EP0340691B1 - Verfahren und Vorrichtung zur Herstellung einer Fasermatte - Google Patents

Verfahren und Vorrichtung zur Herstellung einer Fasermatte Download PDF

Info

Publication number
EP0340691B1
EP0340691B1 EP89107832A EP89107832A EP0340691B1 EP 0340691 B1 EP0340691 B1 EP 0340691B1 EP 89107832 A EP89107832 A EP 89107832A EP 89107832 A EP89107832 A EP 89107832A EP 0340691 B1 EP0340691 B1 EP 0340691B1
Authority
EP
European Patent Office
Prior art keywords
fibre
binders
binder
fibre mat
mat
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.)
Expired - Lifetime
Application number
EP89107832A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0340691A3 (de
EP0340691A2 (de
Inventor
Herbert Nopper
Reinhard Wirth
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.)
SEEBER KG
Original Assignee
Seeber KG
Casimir Kast GmbH and Co KG
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 Seeber KG, Casimir Kast GmbH and Co KG filed Critical Seeber KG
Publication of EP0340691A2 publication Critical patent/EP0340691A2/de
Publication of EP0340691A3 publication Critical patent/EP0340691A3/de
Application granted granted Critical
Publication of EP0340691B1 publication Critical patent/EP0340691B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/24994—Fiber embedded in or on the surface of a polymeric matrix
    • Y10T428/249942—Fibers are aligned substantially parallel
    • Y10T428/249946—Glass fiber
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/24994—Fiber embedded in or on the surface of a polymeric matrix
    • Y10T428/249942—Fibers are aligned substantially parallel
    • Y10T428/249947—Polymeric fiber

