WO1999003678A1 - Vitrage plastique, notamment pour l'automobile et procede pour sa fabrication - Google Patents
Vitrage plastique, notamment pour l'automobile et procede pour sa fabrication Download PDFInfo
- Publication number
- WO1999003678A1 WO1999003678A1 PCT/FR1998/001513 FR9801513W WO9903678A1 WO 1999003678 A1 WO1999003678 A1 WO 1999003678A1 FR 9801513 W FR9801513 W FR 9801513W WO 9903678 A1 WO9903678 A1 WO 9903678A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- skin
- layer
- product according
- product
- scratch layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14688—Coating articles provided with a decoration
- B29C2045/14737—Coating articles provided with a decoration decorations printed on the insert by a digital imaging technique
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- 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
- B29K2715/00—Condition, form or state of preformed parts, e.g. inserts
- B29K2715/006—Glues or adhesives, e.g. hot melts or thermofusible adhesives
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- 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
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/002—Coloured
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- 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
- B29K2995/0087—Wear resistance
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- 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
- B29K2995/0093—Other properties hydrophobic
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- 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
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- 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
- B29L2031/778—Windows
- B29L2031/7782—Glazing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/584—Scratch resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/08—Dimensions, e.g. volume
- B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
- B32B2309/105—Thickness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/006—Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31507—Of polycarbonate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31598—Next to silicon-containing [silicone, cement, etc.] layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31935—Ester, halide or nitrile of addition polymer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon
Definitions
- the present invention relates to products which are at least partly transparent in plastic material, in particular products of high optical quality, equivalent to that of glass glazing.
- plastics are lighter, which is a decisive advantage for urban vehicles with an electric motor, since an increase in their range is crucial. In such vehicles, it could even be envisaged to produce entire doors, or even complete sides of the bodywork, including the windows, in a single block, and possibly to paint a lower part thereof.
- the lightness of transparent surfaces is advantageous compared to modern transport vehicles, insofar as technical progress goes hand in hand with the integration of ever more numerous functions in the glazing (rear window heating, radio antenna, defrosting the windshield, coloring to prevent the passenger compartment from heating up in strong sunlight, incorporation of electrochromic compounds, display of information on the windshield ...), and with ever-increasing glass surfaces. This results in a general increase in the harmful vehicle in terms of energy consumption.
- plastics are likely to provide, compared to glass, improved security conditions, and superior theft protection, due to their superior resilience.
- plastics compared to glass are their superior ability to be easily transformed into complex shapes.
- the ability of the plastic sheets to be more or less deformed in a reversible manner makes it possible to envisage installation methods in the considerably simplified bodywork bays, with snap-in, from the inside and from the outside. of the vehicle.
- thermoforming is carried out by contact with at least one solid mold surface and, optionally using compressed air or with suction.
- the optical properties of a sheet thus extruded are not satisfactory.
- the rayibility of plastics, mentioned above, is such that, in their optical applications or in transparent elements, it is necessary to coat the shaped parts with a hard varnish. This operation is accompanied, in a manner well known to specialists, by problems of peeling of the varnish, which are more sensitive in the case of surfaces of complex shapes.
- This product could be obtained by an economical, reliable and simple process.
- the invention relates to a product of which at least part is transparent and has a high optical quality. More particularly, the invention resides in the fact that this product comprises a core of plastic material integral with a skin comprising at least one film of plastic material which supports an anti-scratch layer.
- the characteristic according to which the anti-scratch layer is supported on a plastic film guarantees easy and reliable obtaining of a final product of high durable optical quality, as will appear in the following description. It makes it possible to manufacture such a final product from the scratch-resistant layer on its support film in a physical and chemical state which will be only slightly or not modified thereafter, by associating them with the core, in particular by injection of the plastic material constituting it.
- the implementation of certain anti-scratch varnishes forming at relatively high temperatures possibly requires the choice of a sophisticated support film material but for a small amount.
- high optical quality or equivalent to that of glazing within the meaning of the invention, is meant “optical quality equivalent to that of glass glazing, suitable for being approved as automotive glazing according to the various standards in force, in particular the standard R 43 in use in France ”.
- the injection temperatures are not likely to affect the other constituents of the product.
