DE9003971U1 - Molded body with multi-layer structure - Google Patents

Molded body with multi-layer structure

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Publication number
DE9003971U1
DE9003971U1 DE9003971U DE9003971U DE9003971U1 DE 9003971 U1 DE9003971 U1 DE 9003971U1 DE 9003971 U DE9003971 U DE 9003971U DE 9003971 U DE9003971 U DE 9003971U DE 9003971 U1 DE9003971 U1 DE 9003971U1
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Prior art keywords
fiber
layer
body according
shaped body
veneer
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DE9003971U
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German (de)
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Priority to DE9003971U priority Critical patent/DE9003971U1/en
Publication of DE9003971U1 publication Critical patent/DE9003971U1/en
Priority to DE4110640A priority patent/DE4110640A1/en
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Classifications

    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10—Next to a fibrous or filamentary layer
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/04—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a layer being specifically extensible by reason of its structure or arrangement, e.g. by reason of the chemical nature of the fibres or filaments
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/04—Forming boards or similar elements the form surface being of wood
    • 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
    • B32B2317/00—Animal or vegetable based
    • B32B2317/16—Wood, e.g. woodboard, fibreboard, woodchips

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Description

&ngr;::&ngr;::

Richard Pott Tannenbergstraße 33 4937 LageRichard Pott Tannenbergstrasse 33 4937 Lage

Formkörper mit mehrlagigem AufbauMolded body with multi-layer structure

Die ^-findung oetrifft einen Formkörper mit mehrlagigem Aufbau.The invention relates to a molded body with a multi-layer structure.

Formkörper mit mehrlagigem Aufbau sind an sich bekannt. Man nutzt dabei in erster Linie ihre anisotropen Eigenschaften bei gekreizten Faserorientierungswinkeln, um die Gesamtfestigkeit eines mehrlagigen Verbundes und eine Verzugsfreiheit durch Ausgleich der Spannungen zu erveichen. So haben sich z.B. derartige Formkörper aus Glasfaserkunststoff seit Oahren bewährt. Hierbei sind kunstharzimprägnierte Glasfasermatten und -gewebe lagenweise aufeinandergelegt und verklebt bezw. verpreßt. Auf die gleiche Weise sind Holzfurniere mittels Verleimung bei sich kreuzender Faserrichtung zu Sperrholz verbunden.Molded bodies with a multi-layer structure are known per se. Their anisotropic properties with crossed fiber orientation angles are primarily used to soften the overall strength of a multi-layer composite and to ensure freedom from distortion by balancing the tensions. For example, such molded bodies made of fiberglass plastic have proven themselves for years. Here, synthetic resin-impregnated fiberglass mats and fabrics are laid on top of one another in layers and glued or pressed together. In the same way, wood veneers are bonded to form plywood by gluing with the fibers crossing.

Beide Formkörperarten haben jedoch trotz vieler Vorteile gegenüber monolithischen Gebilden erhebliche Nachteile. So hat z.B. ein Formkörper aus Glasfaserkunststoff den Nachteil des relativ hohen Gewichts bei größerer Laminatsdicke und entsprechender Beulsteifigkcit, während z.B. bei Verwendung \ von Carbonfasern die Beulsteifigkeit ausreichend, aber der Faserpreis zu doch ist. Ein Formkörper aus Hol?furnieren dagegen zu SperrhoJz verpreßt läßt eine ausreichende Z u q - , Druck-, Biege- und Scherfestigkeit sowie KerbschiagzähigkeJt vermissen. Formkörper der beiden vorgenannten Arten lassen sich somit hei höheren fes ti gke i tsan f order ringen nicht einsetzen. However, despite many advantages over monolithic structures, both types of molded body have significant disadvantages. For example, a molded body made of fiberglass plastic has the disadvantage of being relatively heavy with a greater laminate thickness and corresponding dent resistance, whereas when using carbon fibers, for example, the dent resistance is sufficient but the fiber price is too high. A molded body made of wood veneers pressed into plywood, on the other hand, lacks sufficient tensile, compressive, bending and shear strength as well as notch impact toughness. Molded bodies of the two aforementioned types cannot therefore be used where higher strength requirements are required.

Der vorliegenden Erfindung lag deshalb die Aufgabe zugrunde, einen Formkörper zu schaffen, der die bekannten&iacgr; Nachteile vermeidet. Er ist billiger, ist aus umweltfreundlicheren Einzelkomponenten zusammengestellt und deckt ein wesentlich größeres Anwendungsgebiet ab.The present invention was therefore based on the object of creating a molded body that avoids the known disadvantages. It is cheaper, is composed of more environmentally friendly individual components and covers a much larger area of application.

