EP1126069A2 - Cuve pour appareil domestique - Google Patents

Cuve pour appareil domestique Download PDF

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Publication number
EP1126069A2
EP1126069A2 EP01103296A EP01103296A EP1126069A2 EP 1126069 A2 EP1126069 A2 EP 1126069A2 EP 01103296 A EP01103296 A EP 01103296A EP 01103296 A EP01103296 A EP 01103296A EP 1126069 A2 EP1126069 A2 EP 1126069A2
Authority
EP
European Patent Office
Prior art keywords
wall
inner container
container according
drum
thermoplastic
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
EP01103296A
Other languages
German (de)
English (en)
Other versions
EP1126069A3 (fr
Inventor
Klaus Klemm
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.)
Basell Poliolefine Italia SRL
Original Assignee
Basell Polyolefine GmbH
Basell Polypropylen 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 Basell Polyolefine GmbH, Basell Polypropylen GmbH filed Critical Basell Polyolefine GmbH
Publication of EP1126069A2 publication Critical patent/EP1126069A2/fr
Publication of EP1126069A3 publication Critical patent/EP1126069A3/fr
Ceased 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
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/261—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
    • D06F37/262—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements made of plastic material, e.g. by injection moulding
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/261—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
    • D06F37/263—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements assembled from at least two elements connected to each other; Connecting or sealing means therefor
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/265—Counterweights mounted to the tub; Mountings therefor

