-18 1983-03-24 Dainippon Ink & Chem Inc 貯湯槽
EP0345450A1 (fr) * 1988-04-30 1989-12-13 Holger Knappe Conteneur en matière plastique pour liquides ou gaz
WO1998051480A1 (fr) * 1997-05-12 1998-11-19 Volvo Personvagnar Ab Dispositif, procede et corps creux associes au formage de composants en plastique
WO2000015417A1 (fr) * 1998-09-11 2000-03-23 Essef Corporation Procede de fabrication d'enceintes sous pression composites et produits fabriques a l'aide de ce procede
EP1234654A1 (fr) * 2001-02-23 2002-08-28 Essef Corporation d.b.a. Pentair Water Treatment Méthode de fabrication d'une enceinte sous pression

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010046305A3 (fr) * 2008-10-22 2010-08-05 BSH Bosch und Siemens Hausgeräte GmbH Procédé de fabrication d'un profilé en plastique renforcé par fibres
CN102202873A (zh) * 2008-10-22 2011-09-28 Bsh博世和西门子家用电器有限公司 用于制造纤维增强的塑料型件的方法
WO2022258447A1 (fr) 2021-06-10 2022-12-15 Mubea Carbo Tech Gmbh Procédé de fabrication de parties composites de fibres

Also Published As

Publication number Publication date
DE102006043688A1 (de) 2008-03-27
EP2066492A1 (fr) 2009-06-10
RU2446947C2 (ru) 2012-04-10
CN101516609A (zh) 2009-08-26
RU2009114323A (ru) 2010-10-27

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