Hierzu einige Einsatzbeisp· _e:Here are some examples of use:

Plattenwerkstoffe für die Bau- und Möbelindustrie; Waggon- unti Fahrzeugbau; Behälter- und Concainerbau; Schalungsplatten im Bauwesen; Formenbau; Boots- und Schiffbau; Transport- und Lagerbehälter für schwere und scharfkantige Transportgüter; Brückenbeläge; wegen der absoluten Wetterbeständigkeit Anwendungen in Außenbereichen sowie Fassaden-Großeltmente,Panel materials for the construction and furniture industry; wagon and vehicle construction; container and container construction; formwork panels in construction; mold making; boat and ship building; transport and storage containers for heavy and sharp-edged goods; bridge coverings; due to the absolute weather resistance, applications in outdoor areas as well as large facade elements,

Die Aufzählung einiger Einsatzmöglichkeiten ist nur ein kleiner Teil und erhebt keinen Anspruch auf Vollständigkeit. The list of possible uses is only a small part and does not claim to be complete.

Der erfindungsgemäße Formkörper wurde aus den beiden Hauptkomponenten Holzfurnier (A) und Faserkunststoff (B) vorzugsweise in sich Jeweils kreuzender Faserorientierung (0° u. 90°) gefertigt, wobei ein wichtiger Erfindungsgedanke war, daß eine aufwendige Beleimung der Furnierlagen (Al u. A2) entfallen konnte. Dieses wurde erreicht durch eine Imprägnierung unidirektlonaler Fasergelege (Bl u. B2) mit einer Mengen-überdosierung des Imprägnierharzes auf der Basis von Epoxid, Polyester, Phenol, Melamin, Harnstoff, Silicon oder dergleichen. Diese unidirektionalen Fasergelege sind entsprechend CP 72 *t53 vorgefertigt oder wurden örtlich durch Zulauf von Faserrovings durch Direktabzug von einem Spulenbaum aufgelegt.The molded body according to the invention was made from the two main components wood veneer (A) and fiber plastic (B), preferably with intersecting fiber orientations (0° and 90°), whereby an important inventive idea was that a complex gluing of the veneer layers (Al and A2) could be dispensed with. This was achieved by impregnating unidirectional fiber layups (Bl and B2) with an overdose of the impregnating resin based on epoxy, polyester, phenol, melamine, urea, silicone or the like. These unidirectional fiber layups are prefabricated in accordance with CP 72 *t53 or were applied locally by feeding in fiber rovings by direct withdrawal from a spool beam.

De nach den Einsatzanforderungen waren beliebige Zuordnungen der Einzellagen möglich. Es ilnd auch andere Faser-Kreu7(inr]swinke] möglich* um z.B. einen erfindunnsgemäßen Formkörper mit quasi -isotropen Eigenschaften zu erstellen, der j &eegr; allen Beanspruchunqsebenen gleiche Widerstandsmomente und gleiche mrnhsnJr.chrn Festigkeiten hat.Depending on the application requirements, any arrangement of the individual layers was possible. Other fiber cross angles were also possible, for example to create a molded body according to the invention with quasi-isotropic properties, which has the same section modulus and the same mechanical strength at all stress levels.

lsi (j I ,&tgr; .·; f <i .icrkiiM 5 t '> to f f mit Mo J /:f tir nj t; r &ngr; rbwndnn. so orhoht r.icli die mkm-hdn i sehe festigkeit des HoJ / fu/&tgr;&igr; i er s im Verbund, während sich die lieu 1 ü Le i f i y kc i I des GIdS- f&agr; scrkunststoffes ebenfalls erhöht. Ein weiterer Gedanke 1st die Verwendung von unldlrektlonalen Carbonfasergelegen mit hohem Elastizitätsmodul und zugleich sehr hoher spezifische- Zugfestigkeit. Im Einzelfall kann es auch sinnvoll sein, einen solchen Verbund bei Verwendung des Eormkörpers zu erstellen, der für Abschirmungen gegen Strahlung oder extrem leichte und hochbelastbare Formkörper vorgesehen ist (Fig 9),(Fig 12).lsi (j I ,&tgr;.·; f <i .icrkiiM 5 t '> to ff with Mo J /:f tir nj t; r &ngr; rbwndnn. this increases the mechanical strength of the HoJ / fu/&tgr;&igr; i er s in the composite, while the lieu 1 ü Le ifiy kc i I of the GIdS plastic is also increased. Another idea is the use of non-rectional carbon fiber fabrics with a high modulus of elasticity and at the same time a very high specific tensile strength. In individual cases it can also be useful to create such a composite when using the molded body which is intended for shielding against radiation or extremely light and highly resilient molded bodies (Fig 9), (Fig 12).