Definitions

  • the present invention relates to inner containers for household appliances in the form of a drum consisting of an interior and an outer wall with a shear-resistant connection between the two Walls, the inner and outer wall each from one thermoplastic is built.
  • the present invention relates to a method for Production of such an inner container and its use as inner drum for front and top loading washing machines or for Tumble dryer.
  • thermoplastic plastics have long been used as components used by household appliances. Often there thermoplastic materials as worktops or as functional or housing parts used.
  • thermoplastic known a plastic sheet included, on the underside of the plate attached a support device is that of a rusty, towards its bottom open assembly exists.
  • a layered composite material is known from DE-A 1 97 22 339, which is a backing layer made of polypropylene, one arranged thereon Decorative layer and one applied to the decorative layer contains heat-hardened layer. Furthermore describes the DE-A 19 858 173 a layered composite material made of a carrier layer various other thermoplastic polymers such as for example from certain copolymers of styrene or from Polyoxymethylene or from polybutylene terephthalate, and one decorative layer applied thereon and a layer resting thereon thermoset layer. Such composite materials draw from a carrier layer made of thermoplastic polymers compared to conventional layered composite materials Carrier layers made of wood, wood fibers or paper etc. by a high temperature and moisture resistance, better mechanical Strength and easier processability.
  • drum-shaped inner container of household appliances made of thermoplastic polymers, usually reinforced To manufacture polypropylene.
  • Such inner containers only exist from a wall that ribs for strength reasons and or with staggered walls are executed.
  • Have large wall thicknesses the disadvantage that in addition to high material consumption long setting times in the injection molding process are accepted need, which makes the production of the parts more expensive. The reason for this lies in the design-related design of the components justified.
  • An important criterion for an inner container represents the rigidity of its wall against which the Bearing is attached or attached. Simplified is represented by the washing and spinning process of the household appliance, for example the washing machine, the back wall of which in the Imbalance (laundry) lying on the inside of a rotating bending load subject because the inner drum tumbles in the container.
  • this tumbling process is only permissible to the extent that the Inner drum does not touch the container. That consideration is can also be transferred to the inner drum in washing or drying devices, currently made of sheet steel and a die-cast metal stiffening part getting produced.
  • the Unbalance applied force on the part rigidity, in particular the drum rear wall and the drum axis are removed, without causing excessive deformations.
  • Inner containers of household appliances are so far only for such Suitable areas of application, the mechanical load of which limits is what u.a. means that the spin speed and the unbalance such a drum-shaped inner container must not be too large.
  • due to the limited resilience of the previously known drum-shaped plastics only a limited number of thermoplastic materials usable as materials.
  • the present invention was therefore based on the object remedied disadvantages and an improved drum-shaped Inner container for household appliances made of thermoplastic Provide plastics that are also at elevated Spin speeds and / or when there is an increased imbalance can be operated, this drum-shaped inner container from as many types of thermoplastic materials as possible should be produced and this one also if possible should have a shallow depth.
  • an improved inner container for household appliances developed in the form of a drum, consisting of an interior and an outer wall with a shear-resistant connection between the two Walls, the inner and outer wall each from one thermoplastic is built.
  • the drum-shaped one according to the invention Inner container can also be designed in such a way that this is filled with a filler to make it mechanical Strength and resilience, especially at high spin speeds and to increase in the case of increased unbalance or by to improve the noise behavior.
  • the filler can be solid or liquid.
  • Suitable fillers include rock powder, concrete, Talc, sand but also liquids, gels or foamed plastics, for example polyurethane foams, especially flexible foams made of polyurethane.
  • the inner wall of the drum-shaped inner container according to the invention has a wall thickness of 0.5 to 20 mm, in particular of 2 to 5 mm, the wall thickness of the outer wall is 0.5 to 20 mm, in particular 2 to 5 mm.
  • the one between the inner wall and the one The outer wall cavity has a thickness of 1 to 300 mm, in particular a thickness of 20 to 150 mm.
  • Inner containers are supposed to be both the container (vat) and also the corresponding inner drum can be understood.
  • thermoplastic plastic from which the interior and the Outer wall of the drum-shaped inner container according to the invention there may be 1 to 60, preferably 5 to 50, particularly preferably 10 to 40 wt .-%, based on the total weight of the thermoplastic, containing reinforcing fillers, such as barium sulfate, magnesium hydroxide, talc measured with an average grain size in the range of 0.1 to 10 microns according to DIN 66 115, wood, flax, chalk, glass fibers, coated Glass fibers, long or short glass fibers, glass balls or mixtures of these. You can also see the thermoplastic Plastic still the usual additives such as light, UV and Heat stabilizers, pigments, carbon blacks, lubricants, flame retardants, Propellants and the like in the usual and necessary Add quantities.
  • reinforcing fillers such as barium sulfate, magnesium hydroxide, talc measured with an average grain size in the range of 0.1 to 10 microns according to DIN 66 115, wood, flax,
  • thermoplastic polymers the inner and outer wall form of the inner container according to the invention, among other things.
  • polypropylene Preferably in addition to the reinforcing fillers polypropylene, Polyoxymethylene, polybutylene terephthalate or polystyrene are used, in particular also copolymers of styrene with subordinate ones Shares in one or more comonomers such as Butadiene, ⁇ -methylstyrene, acrylonitrile, vinyl carbazole and Esters of acrylic, methacrylic or itaconic acid. It can too Recycled from these thermoplastic polymers can be used.