- This material can be chosen from many plastics; it can be a conventional thermoplastic with a relatively low, inexpensive softening temperature.
- the plastics material of the core is capable of cooperating with the skin with a view to obtaining a high optical quality, while assuming the desired mechanical properties, in particular of resistance to bending and to impacts.
- the skin has a thickness at most equal to 500 ⁇ m, particularly preferably between 10 and 100 ⁇ m and comprises one or more transparent thermoformable plastic films, for example made of polycarbonate (PC), polypropylene (PP), poly ( methyl methacrylate (PMMA), ethylene / vinyl acetate copolymer (EVA), poly (ethylene terephthalate) (PET), polyurethane (PU), polyvinylbutyral (PVB) or cycloolefinic copolymer (COC), i.e. -in particular say copolymer of ethylene and norbornene, or copolymer of ethylene and cyclopentadiene.
- PC polycarbonate
- PP polypropylene
- PMMA poly ( methyl methacrylate
- EVA ethylene / vinyl acetate copolymer
- PET poly (ethylene terephthalate)
- PU polyurethane
- PVB polyvinylbutyral
- COC cycloolefinic cop
- thermoformable plastic films one or more functions can be assigned by incorporation of suitable agents.
- the skin is likely to contribute more or less to the mechanical properties of the product.
- a functional layer can be deposited on a thermoformable plastic film of the skin, which is in particular the case of the anti-scratch layer.
- a functional layer can be inserted, autonomously, between two thermoformable plastic films.
- the anti-scratch layer has a thickness of between 1 and 10 ⁇ m; it generally forms the external surface of the product of the invention.
- It may be essentially mineral and consist in particular of polysiloxanes and / or of silica and / or alumina derivatives, or mixed, such as consisting of networks of mineral and organic molecular chains intertwined and linked to one another by means of silicon bonds -carbon.
- Such a mixed layer has excellent transparency, adhesion and scratch resistance properties. It seems that the mineral network gives the coating its duration and resistance to scratches, the organic network its elasticity and resilience.
- the outer layer of the skin in contact with the environment, contains a hydrophobic / oleophobic agent which therefore confers this property on the outer surface of the product.
- a hydrophobic / oleophobic agent fluorinated polysilanes are well known, in particular obtained from precursors comprising at one end a hydrolysable function of alkoxy or halo type serving for chemical attachment to the substrate and a perfluorinated carbon chain at the 'other end, intended to constitute the external surface of the product.
- the hydrophobic / oleophobic agent is, in decreasing order of preference, incorporated in the anti-scratch layer, which has a chemical structure close to its own, or with which it is at least chemically compatible, or grafted in the form of a thin layer of thickness between 2 and 50 nm, preferably on the scratch-resistant layer or else self-supported on a plastic film, such as a poly (vinyl fluoride) (PVF) or poly (vinylidene fluoride) )
- PVDF PVDF
- At least one decorative and / or masking layer, covering all or part of the surface of the product is positioned in the skin, preferably directly under the support film of the anti-scratch layer.
- This layer can, for example, replace the screen-printed decoration frequently deposited on the periphery of the inner face of glazing, in particular for motor vehicles, in order to mask, for an observer located outside the vehicle, the bodywork elements forming the frame of the bay and the bead of glue which is thus protected from degradation by ultraviolet radiation. It may include elements of opaque or transparent colored decoration, making it possible to produce elements of color matching the bodywork or interior equipment, logos, etc.
- the skin may be provided with an adhesion layer, in particular on its inner side for fixing with the core but also between two films or layers of the skin.
- adhesion layer in particular on its inner side for fixing with the core but also between two films or layers of the skin.
- Common adhesives are polyvinyl butyral or polyurethane.
- the optically selective layers which are stacked, for example under the decorative and / or masking layer. These layers are distinguished by a high transmission in the visible range (wavelengths from 400 to 800 nm) and a high absorption and / or reflection in the ultraviolet ( ⁇ 400 nm) and infrared (> 800 nm) range.
- These layers may consist of thin metallic layers, for example based on silver, of thicknesses between 2 and 35 nm, separated from each other as well as from other adjacent layers or films by dielectric layers of oxides or nitrides of indium, tin, silicon, zinc, titanium, tungsten, tantalum, niobium, aluminum, zirconium ..., with thicknesses generally between 10 and 150 nm.