Für viele Bereiche ist der Formkörper mit einem Dekor, aufgedruckt oder als Einzel sch!cht (Fig 11, B3), versehen .For many areas, the molded body is provided with a decoration, printed or as a single layer (Fig 11, B3).

Eine weitere preisgünstige Möglichkeit ist dadurch gegeben, daß eine Holzspanplatte auf mindestenr- einer Fläche mit imprägnierten unidirektionalen Fasergelegen beschichtet ist. Falls beide Flächen auf diese Weise beschichtet sind, so ergibt sich dadurch ein Sandwicheffekt, Äcbei die Holzspanplatte (Fin. 13- A3) die statisch neutrale Zone und die unidirektionalen Faserkunststofflagen (Fig. 13, Bl und B2) die Ober- und Untergurte analog zu einem TT-Träger bildeten.Another inexpensive option is to coat a chipboard on at least one surface with impregnated unidirectional fiber layers. If both surfaces are coated in this way, a sandwich effect is created, with the chipboard (Fig. 13- A3) forming the statically neutral zone and the unidirectional fiber-reinforced plastic layers (Fig. 13, Bl and B2) forming the upper and lower chords, analogous to a TT beam.

Sofern die unidirektionalen Fasergelege an den Außenflächen von Furnierblättern oder Holzspanplatten angeordnet sind (Fig 9, Bl, Al, B2) und mit Phenolharz imprägniert wurden, so ergibt sich eine hohe feuerhemmende Wirkung, sodaß der erfindungsgemäße Formkörper in feuergefährdeten Bereichen eingesetzt werden kann.If the unidirectional fiber layers are arranged on the outer surfaces of veneer sheets or particle boards (Fig. 9, Bl, Al, B2) and have been impregnated with phenolic resin, a high fire-retardant effect is obtained, so that the molded body according to the invention can be used in fire-prone areas.

Der erfindungsgemäße Formkörper läßt sich vielfältig variieren, sodaß seine Möglichkeiten an dieser Stelle nicht alle benannt werden können.The molded body according to the invention can be varied in many ways, so that its possibilities cannot all be named here.

Weitere Kennzeichen und Merk ma ie er (je be &eegr; sich aus den nachfolgend genannten Ausführungsbeispielen und figur en.Further characteristics and features can be found in the following examples and figures.

Ls zei c)'1 &eegr; :Ls zei c)' 1 &eegr; :

Fig IA ein Furnierblatt i., der Draufsicht, Fig I A a veneer sheet i., top view,

Fig 2B ein unidjrektional-Fasergelege in der Draufsicht, Fig 2 B a unidjrektional fibre fabric in plan view,

2Ba diagonale Fäden zur Verfestigung der parallel angeordneten Verstärkungsfaser-Rovings,2Ba diagonal threads for strengthening the parallel arranged reinforcing fibre rovings,

Fig 3Al ein Furnierblatt in 0°-Orientierung, Fig 4A2 ein Furnierblatt in 90°-0rientierung, Fig 3 A1 a veneer sheet in 0° orientation, Fig 4 A2 a veneer sheet in 90° orientation,

Fig 5Bl ein Unidirektional-Fasergelegelaminat in 90°- Fig 5 Bl a unidirectional fibre lay-up laminate in 90°

Orien tiörung,
Fig 6B2 dto. in 0°-Orientierung,Orientation,
Fig 6B2 ditto in 0° orientation,

Fig 7
Al u. Fig. 7
Al u.

Bl ein Furnierblatt in 0°-0rientierung, verbunden mit einem Furnierblatt in 90°-0rientierung,Bl a veneer sheet in 0° orientation, connected to a veneer sheet in 90° orientation,

B2 u. A2 ein Unidirektional-Fasergelegelaminat inB2 and A2 a unidirectional fibre laminate in

0°-Orientierung verbunden mit einem Furnierblatt in 90°-0rientierung,0° orientation combined with a veneer sheet in 90° orientation,

ein Unidirektional-Fasergelegelaminat in 90°-0rientierung, ein Furnierblatt in 0°-0rientierung als Mittellage, sowie ein weiteres Unidirektional-Fasergelegelaminat. Beide Laminate (Bl u. Bl) durch Übertragung des überschüssigen Laminierharzanteiles mit dem Furnierblatt- (Al) homogen verbunden.a unidirectional fiber-lay laminate in 90° orientation, a veneer sheet in 0° orientation as a middle layer, and another unidirectional fiber-lay laminate. Both laminates (Bl and Bl) are homogeneously connected to the veneer sheet (Al) by transferring the excess laminating resin.