  • comonomers such as Butadiene, ⁇ -methylstyrene, acrylonitrile, vinyl carbazole and Esters of acrylic, methacrylic or itaconic acid. It can too Recycled from these thermoplastic polymers can be used.
  • the preferred polybutylene terephthalate is a higher molecular weight Esterification product of terephthalic acid with butylene glycol and a melt flow rate (MFR), according to ISO 1133, at 230 ° C and under a weight of 2.16 kg, from 5 to 50 g / 10 min., in particular from 5 to 30 g / 10 min.
  • MFR melt flow rate
  • Copolymers of styrene include, in particular, copolymers with bis to 45 wt .-%, preferably with up to 20 wt .-% of polymerized Acrylonitrile.
  • Such copolymers made from styrene and acrylonitrile (SAN) have a melt flow rate (MFR) ISO 1133, at 230 ° C and under a weight of 2.16 kg, from 1 to 25 g / 10 min., In particular from 4 to 20 g / 10 min. on.
  • copolymers of styrene which are also preferably used contain up to 35 wt .-%, in particular up to 20 wt .-% polymerized Acrylonitrile and up to 35% by weight, in particular up to 30% by weight of polymerized butadiene.
  • the melt flow rate such copolymers of styrene, acrylonitrile and butadiene (ABS), according to ISO 1133, at 230 ° C and under a weight of 2.16 kg, is in the range from 1 to 40 g / 10 min., in particular in the range from 2 to 30 g / 10 min.
  • Polyolefins such as polyethylene or polypropylene are used in particular as materials for the inner and outer walls of the drum-shaped inner container according to the invention, the latter being preferably used.
  • polypropylene is understood to mean both homopolymers and copolymers of propylene.
  • Copolymers of propylene contain minor amounts of monomers copolymerizable with propylene, for example C 2 -C 8 -alk-1-enes such as, inter alia, ethylene, but-1-ene, pent-1-ene or hex-1-ene. Two or more different comonomers can also be used.
  • the copolymers of propylene are statistical copolymers or block or Impact copolymers.
  • Provided the copolymers of propylene are statistical they generally contain up to 15% by weight, preferably up to 6% by weight, other alk-1-enes with up to 8 C atoms, especially ethylene, but-1-ene or a mixture of ethylene and but-1-ene.
  • Block or impact copolymers of propylene are polymers in which, in the first stage, a propylene homopolymer or a random copolymer of propylene with up to 15% by weight, preferably up to 6% by weight, of other alk-1-enes with up to produces to 8 carbon atoms and then in the second stage a propylene-ethylene copolymer with ethylene contents of 15 to 80 wt .-%, the propylene-ethylene copolymer additionally other C 4 -C 8 -alk-1-enes may contain, polymerized. As a rule, so much of the propylene-ethylene copolymer is polymerized in that the copolymer produced in the second stage has a proportion of 3 to 60% by weight in the end product.
  • the polymerization for the production of polypropylene can be carried out using a Ziegler-Natta catalyst system. In doing so in particular those catalyst systems used in addition to a titanium-containing solid component a) or cocatalysts in the form of organic aluminum compounds b) and electron donor compounds c) have.
  • catalyst systems based on metallocene compounds can also be used or on the basis of polymerization-active Metal complexes are used.
  • titanium-containing solid component i.a. Halides or alcohols of trivalent or tetravalent titanium, and also a halogen-containing one Magnesium compound, inorganic oxides such as Silica gel as a carrier and electron donor compounds.
  • halogen-containing one Magnesium compound, inorganic oxides such as Silica gel as a carrier and electron donor compounds.
  • carboxylic acid derivatives as well as ketones, ethers, Alcohols or organosilicon compounds in question.
  • the titanium-containing solid component can be prepared in a manner known per se Methods are made. Examples include: in the EP-A 45 975, EP-A 45 977, EP-A 86 473, EP-A 171 200, GB-A-2 111 066, US-A 4 857 613 and US-A 5 288 824 described. What is known from DE-A 195 29 240 is preferred Procedure applied.
  • Suitable aluminum compounds b) are trialkyl aluminum also those compounds in which an alkyl group is replaced by a Alkoxy group or by a halogen atom, for example by Chlorine or bromine.
  • the alkyl groups can be the same or be different from each other. There are linear or branched Alkyl groups into consideration.
  • Trialkyl aluminum compounds are preferred used, the alkyl groups of 1 to 8 carbon atoms have, for example trimethyl aluminum, triethyl aluminum, Tri-iso-butyl aluminum, trioctyl aluminum or methyl diethyl aluminum or mixtures thereof.
  • Electron donor compounds c) such mono- or polyfunctional carboxylic acids, carboxylic anhydrides or carboxylic acid esters, furthermore ketones, ethers, alcohols, lactones, and organophosphorus and organosilicon compounds, the Electron donor compounds c) the same or different from the used to produce the titanium-containing solid component a) Can be electron donor compounds.
  • Metallocene complexes are used to manufacture polypropylene usually supported in the catalyst system.
  • inorganic oxides are often used, but they can also organic carriers in the form of polymers, for example polyolefins Find use.
  • the inorganic compounds described above are preferred Oxides that are also used to manufacture titanium-containing Solid component a) can be used.
  • metallocenes typically contain titanium, zirconium or hafnium as central atoms, zirconium being preferred.
  • the central atom is bonded via a ⁇ bond to at least one, usually substituted, cyclopentadienyl group and to further substituents.
  • the further substituents can be halogens, hydrogen or organic radicals, fluorine, chlorine, bromine or iodine or a C 1 -C 10 alkyl group being preferred.
  • the cyclopentadienyl group can also be part of a corresponding heteroaromatic system.
  • Preferred metallocenes contain central atoms which have two identical or different ⁇ bonds to two substituted Cyclopentadienyl groups are attached, with particular emphasis on those are preferred in which substituents of the cyclopentadienyl groups are bound to both cyclopentadienyl groups.
  • complexes are preferred, their substituted or unsubstituted Cyclopentadienyl groups additionally by cyclic groups two adjacent carbon atoms are substituted, the cyclic Groups also integrated in a heteroaromatic system could be.
  • Preferred metallocenes are also those that are only substituted or contain unsubstituted cyclopentadienyl group, which, however, is substituted with at least one radical which also is bound to the central atom.