- These layers can comprise at least one colored layer in the mass.
- All of these layers can conduct electricity; it can belong to the family of anti-solar stacks, used to limit the supply of heat by solar radiation in closed spaces or to that of low-emissive stacks, used on the contrary to limit the heat loss in closed spaces, mainly due to transmission of infrared radiation through the glazing.
- anti-solar stacks used to limit the supply of heat by solar radiation in closed spaces or to that of low-emissive stacks, used on the contrary to limit the heat loss in closed spaces, mainly due to transmission of infrared radiation through the glazing.
- the core of the product of the invention consists of a thermoplastic material such as polycarbonate, poly (methyl methacrylate), ethylene / vinyl acetate copolymer, poly (ethylene terephthalate), polyurethane, cycloolefinic copolymer (for example ethylene / norbornene or ethylene / cyclopentadiene).
- a thermoplastic material such as polycarbonate, poly (methyl methacrylate), ethylene / vinyl acetate copolymer, poly (ethylene terephthalate), polyurethane, cycloolefinic copolymer (for example ethylene / norbornene or ethylene / cyclopentadiene).
- an ionomer resin ethylene / methacrylic acid or ethylene / acid acrylic neutralized by a polyamine
- a thermosetting or thermally crosslinkable material polyurethane, unsaturated polyester, ethylene / vinyl acetate
- the core is chemically compatible with the skin of the product according to the invention and gives the assembly the required mechanical properties.
- the invention also relates to a process for manufacturing the product described above.
- the constituents of the skin are assembled in the form of a sheet or developed, possibly flat.
- the anti-scratch layer when it is made of polysiloxanes, is advantageously formed on its cold support film and / or according to a plasma assisted deposition such as CVD (Chemical Vapor Deposition) plasma.
- CVD Chemical Vapor Deposition
- the composition of the scratch-resistant layer should be chosen so that it is bendable, to avoid subsequent flaking problems.
- the anti-scratch layer consists of Ormocers
- these are applied to the flat support film in the form of liquid precursors, according to conventional flow coating techniques, soaked in particular in a small volume bath for the sake of economy, spraying of liquid or curtain.
- the precursor consists for example of colloidal dispersions in solvents of several hybrid compounds, that is to say both organic and inorganic, or of polymers of low molecular weights functionalized by SiOR groups in admixture with tetraethoxysilane.
- the hardening of the anti-scratch layer then takes place according to a sol-gel process, in which the precursor is first dried, passing through the intermediate state of a gel, in particular by moderate radiation or heating, in the latter. case, below 50 ° C.
- the support film is then always kept substantially flat; the hardening of Ormocer is completed during the second phase of the process, described below, consisting of thermoforming of said skin, by ultraviolet radiation and / or heating to temperatures of 100 to 300 ° C and, more precisely, 140-240 ° C.
- the layers and, in particular, the anti-scratch layer on the finished, assembled, curved product meet the characteristics required for its use and in particular the regulatory optical characteristics when it comes to use it as glazing or as an element comprising glazing for transport vehicles, in particular motor vehicles.
- the anti-scratch layer is not completely cured until after the shaping of its support and, preferably, it does not begin to harden and cross-link until simultaneously with the shaping of its support so as to ultimately present a surface appearance without cracks or chipping.
- the deposition and formation techniques which have just been described can also be used for incorporating the hydrophobic / oleophobic function, whether the corresponding agent is an integral part of the anti-scratch layer, or supported on a plastic film; when grafted in a thin layer, it is also preferably formed from a deposit in liquid form by spraying if it consists of silanes, or by evaporation according to techniques such as CVD plasma, optionally under vacuum.
- the decor and masking layer (s) are provided on support films, in particular plastic, according to techniques used in printing: screen printing, flexography, inkjet, laser printing, etc.
- the adhesion layer is conveniently provided in the form of an integral thermoplastic film.
- the formation of optically selective stacks calls for successive depositions by sputtering, in particular assisted by magnetic field, or the like.
- the first phase of the process of the invention for forming the skin substantially flat can be concluded by an operation aimed at rendering the constituents more or less integral with one another, in particular by cold calendering or at a temperature slightly higher than ambient temperature.