Definitions

  • the invention relates to a method according to the preamble of claim 1. Furthermore, the invention is directed to a device according to the preamble of claim 24.
  • the fibers are ground together with dry binder in powder form and mixed at the same time, and this mixture is then sprinkled into a nonwoven which is then compressed to a mat at elevated temperature.
  • the heat supplied leads to partial activation of the binders or certain components, in particular the thermoplastic components, so that a fiber composite is obtained, which has a low density, but has sufficient transport and storage stability.
  • the mat is then divided into transportable and manageable blanks. From the fiber mat or the blanks, molded parts are produced by pressing at a further elevated temperature, which serve a variety of uses, for example as parts for the interior trim of motor vehicles, as molded furniture parts, etc. In this shaping process, above all the thermosetting components of the binders are activated and impart this Molded part after the pressing process the required dimensional stability.
  • liquid or aqueous binders must be introduced into the fiber mixture in order to glue the individual fibers.
  • Additives are also added to the mixture which are intended to influence the chemical-physical properties in a certain direction. These include, for example, mold release agents for the later pressing process, water repellents, elastifying agents, fungicides, color pigments or the like. Fiber mats of the aforementioned type are processed into molded parts in large quantities and have proven themselves extremely well in practice.
  • a disadvantage of the known fiber mats and the processes used for their production is the fact that all of the components which are mixed into the fibers are present homogeneously distributed throughout the mixture and thus also within the fiber mat. Therefore, the amount of binders or additives required for a certain chemical-physical or technical behavior of the molded part must be present in the entire cross-section of the mat or the molded part.
  • the invention has for its object to locally influence the physical, technical or chemical properties of the fiber mat or the molded part produced therefrom in a defined manner and to reduce the amount of binders or additives to the extent necessary for a desired behavior.
  • a density of 1.0 to 1.1 g / cm3 is achieved, whereas the density according to the invention can be reduced to 0.7 to 0.8 g / cm3, so that a light, yet stiff cladding is obtained.
  • a roof liner which should have strong damping properties, densities between 0.05 (partial) and 0.1 g / cm3 with up to 20 mm wall thickness and high dimensional stability can be achieved.
  • the fact that the binder is applied from the liquid phase immediately after the production of the fiber mat results in a continuous process and the heat content of the fiber mat is used to dry the binder.
  • Fiber mats of this construction can be processed, in particular, into molded parts with a perfectly smooth surface.
  • Surfaces can also be used achieve with a moisture barrier in changing climatic conditions, so that the PE film previously required for this purpose can be dispensed with, although warping due to changing moisture content is excluded.
  • the achievable smooth surface leads to a reduction in the need for paint and paint when painting or coloring the molded part directly. If the molded part is laminated instead, the adhesive required for this can be used more economically.
  • the process according to the invention can be carried out in such a way that the binders from the aqueous phase are applied to only one side.
  • an order will be provided on both sides, this order being able to be carried out at the same time by means of only one pair of rollers.
  • binders with predominantly thermosetting binder components are applied. Molded parts of greater hardness and rigidity can be produced from such a fiber mat. Instead, binders with predominantly thermoplastic binder components can also be applied. Molded parts with greater elasticity can be produced from this.
  • the binder can in principle be applied from a solution, an emulsion or a dispersion, preference being given to aqueous emulsions or dispersions.
  • Phenolic, resol, melamine or urea resins are particularly suitable as thermosetting components, while homo- or copolymers such as acrylic resins, butadiene-styrene, butadiene-acrylonitrile, polyurethanes, polyesters and vinyl ester resins can be used as thermoplastic components. Any combination for such a binder system is of course also possible.
  • additives which influence the physical, technical or chemical behavior of the fiber mat and / or the molded part pressed therefrom can be added to the aqueous phase of the binder and applied to the fiber mat with the binder.
  • hydrophobicizing agents e.g. B. paraffin emulsions
  • mold release agents for. B. sulfonated fatty acids
  • elasticizers e.g. B. polyethylene glycols, which can react with certain binders, namely condensation resins, and fungicides, color pigments, flame retardants, antioxidants, wetting agents or the like. in question.
  • the addition of the additives only in the outer layers of the fiber mat only improves the properties desired by the additives created specifically where they are necessary.
  • the binders or additives can not only be enriched locally, but also the amount required to achieve a certain property can also be reduced to the required level by the fact that the binders or additives are no longer homogeneously distributed over the entire cross-section of the mat or molded part .
  • foamable resins which become effective at elevated temperature.
  • foamable resins are activated, for example, only when they are formed into a molded part, which takes place at elevated temperature. In this way, a low density can also be achieved in the top layer layers with sufficient hardness and surface quality with sufficient hardness and surface quality.