  • the metallocene compounds are either known or according to known methods available. For catalysis too Mixtures of such metallocene compounds are used, furthermore the metallocene complexes described in EP-A 416 815.
  • metallocene catalyst systems contain metallocenium ions Links. Strong, neutral ones are suitable Lewis acids, ionic compounds with Lewis acid cations or Ionic compounds with Bronsted acids as the cation. Examples are tris (pentafluorophenyl) borane, tetrakis (pentafluorophenyl) borate or salts of N, N-dimethylanilinium. Also suitable as metallocenium ion-forming compounds are open-chain or cyclic alumoxane compounds. These will usually by reacting trialkyl aluminum with water produced and are usually different as mixtures long, both linear and cyclic chain molecules.
  • metallocene catalyst systems can be organometallic Compounds of metals of I., II. Or III.
  • Main group of the periodic table contain such as n-butyl lithium, n-butyl-n-octyl magnesium or tri-iso-butyl aluminum, triethyl aluminum or trimethyl aluminum.
  • the production of the polypropylenes used for the inner and outer walls of the inner container according to the invention is carried out by polymerization in at least one, often also in two or more reaction zones connected in series (reactor cascade), in the gas phase, in a suspension or in a liquid phase (bulk phase). carried out.
  • the usual reactors used for the polymerization of C 2 -C 8 -alk-1-enes can be used. Suitable reactors include continuously operated stirred tanks, loop reactors or fluidized bed reactors. The size of the reactors is not essential. It depends on the output that is to be achieved in or in the individual reaction zones.
  • reaction bed generally consists of the polymer of C 2 -C 8 -alk-1-enes, which is polymerized in the respective reactor.
  • the polymerization used to make the backing layers Polypropylene is made under normal reaction conditions at temperatures from 40 to 120 ° C, in particular from 50 to 100 ° C and pressures from 10 to 100 bar, in particular from 20 to 50 bar performed.
  • the polypropylenes used generally have a melt flow rate (MFR), according to ISO 1133, from 0.1 to 200 g / 10 min., In particular from 0.2 to 100 g / 10 min., at 230 ° C and under one weight from 2.16 kg.
  • MFR melt flow rate
  • Blends i.e. Mixtures of different thermoplastic Polymers are used, for example blends a copolymer of styrene with acrylonitrile and one Copolymers of butadiene and acrylonitrile.
  • the inner and outer wall of the drum-shaped according to the invention Inner container can also be constructed in such a way that on the thermoplastic for the purpose of better optical design another laminate from a decorative layer and a heat-hardened layer lying on the decorative layer is applied. It may also be advisable to choose between the thermoplastic and the decorative layer of an intermediate layer bring, preferably from the same thermoplastic Plastic like the material of the inner and outer wall, which improves adhesion and binding behavior.
  • the intermediate layer is in particular as a thin film or as thin fleece with a thickness of 0.001 to 1.0 mm, in particular from 0.005 to 0.3 mm.
  • materials for the liner the same thermoplastics come into question as they have already been described for the inner and outer walls, in particular polypropylene and polyethylene, polymers of styrene, Polyoxymethylene or polybutylene terephthalate.
  • the inner container i.a. a certain surface quality (color), a better one Surface hardness and abrasion resistance as well as a higher one Assign fire safety.
  • a nonwoven impregnated with resin or a foil impregnated with resin made of a thermoplastic is also preferably used as an intermediate layer.
  • acrylate resins, phenolic resins, urea resins or melamine resins are used as resins for this purpose.
  • the degree of resinification can be up to 300%, which means that practically the entire surface of the intermediate layer is covered with resin several times.
  • the degree of resinification is preferably 50 to 150%, in particular 80 to 120%.
  • the weight of the intermediate layer per m 2 is in the range from 15 to 150 g, in particular in the range from 30 to 60 g.
  • the decorative layer can consist of a plastic material which is embossed or colored or both in combination, for example in the form of a finished laminate.
  • the decorative layer can also be constructed from paper or from a fabric or a paper-like or fabric-like or wood-like or metal-like material. Examples of this would be decorative layers made of an aluminum-like material or of a stainless steel-like material or of leather, silk, wood, cork or linoleum-like material.
  • the decorative layer can also be resin-coated with acrylic, phenol, urea or melamine resins, it being possible for the degree of resin coating to be 50 to 300%, in particular 100 to 300%, based on the weight of the decorative layer.
  • the weight of the decorative layer is usually in the range from 10 to 200 g per m 2 , in particular in the range from 30 to 150 g per m 2 and particularly preferably in the range from 50 to 130 g per m 2 .
  • the decorative layer can also consist of a colored plastic material.
  • the heat-cured layer (overlay) arranged on the decorative layer preferably consists of a thermosetting plastic material, for example of a paper impregnated with acrylic resin, phenolic resin, melamine resin or urea resin, which is crosslinked by the action of pressure or heat during the production of the layered composite material.
  • the weight of the heat-cured layer (overlay) is usually in the range from 10 to 300 g per m 2 , in particular in the range from 15 to 150 g per m 2 and particularly preferably in the range from 20 to 70 g per m 2 .
  • the heat-hardened layer can also be used as a finished laminate optionally arranged on one or both sides of the decorative layer his. It is also possible to have a finished laminate on the Apply liner, which consists of the decorative layer and out the overlay. Finished laminates of this type are known as such and others from the Melaplast company in Schweinfurt, Germany available.
  • the inner containers according to the invention are also one Process according to the invention obtainable in such a way that initially the inner and outer walls due to thermal deformation at temperatures from 150 to 300 ° C, in particular from 200 to 280 ° C, preferably be produced from 200 to 260 ° C and these two Parts then by welding, screwing, clipping, Riveting or gluing together.
  • the production the inner and outer walls can include by Injection molding or blow molding.