- the second phase of the process consists in thermoforming the skin at a preferred temperature of 100-300 ° C, in a form which may not be developable, identical to that of the final product.
- the third phase of the process of the invention consists in assembling the skin to a plastic core by hot pressing in a form or by thermoplastic injection or reactive injection (RIM) of the material of the core, the skin having been positioned in mold base, at the start of this third phase, so that its scratch-resistant layer and / or its hydrophobic / oleophobic layer completely polymerized and / or crosslinked, that is to say practically more reactive, is in direct contact with the mold wall.
- RIM reactive injection
- Another object of the invention is the application of the product described above as a bodywork element, a transparent part of which forms glazing, in particular for the automobile.
- the invention is now illustrated by the following example.
- the coated support film is then placed at the bottom of a mold, the anti-scratch layer being positioned above; the assembly is subjected to a heat treatment of 155 ° C for 30 min.
- a skin within the meaning of the present invention is then formed in its almost final form.
- the laminate obtained has a transparency, an optical quality amply sufficient for an application as glazing.
- the process of the invention has the advantages inherent in the injection technique. It is thus possible to conform the injected part with a peripheral bead to increase its rigidity, or with a relief and / or extensions such as ribs, profiles, legs or ears, and / or to place within the plastic a or several inserts, in particular metallic. This arrangement is particularly useful for gripping or fixing the product of the invention, as well as for the final assembly for which it is intended, as in a bodywork bay of a motor vehicle. In the latter case, the formation of suitable peripheral profiles makes it possible to envisage mounting the product from inside the vehicle, that is to say from the passenger compartment. The bead of glue is then placed under the edge of the bodywork bay and is not exposed to the sun's rays. The protection of the adhesive bead by a varnish formed on the periphery of the inner face of the sheet naturally becomes superfluous.
- the appendages formed at the periphery of the product during its injection can be preserved, or sawn in whole or in part according to their use. Sanding can be provided after such sawing.
- a peripheral profile of geometry symmetrical with respect to the plane of the product may be appropriate, for example in the case of transparent lateral surfaces of transport vehicles, either part of the profile that can be sawn later, depending on whether it is 'acts of the right or left transparent element.
- possible inserts can be linked to the incorporation into the product of particular functions, such as a stop light in a rear window.
- the method of the invention is economical, easy and reliable and allows the use of numerous combinations of constituents, without the problem of their compatibility, in particular in terms of their processing temperatures, being posed.
Landscapes
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Laminated Bodies (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Surface Treatment Of Glass (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Window Of Vehicle (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019997002153A KR100571101B1 (ko) | 1997-07-15 | 1998-07-10 | 플라스틱 창유리, 특히 차량용 플라스틱 창유리 및 그 제조 방법 |