  • the process according to the invention also opens up the possibility of adding only powdered binders to the fiber mixture prior to the manufacture of the fiber mat, so that dry processing of the fiber mixture into a nonwoven is possible, while those binders which lead to fiber impregnation are applied by means of the rollers .
  • the binders are applied from an aqueous phase in an amount between 10 and 150 g / m2, preferably between 60 and 80 g / m2.
  • the waste air which is produced during the warming up process during the compression of the fiber mat is used to dry the fiber mat after the binding agents have been applied from the aqueous phase, so that there is a favorable energy balance.
  • This has the main advantage that the production of the fiber mat does not lead to an increase in cost compared to the conventional system.
  • the moisture is reduced from about 20% originally to 5 to 10%.
  • the fiber mat is cooled after drying, e.g. B. to ⁇ 40 degrees Celsius to allow the mat blanks to be stacked without the blanks sticking together.
  • a further possibility of locally influencing the physical, technical or chemical properties of the fiber mat or the molded part produced therefrom in a defined manner is to apply top layers of greater tensile strength to the fiber mat.
  • This is done, for example, by (DE-OS 36 29 891) that random fibers are applied to the fiber mat on one or both sides and are connected to the fiber mat by means of thermosetting binders with which the random fibers are impregnated.
  • the actual fiber mat thus forms a middle layer of low density, the surface of which is refined by the cover layers.
  • An open structure is preferred in the cover layers so as not to produce a barrier effect against moisture, heat or the like.
  • the known method is simplified and a constant mat quality is achieved in that the random fibers forming the cover layer are deposited in the form of an endless, open random fiber fleece on the middle layer after it has been compressed, and the random fiber fleece by means of the fibers and / or the binders of the middle layer Binder is connected to this.
  • a prepared random-fiber fleece of consistently constant quality is used, which is only applied and directly integrated after the middle layer has been compacted, so that the random-fiber fleece experiences no or no significant structural change even after it has been deposited on the middle layer.
  • From such fiber mats refined on the surface it is possible in particular to produce molded parts which have a low density but nevertheless have sufficient dimensional stability. This applies, for example, to such interior trim parts on motor vehicles that are intended to contribute to sound insulation, e.g. B. for the headlining.
  • mats with a density of only 0.05 g / cm 3 can be produced, which can be processed without problems into self-supporting molded parts.
  • the aforementioned process is linked to the process mentioned at the outset in that the random fiber fleece compacted immediately before the roller pair applying the binder from the liquid phase
  • the middle layer is fed in and is lightly pressed onto the middle layer by means of the pair of rollers, the binders impregnating the random fiber fleece and at the same time penetrating into the adjacent middle layer without, however, the middle layer being additionally compacted.
  • a largely untreated non-woven fiber fleece is thus fed in at the location of the middle layer, where the binder is incorporated into the outer boundary layers of the fiber mat, so that the binder for binding the non-woven fiber fleece is applied to the middle layer at the same time as this application process.
  • the random fiber fleece can consist of cellulose, glass fiber, polyester or viscose fibers or of mixed fibers and has a basis weight of 20 to 120 g / m2, preferably 40 to 60 g / m2.
  • the invention is based on a known device (DE-OS 28 45 112) with a circumferential, permeable carrier web, an overlying one, the mixture of fibers and binders on the carrier web to a fleece dispensing device, one behind arranged the binder activating heating section, along which hot air is transported through the fleece and the carrier web and a pair of press rolls arranged behind it for compacting the fleece.
  • a known device DE-OS 28 45 112
  • a circumferential, permeable carrier web an overlying one, the mixture of fibers and binders on the carrier web to a fleece dispensing device, one behind arranged the binder activating heating section, along which hot air is transported through the fleece and the carrier web and a pair of press rolls arranged behind it for compacting the fleece.
  • such a device is characterized in that behind the pair of press rollers, the pair of application rollers with polished roller surfaces for applying the binders from the liquid phase and one behind Drying device is arranged, and that the peripheral speed of the application rollers is greater than the throughput speed of the fiber mat.
  • a cooling device can be arranged behind the drying device in which the liquid constituents of the applied binder are evaporated and the binder is activated, in order to keep the fiber mat at storage temperature, e.g. B. ⁇ 40 degrees Celsius to cool.
  • the drying device is connected to the exhaust air side of the heating section, so that the exhaust air from the heating section, where the binders of the middle layer are activated, is used for the drying process.
  • the fiber mat can either be cut behind the drying device into blanks of the desired size or it is provided that a cutting device for cutting the fiber mat into blanks is arranged between the pair of application rollers and the drying device, and that the conveyor receiving the blanks runs at a higher speed than that Fiber mat leading conveyor to the cutting device.
  • the blanks are separated by the faster transport speed of the conveyor receiving them in front of the drying device, so that drying and cooling air only from one side, e.g. B. the top, must be fed and passes between the blanks down and can act on the bottom.