Fig IO eine Kombination verschiedener Zuordnungen A2 von Unidirektional-Fasergelegelaminat und Al Furnierblättern zu einem erfindungsgemäßen B2 Formkörper, Fig. 10 shows a combination of different assignments A2 of unidirectional fiber layup laminate and Al veneer sheets to form a B2 molded body according to the invention,

Fig 11 ein weiterer erfindungsgemäßer Formkörper mit einseitiger Dekorbeschichtung aus Melaminschichtstoff, Marmor, Keramik, Metall, Dekoraufdruck oder dergleichen (B3), Fig. 11 another molded body according to the invention with one-sided decorative coating made of melamine laminate, marble, ceramic, metal, decorative print or the like (B3),

Fig 12 ein erfindungsgemäßer Formkörper, bestehend aus Unidirektional-Fasergelegelaminat in 90°- Orientierung als obere und untere Decklage und 2 in 0 -Orientierung angeordneten Furnierblättern in Draufsicht, Fig. 12 a molded body according to the invention, consisting of unidirectional fiber layup laminate in 90° orientation as upper and lower cover layer and 2 veneer sheets arranged in 0 orientation in plan view,

Fig 13 ein erfi &pgr; (Jungsgemäßer Formkörper aus einem Fig 13 a erfi &pgr; (Junges-type molded body from a

Unidirektional-Faseryelegelaminat in 90° und 0°-Orientierung als obere Decklage sowie einem Unidirektional-Fasergelegelaminat in 90°- Orientierung als untere Decklage und einer Holzspanplatte als Mittellage, die zugleich die statisch neutrale Zone bildet, Unidirectional fibre lay-up laminate in 90° and 0° orientation as the upper cover layer and a unidirectional fibre lay-up laminate in 90° orientation as the lower cover layer and a wood chipboard as the middle layer, which also forms the statically neutral zone,

Fig 14 mögliche Orientierungswinkel der Unidirektional-F3S2rn5i6&pgr;&thgr;-Lärninstsschichten &ugr; ir: "1JaSi-I0GtT00*3 Eigenschaften des Formkörpers zu erzielen. Fig. 14 possible orientation angles of the unidirectional -F3S2r n 5i6 π &thgr;- noise layers &ugr; ir: " 1 JaSi-I 0 GtT 00 * 3 properties of the molded body.

Claims (8)