| DE69835072T DE69835072T2 (de) | 1997-07-15 | 1998-07-10 | Verfahren zur Herstellung eines Kuststofffensters, insbesondere eines Kunststofffensters für Kraftfahrzeuge |
| EP98938728A EP0925183B1 (fr) | 1997-07-15 | 1998-07-10 | Procédé pour la fabrication d'un vitrage plastique, notamment pour l'automobile |
| JP50656699A JP4418035B2 (ja) | 1997-07-15 | 1998-07-10 | 特に自動車に使用するプラスチックガラス及びその製造方法 |
| BR9806030-9A BR9806030A (pt) | 1997-07-15 | 1998-07-10 | Vidraria plástica, principalmente para automóveis, procedimento para sua fabricação; e a aplicação desse produto. |
| US09/147,813 US6998169B1 (en) | 1997-07-15 | 1998-07-10 | Plastic glazing, in particular for motor car and method for making same |
| US11/169,658 US7101611B2 (en) | 1997-07-15 | 2005-06-30 | Plastic window, especially for motor vehicles, and process for its manufacture |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR97/08934 | 1997-07-15 | ||
| FR9708934A FR2766198B1 (fr) | 1997-07-15 | 1997-07-15 | Vitrage plastique, notamment pour l'automobile et procede pour sa fabrication |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/147,813 A-371-Of-International US6998169B1 (en) | 1997-07-15 | 1998-07-10 | Plastic glazing, in particular for motor car and method for making same |
| US11/169,658 Continuation US7101611B2 (en) | 1997-07-15 | 2005-06-30 | Plastic window, especially for motor vehicles, and process for its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1999003678A1 true WO1999003678A1 (fr) | 1999-01-28 |
Family
ID=9509212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR1998/001513 Ceased WO1999003678A1 (fr) | 1997-07-15 | 1998-07-10 | Vitrage plastique, notamment pour l'automobile et procede pour sa fabrication |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US6998169B1 (fr) |
| EP (1) | EP0925183B1 (fr) |
| JP (1) | JP4418035B2 (fr) |
| KR (1) | KR100571101B1 (fr) |
| AT (1) | ATE331613T1 (fr) |
| BR (1) | BR9806030A (fr) |
| CZ (1) | CZ297388B6 (fr) |
| DE (1) | DE69835072T2 (fr) |
| ES (1) | ES2268785T3 (fr) |
| FR (1) | FR2766198B1 (fr) |
| PL (1) | PL192849B1 (fr) |
| PT (1) | PT925183E (fr) |
| WO (1) | WO1999003678A1 (fr) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2821785A1 (fr) * | 2001-03-09 | 2002-09-13 | Saint Gobain | Procede de fabrication de vitrages en matiere plastique |
| RU2697284C1 (ru) * | 2019-03-05 | 2019-08-13 | Общество с ограниченной ответственностью "ДжоинТекСэлл" | Способ отливки устройства для фракционирования жировой ткани |
| US10434846B2 (en) | 2015-09-07 | 2019-10-08 | Sabic Global Technologies B.V. | Surfaces of plastic glazing of tailgates |
| US10597097B2 (en) | 2015-09-07 | 2020-03-24 | Sabic Global Technologies B.V. | Aerodynamic features of plastic glazing of tailgates |
| US10690314B2 (en) | 2015-09-07 | 2020-06-23 | Sabic Global Technologies B.V. | Lighting systems of tailgates with plastic glazing |
| US11267173B2 (en) | 2015-09-07 | 2022-03-08 | Sabic Global Technologies B.V. | Molding of plastic glazing of tailgates |
| US11466834B2 (en) | 2015-11-23 | 2022-10-11 | Sabic Global Technologies B.V. | Lighting systems for windows having plastic glazing |
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| FR2779990B1 (fr) * | 1998-06-19 | 2000-07-21 | Saint Gobain Vitrage | Vitrage en matiere plastique avec ajout de matiere plastique surmoule |
| JP2002347088A (ja) * | 2001-05-22 | 2002-12-04 | Yoshida Industry Co Ltd | アイオノマー樹脂を用いた金属部品インサート成形品 |
| GB0117568D0 (en) * | 2001-07-19 | 2001-09-12 | Hydrophilm Ltd | Transparent article |