  • the inner container according to the invention realizes the principle of a shear-resistant double wall construction, which causes a significant increase in bending strength. With comparable external dimensions, a achieve up to 60% reduction in deflection.
  • this shear-resistant double wall construction is obtained by connecting the inner and outer wall using common joining techniques (welding, screwing, riveting, possibly snapping) or by manufacturing the part in the blow molding process.
  • connection level is expediently in the unloaded state neutral bending zone of the system, so that for example when connecting the two parts by means of heating element welding Welding levels is not stressed in the application and thus the There is almost no risk of the weld failing due to breakage can be.
  • Crucial for the detailed construction of the double-walled inner container is a case-specific wall thickness optimization under Consideration of the component load and the one to be used Materials, for example using computer simulation calculations.
  • An optimized construction would take into account the available space either via the optimal manufacturing technology Molding wall thickness for optimal choice of strength dimensioned inner container material or economically cheapest inner container material for optimal strength Lead wall thickness.
  • the area deserves special attention in this context the wall of the inner container in the immediate vicinity of the warehouse.
  • inserts are often overmoulded, into which then the ball bearings for drum storage are inserted.
  • these areas are sometimes very massive (Wall thicknesses of up to 15 mm).
  • These wall thicknesses are however difficult to master in terms of process technology (formation of Blowholes) and also lead to very long cooling times i.e. at additional costs due to longer production times.
  • the outer wall consists of a two-part wall also optimize this molding area by injection molding, in which, for example, this mass accumulation by two separately manufactured but supports connected on the strength side replaced become.
  • Another advantage of the inner container according to the invention is in that the space available between the rear walls of the container to accommodate the pulley currently used frequently or a direct drum drive can be used.
  • the Space achieved through this construction can lead to an extension the inner drum and thus to enlarge the Laundry volume can be used.
  • the current construction height of the vibration system is primarily from the storage area and thus from the warehouse used or in This area molded hub determines a height of 10 to 200 mm and the distance between the two bearings is defined. Then there is the space required for the pulley of approximately 10 to 100 mm, currently between container and Housing rear wall is attached.
  • the inner container according to the invention as favorable that the cavity between the inner and outer wall still be filled with different types of fillers can, which changes the property profile of the inner container leaves.
  • filling with stone powder or other free flowing For example, a part of the masses so far in one additional work step to be installed separately counterweights be integrated so that they are wholly or partially eliminated can. If you consider the possibility of a reversible process, there is the possibility of lowering the weight in the case of transport a significant reduction in the transport weight and to achieve the inert mass, which in turn with Transport impact reduces the load on the transport lock.
  • the stiffness of the inner container of epoxy resins improve, as well as by using damping Molding compositions, for example flexible polyurethane foams, the Increase sound absorption.
  • the double-walled structure of the inner container according to the invention is particularly recommended in high-stress areas Component areas, such as the sides of tubs, in which the bearings are located and / or the sides of Inner drums in which the axes are located.
  • the method according to the invention for producing the Inner container is easy to carry out and stands out in particular characterized in that it uses conventional assembly methods can be carried out.
  • the inner container according to the invention is suitable, inter alia. as an inner container for household appliances, especially for front and top loading washing machines and for tumble dryers and as a tub.
  • the inner container of a top loading washing machine is manufactured by that one means an inner wall [1] and an outer wall [2] Orbital welding connects shear-resistant with each other.
  • the interior and the outer wall consist of talc reinforced with 30% by weight Propylene homopolymer with a melt flow rate (MFR) of 7 g / 10 min., According to ISO 1133, at 230 ° C and under a weight of 2.16 kg.
  • the inner container of a front loading washing machine is manufactured by that an inner wall [1] and an outer wall [2] by means of heating element welding (mirror welding) with each other connects thrust-free.
  • the inner and outer walls are made up of each made of 20% by weight glass fiber reinforced propylene homopolymer a melt flow rate (MFR) of 3 g / 10 min., after ISO 1133, at 230 ° C and under a weight of 2.16 kg.
  • the embedding of the socket must be observed [3] in the storage area, which is formed by connecting the two parts becomes and thus the production technically cheaper Part geometries (wall thicknesses) allowed. Then the Cavity of the part foamed with a polyurethane foam [4], to the acoustic damping and slightly the strength of the Increase part.
  • Figure 3 shows an inner container for a front loading washing machine with direct drive (or internal pulley) [4] between inner wall [3] and outer wall bearings [3].
  • the inner wall [1] and the outer wall [2] each consist of a 40 wt .-% Glass fiber reinforced propylene copolymer with 7.0% by weight copolymerized Ethylene and a melt flow rate (MFR) of 3.0 g / 10 min., According to ISO 1133, at 230 ° C and under one weight of 2.16 kg.
  • MFR melt flow rate
  • the two Wall parts are shear-resistant via metal clips [5] and support elements but releasably connected to each other, so in case of repairs the outer container part removed and the drive or the pulley is accessible.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
EP01103296A 2000-02-18 2001-02-13 Cuve pour appareil domestique Ceased EP1126069A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10007502 2000-02-18
DE10007502A DE10007502A1 (de) 2000-02-18 2000-02-18 Innenbehälter für Haushaltsgeräte