5 c I) &ugr; t 7 es &eegr; s &rgr; r ii &ngr;5 c I) &ugr; t 7 es &eegr; s &rgr; r ii &ngr; 1. Formkörper mit mehrlagigem Aufbau, dadurch gekennzeichnet, daß eine F^sergelege-Laminatsschicht in unidirektionaler Faserorientierung auf mindestens einer Fläche mit einem Holzfurnierblatt bezw. -platte d ü &Ggr; C > &igr; &ngr; c &Ggr; k &igr; 6 &ugr; ü &Ggr;&igr; Q V e &Ggr; b ü &Pgr; u c &Ggr;&igr; ist.1. Molded body with multi-layer structure, characterized in that a fiber-laid laminate layer in unidirectional fiber orientation on at least one surface with a wood veneer sheet or panel is bonded. 2. Formkörper nach Anspruch 1, dadurch gekennzeichnet, daß die Fasergelege-Laminatsschicht als sog. Prepreg vorgefertigt, mit einer überschüssigen Lamirierhar?- menqe versehen ist, die für die Haftvermittlung mit der Furnierschicht ausreicht.2. Shaped body according to claim 1, characterized in that the fiber-laid laminate layer is prefabricated as a so-called prepreg and is provided with an excess laminating layer which is sufficient for promoting adhesion to the veneer layer. 3. Formkörper nach Anspruch 1, dadurch gekennzeichnet,3. Shaped body according to claim 1, characterized in daß die Faserstränge der Fasergelege-Laminatsschicht (B) pallel liegend angeordnet gleichgerichtet und duref quer verlaufende Verfestigungsfäden (Ba) verbunden sind.that the fiber strands of the fiber-laid laminate layer (B) are arranged parallel, aligned and connected by transverse reinforcement threads (Ba). 4. Formkörper nach Anspruch 1 und einem der folgenden Ansprüche, dadurch gekennzeichnet, daß die Faserstränge der Fasergelege-Laminatsschicht aus Glas-, Carbon-, Polyaramid-, Polyester-, Acryl-, aromatischem Polyethylen oder SiIiciumc?^^'Jfasern bestehen. 4. Shaped body according to claim 1 and one of the following claims, characterized in that the fiber strands of the fiber-laid laminate layer consist of glass, carbon, polyaramid, polyester, acrylic, aromatic polyethylene or silicon fibers . 5. Formkörper nach Anspruch 1, dadurch gekennzeichnet, daß die Furnierblätter (A) aus Schäl- oder Messerfurnier bestehen.5. Shaped body according to claim 1, characterized in that the veneer sheets (A) consist of rotary-cut or sliced veneer. 6. Formkörper mit mehrlagigem Aufbau, dadurch gekennzeichnet, daß zur Erzielung eines Sandwicheffektes in der statisch neutralen Zone eine Holzspanplatte (A3) vorgesehen ist, die beidseitig durch mindestens eine Schicht aus Fasergelege-Laminat abgedeckt ist.6. Moulded body with a multi-layer structure, characterized in that in order to achieve a sandwich effect a wood chipboard (A3) is provided in the statically neutral zone, which is covered on both sides by at least one layer of fibre-laid laminate. &bull; a ·»»·&bull; a ·»»· &bull; r · f &bull; r · f 7. Formkörper nach Anspruch 1, dadurch gekennzeichnet, daß für die Imprägnierung der Fasergelege-Laminatsschicht und zur Verklebung der Laminatsschichten mit den Furnierblättern Phenol-, Epoxid-, Melamin-, Harnstoff-, Polyester oder Silikonharze verwendet wurden.7. Shaped body according to claim 1, characterized in that phenolic, epoxy, melamine, urea, polyester or silicone resins were used for impregnating the fiber-laid laminate layer and for bonding the laminate layers to the veneer sheets. 8. Formkörper nach Anspruch 1, dadurch gekennzeichnet, daß sowohl die Furnierblätter als auch die Fasergelege-Laminatsschichten in beliebigen Kreuzungswinkeln zugeordnet sind, um quasi-isotrope Materialeigenschaften (Fig 14) zu erzieler..8. Shaped body according to claim 1, characterized in that both the veneer sheets and the fiber-laid laminate layers are arranged at any desired crossing angles in order to achieve quasi-isotropic material properties (Fig. 14).
DE9003971U 1990-04-05 1990-04-05 Molded body with multi-layer structure Expired - Lifetime DE9003971U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE9003971U DE9003971U1 (en) 1990-04-05 1990-04-05 Molded body with multi-layer structure
DE4110640A DE4110640A1 (en) 1990-04-05 1991-04-02 Laminate FRP construction wood prods. - consists of e.g. veneer or chipboard bonded to unidirectional or crossed fibre FRP in the form of e.g. three, four or more ply boards

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DE9003971U DE9003971U1 (en) 1990-04-05 1990-04-05 Molded body with multi-layer structure

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1778019U (en) * 1958-06-30 1958-11-20 Renolit Werke Gmbh WOOD PANEL OR - FILM WITH PLASTIC SURFACE.
DE1958236U (en) * 1966-10-21 1967-04-06 Heinrich Huntebrinker Spezialf PLATE MADE OF SYNTHETIC RESIN FOR CABINETS AND CABINET DOORS, IN PARTICULAR FOR KITCHENS.
DE1976325U (en) * 1967-01-27 1968-01-04 Kunkal & Co Ing SURFACE FINISHED MATERIAL PANEL.
DE2227738A1 (en) * 1971-06-07 1973-02-15 Mitsubishi Gas Chemical Co PROCESS FOR MANUFACTURING GLASS FIBER REINFORCED POLYESTER COMPOSITE PANELS
DE7226373U (en) * 1971-10-11 1974-01-03 Gebrueder Sulzer Ag Plastic plate
DE2709596A1 (en) * 1977-03-03 1978-09-07 Willy Muehlau Cladding of chipboards with impregnated veneers - giving same characteristics as glass fibre coatings more cheaply
EP0142906A1 (en) * 1983-08-25 1985-05-29 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Composite materials

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1778019U (en) * 1958-06-30 1958-11-20 Renolit Werke Gmbh WOOD PANEL OR - FILM WITH PLASTIC SURFACE.
DE1958236U (en) * 1966-10-21 1967-04-06 Heinrich Huntebrinker Spezialf PLATE MADE OF SYNTHETIC RESIN FOR CABINETS AND CABINET DOORS, IN PARTICULAR FOR KITCHENS.
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DE2227738A1 (en) * 1971-06-07 1973-02-15 Mitsubishi Gas Chemical Co PROCESS FOR MANUFACTURING GLASS FIBER REINFORCED POLYESTER COMPOSITE PANELS
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EP0142906A1 (en) * 1983-08-25 1985-05-29 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Composite materials

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