| BRPI0509343A (pt) * | 2004-03-30 | 2007-09-11 | Plastxform Ag | método para produzir corpos moldados de material termoplástico |
| DE102004044415A1 (de) * | 2004-09-14 | 2006-03-30 | Franz Josef Summerer | Verfahren und Vorrichtung zum Anspritzen einer Kunststoffkomponente an ein vorgefertigtes Kunststoffteil |
| KR101482916B1 (ko) * | 2005-02-23 | 2015-01-16 | 엑사테크 엘.엘.씨. | 균일한 내후성 특성을 구비한 플라스틱 패널 |
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| DE102006005303B4 (de) * | 2006-02-06 | 2012-07-05 | Franz Josef Summerer | Verfahren zum Anspritzen einer Kunststoffkomponente an ein Kunststoffteil und mehrkomponentiges Kunststoff-Formteil |
| WO2007136282A2 (fr) | 2006-05-23 | 2007-11-29 | Nu Clear Systems Limited | Matériau stratifié |
| US20080160298A1 (en) * | 2006-12-28 | 2008-07-03 | Chengtao Li | Polycarbonate glazing system and method for making the same |
| WO2008134621A1 (fr) * | 2007-04-27 | 2008-11-06 | Exatec, Llc | Vitrage plastique résistant à l'abrasion avec revêtement dans le moule |
| JP5325879B2 (ja) | 2007-05-01 | 2013-10-23 | エグザテック・リミテッド・ライアビリティー・カンパニー | カプセル化プラスチックパネル及びそのパネルを作製する方法 |
| KR101176210B1 (ko) * | 2007-05-02 | 2012-08-22 | 포리프라스틱 가부시키가이샤 | 사이클로올레핀 공중합체를 포함하는 시트로부터의 열성형품 |
| WO2008141136A1 (fr) * | 2007-05-09 | 2008-11-20 | Exatec. Llc | Traitement de préséchage d'encre dans un vitrage en matière plastique décoratif |
| US20090155576A1 (en) * | 2007-12-18 | 2009-06-18 | E. I. Du Pont De Nemours And Company | Glass-less glazing laminates |
| CA2716191A1 (fr) * | 2008-03-26 | 2009-10-01 | E. I. Du Pont De Nemours And Company | Produit stratifie anti-eclats haute performance |
| US7828373B2 (en) * | 2008-09-24 | 2010-11-09 | Ford Global Technologies, Llc | Polycarbonate panel assembly for a vehicle |
| CN103079811B (zh) | 2010-09-21 | 2016-08-17 | 法国圣戈班玻璃厂 | 作为平视显示器的玻璃板 |
| DE102011004500A1 (de) * | 2011-02-22 | 2012-08-23 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Herstellung einer bedruckten Fahrzeug-Verbundscheibe |
| CN103890135A (zh) | 2011-04-15 | 2014-06-25 | 法国圣戈班玻璃厂 | 具有发光颗粒的薄膜的制备方法 |
| BR112014001042A2 (pt) | 2011-08-29 | 2017-02-21 | Saint Gobain | dispositivo para gerar uma imagem de exibição em um painel de vidro compósito |
| KR20130104624A (ko) * | 2012-03-14 | 2013-09-25 | (주)태형 | 블랙아웃 코팅처리된 자동차 유리용 플라스틱 글레이징 |
| US20140320422A1 (en) * | 2013-04-26 | 2014-10-30 | Georgia Tech Research Coporation | Touch-sensitive panel for a communication device |
| KR101616168B1 (ko) * | 2013-11-27 | 2016-04-27 | 제일모직주식회사 | 열가소성 수지 조성물 및 이를 포함하는 성형품 |
| FR3014033B1 (fr) | 2013-11-29 | 2017-06-16 | Peugeot Citroen Automobiles Sa | Lunette arriere en matiere plastique pour vehicule automobile equipee d'un troisieme feu stop |
| FR3014034B1 (fr) | 2013-11-29 | 2016-02-05 | Peugeot Citroen Automobiles Sa | Lunette arriere en matiere plastique integrant un troisieme feu stop pour vehicule automobile |
| KR102415540B1 (ko) * | 2016-11-17 | 2022-07-04 | 코베스트로 도이칠란트 아게 | 열 관리를 위한 투명한 다층 구조체 |
| KR102203684B1 (ko) * | 2018-12-18 | 2021-01-18 | 박용필 | 복합시트 |
| US11919279B1 (en) | 2023-01-20 | 2024-03-05 | Aisin Corporation | Scratch and UV resistant films |
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- 1998-07-10 PL PL332288A patent/PL192849B1/pl unknown
- 1998-07-10 CZ CZ0090299A patent/CZ297388B6/cs not_active IP Right Cessation
- 1998-07-10 EP EP98938728A patent/EP0925183B1/fr not_active Expired - Lifetime
- 1998-07-10 DE DE69835072T patent/DE69835072T2/de not_active Expired - Lifetime
- 1998-07-10 ES ES98938728T patent/ES2268785T3/es not_active Expired - Lifetime