Publications (2)

Publication Number Publication Date
EP1126069A2 true EP1126069A2 (fr) 2001-08-22
EP1126069A3 EP1126069A3 (fr) 2002-10-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP01103296A Ceased EP1126069A3 (fr) 2000-02-18 2001-02-13 Cuve pour appareil domestique

Country Status (6)

Country Link
US (1) US7195129B2 (fr)
EP (1) EP1126069A3 (fr)
JP (1) JP2001300193A (fr)
CZ (1) CZ2001614A3 (fr)
DE (1) DE10007502A1 (fr)
PL (1) PL345943A1 (fr)

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DE102007057606A1 (de) * 2007-11-28 2009-06-04 Basell Polyolefine Gmbh Modular aufgebaute Rotationstrommel für Elektro- und Haushaltsgeräte
US8930031B2 (en) * 2008-12-17 2015-01-06 Fisher & Paykel Appliances Limited Laundry machine
EP2376346B3 (fr) 2009-07-09 2016-01-13 Advanced Technology Materials, Inc. Système de stockage à poche rigide et méthode de distribution d'un fluide
WO2012071370A2 (fr) 2010-11-23 2012-05-31 Advanced Technology Materials, Inc. Distributeur à cuve intérieure
US20120210598A1 (en) * 2011-02-22 2012-08-23 Allen Mundt Hastings Ambient Air Dryer with Improvements in Performance, Safety, Ease of Use and Cost of Manufacture
BR112013022316A2 (pt) 2011-03-01 2017-05-30 Advanced Tech Materials sistema baseado em revestimento interno, e, método para prover um sistema baseado em revestimento interno
CN103403088B (zh) 2011-03-10 2016-02-10 巴塞尔聚烯烃意大利有限责任公司 聚烯烃基容器
JP2013082837A (ja) * 2011-10-12 2013-05-09 Asahi Kasei Chemicals Corp 無塗装樹脂製容器
DE102021214446A1 (de) * 2021-12-15 2023-06-15 BSH Hausgeräte GmbH Dekorteil für ein vorzugsweise wasserführendes Haushaltsgerät

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DE10007502A1 (de) 2001-08-23
US20010017301A1 (en) 2001-08-30
PL345943A1 (en) 2001-08-27
CZ2001614A3 (cs) 2002-02-13
JP2001300193A (ja) 2001-10-30
US7195129B2 (en) 2007-03-27

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