  • cover layers made of random-fiber nonwovens are additionally provided on one or both sides of the fiber mat, this is the easiest way according to the invention Apply that in front of the applicator roller pair above and / or below the fiber mat or the conveyor receiving it there is arranged a spool receiving the endless random fiber fleece, from which the random fiber fleece is drawn off by means of the tensile force acting in the transport direction of the fiber mat.
  • random fiber nonwovens can be added to the top and / or bottom and integrated into the fiber mat by means of the binder compositions described.
  • the device has a revolving conveyor 1 in the form of a permeable carrier web, for. B. a screen belt, on, on which a fleece 2 is generated.
  • a spreader 3 is arranged above the conveyor 1 on the inlet side with a circulating distributor member 4 and a forming head 5, through which the fibers mixed with the dry binder components are evenly sprinkled onto the conveyor 1, in such an amount per unit of time that, taking into account the speed of movement of the conveyor 1, a fleece 2 of approximately constant thickness is obtained.
  • a milling cutter 6 is arranged behind the spreading device 3.
  • a suction box 7 is arranged below the conveyor 1 - again in all the exemplary embodiments - which sucks air down from the top of the fleece and thus prevents the fibers from being whirled up and carried away.
  • the conveyor 1 with the fleece 2 lying on it then reaches a heating section 8 which is supplied with hot air by a supply device 9.
  • a flow straightener 10 is arranged above the fleece 2, which distributes the hot air evenly over the entire width of the fleece 2 and a certain length, while a suction box 11 is arranged below the conveyor 1, so that the hot air through the fleece and is sucked down through the permeable conveyor 1.
  • a pair of press rolls 12 is arranged behind the heating section 8 and compresses the heated fleece under pressure to form a fiber mat 13 of reduced thickness.
  • the fiber mat 13 is already so stabilized due to the activation of the binder in the heating section 8 and due to the application of pressure that it can be handled and transported.
  • the fiber mat 13 is supported by a conveyor 14, e.g. B. a roller conveyor, which they through a downstream Roller pair 15 transported.
  • the pair of rollers 15 has rollers with smoothly polished surfaces and is used to apply binders from the liquid phase, these binders being incorporated into the uppermost interface layer of the fiber mat 13.
  • each roller 15 is assigned a distributor roller 16.
  • the fiber mat 13 reaches a drying device 17, in which it is flushed with hot air on the top and bottom to activate the binders applied by means of the application rollers 15.
  • the drying device 17 can be fed via the line 18 with the exhaust air from the vacuum box 11 of the heating section and optionally via a branch line 19 also directly from the hot air supply device 9.
  • a cooling device 20 is arranged behind the drying device 17 and is supplied with fresh air or cooling air from a source 21.
  • the fiber mat 13 finally leaves the cooling device 20 at storage temperature and is then cut by means of a cutting device 22 into blanks 23 of the desired size.
  • the hot air drawn off from the drying and cooling device 20 passes via a line 24 to an exhaust air filter 25 and can be fed back to the process either in whole or in part in the recirculation mode.
  • the embodiment according to FIG. 2 differs from that according to FIG. 1 in that the cutting device 22 is arranged between the applicator roller pair 15 and the drying device 17, so that the fiber mat 13 is cut into the blanks 23 immediately after the cover-side binders have been applied.
  • These blanks 23 are isolated in that the arranged behind the cutter 22 conveyor 26, z. B. a roller conveyor, runs at a greater speed than the fiber mat 13, so that the blanks 23 are pulled apart at a distance.
  • the exhaust air from line 18 or additional hot air from line 19 need only be input into the drying device 17 from above, since it can pass down between the blanks and thus also act on the underside thereof.
  • FIG. 3 shows a section of the flow diagram according to FIG. 1 or FIG. 2 in the area between the pair of press rolls 12 and the drying device 17.
  • the fiber mat 13 or the roller conveyor 14 each have a spool 27 on which a random fiber fleece 28 is wound, which is unwound from the spools 27 by the tensile force acting in the transport direction, but which can also be driven synchronously, and directly in the area of the application rollers 15 is placed on the top and bottom of the fiber mat 13, the binders from the liquid phase being applied at the feed point via the application rollers 15 at the same time.
  • the binders are incorporated into the random fiber fleece 28 on the one hand, and into the outermost layers of the fiber mat 13 on the other hand, and the liquid components are evaporated in the subsequent drying device 17 and the active components of the binders are activated.
  • the end product obtained is a fiber mat 29 which consists of a middle layer 30 with a relatively loose fiber composite and a cover layer 31, 32 each made of a non-woven fabric.
  • the middle layer and the cover layers 31, 32 form a firm bond.
  • FIG. 2 Another embodiment of the drying device 17 is shown in FIG. It has a continuous oven 33 with a plurality of arrays 34 of infrared radiators 35 arranged one behind the other. Each array 34 is assigned a cooling fan 36, so that the fiber mat 13 running through the oven 33 is dried by combined heat of radiation and convection. An exhaust air chamber 37 is arranged between two adjacent fields 34 of infrared radiators 35, via which the moist air is extracted by means of a fan 38.
  • a cross bar conveyor 39 is provided, on which the fiber mat 13 or mat blanks are transported through the continuous furnace 33.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Nonwoven Fabrics (AREA)
EP89107832A 1988-05-03 1989-04-29 Verfahren und Vorrichtung zur Herstellung einer Fasermatte Expired - Lifetime EP0340691B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3814996 1988-05-03
DE3814996A DE3814996A1 (de) 1988-05-03 1988-05-03 Verfahren zur herstellung einer fasermatte