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- 1998-07-10 KR KR1019997002153A patent/KR100571101B1/ko not_active Expired - Fee Related
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2821785A1 (fr) * | 2001-03-09 | 2002-09-13 | Saint Gobain | Procede de fabrication de vitrages en matiere plastique |
| WO2002072330A1 (fr) * | 2001-03-09 | 2002-09-19 | Saint-Gobain Glass France | Procede de fabrication de vitrages en matiere plastique |
| AU2002246201B2 (en) * | 2001-03-09 | 2006-08-03 | Saint-Gobain Glass France | Method for producing plastic glazing |
| RU2286877C2 (ru) * | 2001-03-09 | 2006-11-10 | Сэн-Гобэн Гласс Франс | Способ изготовления витражей из пластмассы |
| CN1295066C (zh) * | 2001-03-09 | 2007-01-17 | 法国圣戈班玻璃厂 | 生产塑料玻璃制品的方法 |
| KR100847496B1 (ko) * | 2001-03-09 | 2008-07-22 | 쌩-고벵 글래스 프랑스 | 플라스틱 글레이징 제조 방법, 상기 방법을 통해 제조된 제품, 제품을 사용하는 방법 및 자동차용 글레이징 |
| US10717348B2 (en) | 2015-09-07 | 2020-07-21 | Sabic Global Technologies B.V. | Surfaces of plastic glazing of tailgates |
| US11845240B2 (en) | 2015-09-07 | 2023-12-19 | Sabic Global Technologies B.V. | Three shot plastic tailgate |
| US10597097B2 (en) | 2015-09-07 | 2020-03-24 | Sabic Global Technologies B.V. | Aerodynamic features of plastic glazing of tailgates |
| US10690314B2 (en) | 2015-09-07 | 2020-06-23 | Sabic Global Technologies B.V. | Lighting systems of tailgates with plastic glazing |
| US12390967B2 (en) | 2015-09-07 | 2025-08-19 | Sabic Global Technologies B.V. | Molding of plastic glazing of tailgates |
| US10948152B2 (en) | 2015-09-07 | 2021-03-16 | Sabic Global Technologies B.V. | Lighting systems of tailgates with plastic glazing |
| US11267173B2 (en) | 2015-09-07 | 2022-03-08 | Sabic Global Technologies B.V. | Molding of plastic glazing of tailgates |
| US11458709B2 (en) | 2015-09-07 | 2022-10-04 | Sabic Global Technologies B.V. | Three shot plastic tailgate |
| US12330397B2 (en) | 2015-09-07 | 2025-06-17 | Sabic Global Technologies B.V. | Three shot plastic tailgate |
| US10434846B2 (en) | 2015-09-07 | 2019-10-08 | Sabic Global Technologies B.V. | Surfaces of plastic glazing of tailgates |
| US11766965B2 (en) | 2015-11-23 | 2023-09-26 | Sabic Global Technologies B.V. | Illuminated graphic in an automotive plastic glazing |
| US12145498B2 (en) | 2015-11-23 | 2024-11-19 | Sabic Global Technologies B.V. | Illuminated graphic in an automotive plastic glazing |
| US11466834B2 (en) | 2015-11-23 | 2022-10-11 | Sabic Global Technologies B.V. | Lighting systems for windows having plastic glazing |
| RU2697284C1 (ru) * | 2019-03-05 | 2019-08-13 | Общество с ограниченной ответственностью "ДжоинТекСэлл" | Способ отливки устройства для фракционирования жировой ткани |
Also Published As
| Publication number | Publication date |
|---|---|
| CZ297388B6 (cs) | 2006-11-15 |
| CZ90299A3 (cs) | 2000-01-12 |
| US6998169B1 (en) | 2006-02-14 |
| KR100571101B1 (ko) | 2006-04-14 |
| KR20000068557A (ko) | 2000-11-25 |
| US20010041251A1 (en) | 2001-11-15 |
| EP0925183B1 (fr) | 2006-06-28 |
| US20050238902A1 (en) | 2005-10-27 |
| EP0925183A1 (fr) | 1999-06-30 |
| PT925183E (pt) | 2006-08-31 |
| JP2001500812A (ja) | 2001-01-23 |
| PL332288A1 (en) | 1999-08-30 |
| DE69835072T2 (de) | 2007-01-11 |
| FR2766198B1 (fr) | 2003-11-14 |
| ATE331613T1 (de) | 2006-07-15 |
| DE69835072D1 (de) | 2006-08-10 |
| BR9806030A (pt) | 1999-10-13 |
| US7101611B2 (en) | 2006-09-05 |
| PL192849B1 (pl) | 2006-12-29 |
| ES2268785T3 (es) | 2007-03-16 |
| FR2766198A1 (fr) | 1999-01-22 |
| JP4418035B2 (ja) | 2010-02-17 |
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