Publications (3)

Publication Number Publication Date
EP0340691A2 EP0340691A2 (de) 1989-11-08
EP0340691A3 EP0340691A3 (de) 1992-04-15
EP0340691B1 true EP0340691B1 (de) 1995-11-08

Family

ID=6353489

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89107832A Expired - Lifetime EP0340691B1 (de) 1988-05-03 1989-04-29 Verfahren und Vorrichtung zur Herstellung einer Fasermatte

Country Status (4)

Country Link
US (2) US4997607A (sk)
EP (1) EP0340691B1 (sk)
DE (2) DE3814996A1 (sk)
ES (1) ES2081816T3 (sk)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3814996A1 (de) * 1988-05-03 1989-11-16 Kast Casimir Formteile Verfahren zur herstellung einer fasermatte
FR2667622B1 (fr) * 1990-10-08 1994-10-07 Kaysersberg Sa Montisse lie hydrauliquement et son procede de fabrication.
US5824246A (en) 1991-03-29 1998-10-20 Engineered Composites Method of forming a thermoactive binder composite
US20020113340A1 (en) * 1991-03-29 2002-08-22 Reetz William R. Method of forming a thermoactive binder composite
DE19720674C1 (de) * 1997-02-03 1998-09-03 Gruenzweig & Hartmann Bindemittel für Mineralwolle sowie hiermit gebundenes Mineralwolleprodukt
CA2306186C (en) * 1997-10-13 2008-09-23 M&J Fibretech A/S A plant for producing a fibre web of plastic and cellulose fibres
DE19834199B4 (de) * 1998-07-29 2004-08-12 Ems-Inventa Ag Verfahren zur Herstellung von mehrschichtigen Formteilen und Verwendung eines solchen Formteils zur Innenauskleidung von Personenkraftwagen
US20020088581A1 (en) * 2000-11-14 2002-07-11 Graef Peter A. Crosslinked cellulosic product formed by extrusion process
US6635211B2 (en) * 2001-06-25 2003-10-21 Taiwan Semiconductor Manufacturing Co. Ltd Reinforced polishing pad for linear chemical mechanical polishing and method for forming
US6761723B2 (en) * 2002-01-14 2004-07-13 Dynamic Spine, Inc. Apparatus and method for performing spinal surgery
EP1539483A4 (en) * 2002-09-13 2008-07-30 Cta Acoustics Inc IMPROVED PHONIC ISOLATION MATERIAL AND METHOD OF MANUFACTURING THE SAME
DE10261569A1 (de) * 2002-12-23 2004-07-22 IHD Institut für Holztechnologie Dresden gGmbH Kombinationswerkstoff, Verfahren zu seiner Herstellung und Verwendungen
CN110303570B (zh) * 2019-07-29 2024-03-01 江苏中联路基工程有限公司 一种植物秸秆排水板生产装置
CN111113623B (zh) * 2020-02-21 2020-08-04 广西剑鑫木业集团有限公司 一种板材热压成型工艺
CN112414078B (zh) * 2020-11-25 2022-02-15 浙江天博新材料有限公司 一种木塑地板的干燥装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371313A (en) * 1941-04-15 1945-03-13 Glenn L Martin Co Process for making plastic products
US2677008A (en) * 1949-09-15 1954-04-27 Willard Storage Battery Co Storage battery separator
DE1070491B (de) * 1956-08-23 1959-12-03 Portals Ltd., Whitchurch, Hampshire (Grossbritannien) Verfahren zur Herstellung von Bahnen aus Fasermaterial
FR1210290A (fr) * 1958-09-16 1960-03-08 Machine pour la fabrication continue de nappes minces de fibres agglomérées
US3843389A (en) * 1965-05-10 1974-10-22 Kurashiki Rayon Co Process for impregnating webs with polymer solutions
US3764451A (en) * 1968-12-16 1973-10-09 Kimberly Clark Co Air formed adhesively supplemented hydrogen bonded webs
DE2135072B2 (de) * 1971-07-14 1973-05-24 Verfahren zur erzeugung hochglaenzender oberflaechen auf dekorpapieren
JPS5225864B2 (sk) * 1972-03-10 1977-07-11
GB1440081A (en) * 1972-11-06 1976-06-23 Goodyear Tire & Rubber Structures of reinforced elastomeric material
US4028457A (en) * 1973-04-16 1977-06-07 Domtar Limited Consolidation of dry formed webs
US4057669A (en) * 1975-03-13 1977-11-08 Scott Paper Company Method of manufacturing a dry-formed, adhesively bonded, nonwoven fibrous sheet and the sheet formed thereby
CH592397A5 (sk) * 1975-04-30 1977-10-31 Caratsch Hans Peter
US4132821A (en) * 1977-09-22 1979-01-02 Scott Chatham Company Textile fabric with leather-like appearance
DE2845112C3 (de) * 1978-10-17 1981-11-05 Casimir Kast Gmbh & Co Kg, 7562 Gernsbach Verfahren und Anlage zur Herstellung von Matten aus zellulosehaltigen Fasern und Verfahren zur Herstellung von Formteilen aus diesen
US4294782A (en) * 1979-04-10 1981-10-13 Jerome Bauer Method for substantially instantaneous liquid molding of an article
AT370038B (de) * 1979-04-19 1983-02-25 Funder Ag Verfahren zur herstellung von holzfaserstoffmatten
FR2503721B1 (fr) * 1981-04-14 1985-11-15 Nobel Bozel Procede de fabrication d'elements legers, isolants, souples, rigides ou semi-rigides du type panneaux ou pieces de formes et d'epaisseurs variables et elements resultant de ce procede
US4623575A (en) * 1981-08-17 1986-11-18 Chicopee Lightly entangled and dry printed nonwoven fabrics and methods for producing the same
DE3233385C2 (de) * 1981-10-02 1984-05-17 Günter Hans 1000 Berlin Kiss Mehrschicht-Faserverbundstoff und Verfahren zu dessen Herstellung
JPS595024A (ja) * 1982-06-30 1984-01-11 Matsushita Electric Works Ltd 積層品用樹脂含浸基材の製法
GB8400294D0 (en) * 1984-01-06 1984-02-08 Wiggins Teape Group Ltd Fibre reinforced composite plastics material
US4606782A (en) * 1984-12-12 1986-08-19 Demetriades Peter G Method of making floor cleaning pad
DE3629891A1 (de) * 1986-08-29 1988-03-10 Kiss G H Fasermatte fuer das warme verpressen zu formteilen
US4923547A (en) * 1987-08-20 1990-05-08 Sekisui Kagaku Kogyo Kabushiki Kaisha Process for producing composite molded articles from nonwoven mat
DE3814996A1 (de) * 1988-05-03 1989-11-16 Kast Casimir Formteile Verfahren zur herstellung einer fasermatte

Also Published As

Publication number Publication date
EP0340691A3 (de) 1992-04-15
EP0340691A2 (de) 1989-11-08
US4997607A (en) 1991-03-05
ES2081816T3 (es) 1996-03-16
US5106438A (en) 1992-04-21
DE3814996A1 (de) 1989-11-16
DE58909480D1 (de) 1995-12-14
DE3814996C2 (sk) 1990-09-13

Similar Documents

Publication Publication Date Title
EP0340691B1 (de) Verfahren und Vorrichtung zur Herstellung einer Fasermatte
DE3233385C2 (de) Mehrschicht-Faserverbundstoff und Verfahren zu dessen Herstellung
EP1618252B1 (de) Faservliesmatte, verfahren zu dessen herstellung und faserverbundwerkstoff
EP0435001B1 (de) Schichtstoff
DE2845112A1 (de) Verfahren und anlage zur herstellung von zu formteilen verpressbarem zellfasermaterial
DE69815561T2 (de) Verfahren zur kontinuierlichen Herstellung von Kunststoffschaum
DE69211802T2 (de) Verfahren und Vorrichtung zur Trockenherstellung einer Materialschicht aus langen Fasern
DE2853843C2 (de) Verfahren zur Herstellung einer nicht-gewebten Bahn aus Luffa-Fasermaterial
DE2502025A1 (de) Textilbodenbelag mit thermoplastschaum-unterboden und ein verfahren zu seiner herstellung
EP1674224A1 (de) Verfahren zur Herstellung einer Holzfaserdämmstoffplatte bzw. -matte und nach diesem Verfahren hergestellte Holzfaserdämmstoffplatten bzw. -matten
EP1674633A2 (de) Holzfaserdämmstoffplatte bzw. -matte
EP0179301B1 (de) Verfahren und Vorrichtung zur Herstellung von Fasermatten als Ausgangsmaterial für Pressformteile
DE1956038A1 (de) Verfahren und Vorrichtung zum Herstellen faserverstaerkter Platten oder Folien aus thermoplastischem Material und nach dem Verfahren hergestellte Platte oder Folie
DE4139226A1 (de) Faserverbundmaterial auf der basis von naturfaservliesen sowie verfahren zu dessen kontinuierlicher herstellung und weiterverarbeitung zu pressformteilen
DE10056829A1 (de) Verfahren zur Herstellung einer Dämmstoffplatte bzw. -matte aus Holzfasern und nach diesem Verfahren hergestellte Dämmstoffplatte bzw. -matte
DE68908409T2 (de) Vorrichtung und verfahren zur herstellung von faserplatten.
DE1635590A1 (de) Verfahren zur Herstellung von Faserflaechenmaterialien
WO2003033226A1 (de) Fasermatte, daraus hergestelltes formteil und verfahren zu dessen herstellung
EP1056892A1 (de) Vorrichtung und verfahren zur herstellung eines faserverbundes
CH701218A1 (de) Verfahren zur Herstellung eines Verbundwerkstoffs.
DE2908064A1 (de) Verfahren zur herstellung trocken gelegter faserprodukte
EP1691991B1 (de) Dekorlaminat und dekorlaminatplatte und verfahren zum herstellen beider
DE69503758T2 (de) Verfahren und vorrichtung zur herstellung einer trockengelegten faserbahn
DE102004053131A1 (de) Flächiges Halbzeug aus einem Faserverbundwerkstoff und Verfahren zur Herstellung eines Formteils
DE2729219C2 (de) Verfahren und Vorrichtung zur kontinuierlichen Herstellung von faserverstärkten Bahnen aus Kunstharz (Prepregs) mit Gelcoat-Deckschicht

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE DE ES FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE DE ES FR GB IT

17P Request for examination filed

Effective date: 19920328

17Q First examination report despatched

Effective date: 19930913

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE ES FR GB IT

REF Corresponds to:

Ref document number: 58909480

Country of ref document: DE

Date of ref document: 19951214

ITF It: translation for a ep patent filed

Owner name: DR. ING. A. RACHELI & C.

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: SEEBER KG

ET Fr: translation filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2081816

Country of ref document: ES

Kind code of ref document: T3

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19960216

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19980330

Year of fee payment: 10

Ref country code: BE

Payment date: 19980330

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19980416

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19980422

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19980425

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990429

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 19990430

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990430

BERE Be: lapsed

Owner name: SEEBER K.G.

Effective date: 19990430

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19990429

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19991231

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000201

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20010601

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050429