EP1898037A1 - Heat insulated structural section made of polyurethane (PUR) with an interior reinforcement profile made of fibreglass reinforced plastic - Google Patents

Heat insulated structural section made of polyurethane (PUR) with an interior reinforcement profile made of fibreglass reinforced plastic Download PDF

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Publication number
EP1898037A1
EP1898037A1 EP07014793A EP07014793A EP1898037A1 EP 1898037 A1 EP1898037 A1 EP 1898037A1 EP 07014793 A EP07014793 A EP 07014793A EP 07014793 A EP07014793 A EP 07014793A EP 1898037 A1 EP1898037 A1 EP 1898037A1
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EP
European Patent Office
Prior art keywords
profile according
profile
pur
reinforced plastic
construction profile
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.)
Withdrawn
Application number
EP07014793A
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German (de)
French (fr)
Inventor
Joachim Kleiss
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.)
Bosig Baukunststoffe GmbH
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Bosig Baukunststoffe GmbH
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Application filed by Bosig Baukunststoffe GmbH filed Critical Bosig Baukunststoffe GmbH
Priority to EP08005341A priority Critical patent/EP1936094A3/en
Publication of EP1898037A1 publication Critical patent/EP1898037A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/20—Constructions depending on the use of specified materials of plastics
    • E06B3/205—Constructions depending on the use of specified materials of plastics moulded or extruded around a core
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/20—Constructions depending on the use of specified materials of plastics
    • E06B3/22—Hollow frames
    • E06B3/221—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity

Definitions

  • Fig. 1-2 show profiles of this type, consisting of frame, sash profile with insulating glass and glazing bead.
  • the reason for this is the very high thermal resistance of the PUR material compared to the metal core, determined by the so-called thermal conductivity lambda ⁇ . This is 150.0 W / mK for aluminum 0.085 for PUR with a density of 600 kg / m 3 0.040 for PUR with a density of 200 kg / m 3 .
  • the desired insulation value of well below 1.0 W / m 2 K is achieved according to the invention at low, ie unchanged profile width, that are used instead of metal reinforcements made of fiber-reinforced plastic profiles with a much lower thermal conductivity.
  • Fig. 3 shows these cross sections by way of example.
  • the thermal conductivity is about 500 times better than that of aluminum; It is almost in the area of the surrounding PUR material and the support profile is therefore no longer a "thermal bridge". The latter all the more, because the thickness of the profile can be kept very low because of the high strength. As a result, comes as insulation width "d" practically the entire profile thickness effect.
  • GfK profiles are carried out continuously in the so-called pultrusion process. This allows a high fiber content of up to 80%; Fiber type and proportion, resin type and geometry can be as needed in be chosen in a broad spectrum. In mass applications polyester resin and glass fibers are mostly used as strand bundles. Also possible are epoxy resins and carbon fibers (carbon) or fibers from renewable raw materials.
  • the strength is at least equivalent;
  • the GfK profile can be designed both as a hollow profile with integrally formed webs and as an open, one-piece profile; it may also be 2-piece and fixed by webs or spacers in the desired position.
  • IMC In-mold-coating
  • the processing of the profiles in the general framework is carried out by cutting the profiles to the desired size and by joining together at the corners using corner brackets or screws with adhesive.
  • FIG. 3 shows such a GRP profile by way of example as a reinforcement in the PU profile described above.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Laminated Bodies (AREA)
  • Wing Frames And Configurations (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

The thermal insulated building profile is made from Polyurethane (PUR) having internal reinforcement. The reinforcement is made of fiber-reinforced plastic with small heat conductivity. The strengthened plastic is a polyester resin, an Epoxy or a PU resin. An independent claim is included for a building profile.

Description

Bauprofile aus Polyurethan-Integralhartschaumstoff (PUR), wie sie z.B. in den Deutschen Patenten Nr. 34 08 995 und 34 08 975 beschrieben werden, benötigen zur Erlangung einer ausreichenden Steifigkeit Kemprofile aus Metall, i.A. Aluminium Hohlprofile, welche entweder 1-stückig als 4-kant-Rohrprofile mit angeformten Schenkeln ausgebildet sind oder zur Erlangung besserer Wärme-Dämmwerte in einer Weiterentwicklung 2-stückig in Form von räumlich getrennten Einzelprofilen wie sie im Gebrauchsmuster Nr. 201 05 8758 beschrieben sind.Structural profiles made of polyurethane integral rigid foam (PUR), as used in the German Patent No. 34 08 995 and 34 08 975 To obtain a sufficient rigidity Kemprofile metal, iA aluminum hollow sections, which are either 1-piece formed as a 4-edge pipe profiles with molded legs or to achieve better thermal insulation values in a development 2-piece in the form of spatially separate individual profiles as described in Utility Model No. 201 05 8758.

Die Zeichnungsquerschnitte auf Fig. 1-2 zeigen Profile dieser Art, bestehend aus Blendrahmen, Flügelprofil mit Isolierglas und Glasleiste.The drawing cross sections on Fig. 1-2 show profiles of this type, consisting of frame, sash profile with insulating glass and glazing bead.

Die Wärmedämmung dieser Profile, ausgedrückt durch den sog. U-Wert, wird im Wesentlichen bestimmt durch die Dicke "d" der PUR-Ummantelung bzw. durch die Gesamtdicke des PUR-Materials in horizontaler Richtung bestehend aus Ummantelung und Abstand der Metallschalen d = d1 + d2 + d3.The thermal insulation of these profiles, expressed by the so-called U-value, is essentially determined by the thickness "d" of the PUR coating or by the total thickness of the PUR material in the horizontal direction consisting of sheathing and distance of the metal shells d = d 1 + d 2 + d 3 .

Grund hierfür ist der im Vergleich zum Metallkern sehr hohe Wärmeleitwiderstand des PUR-Materials, bestimmt durch die sog. Wärmeleitzahl Lambda λ. Diese beträgt
150,0 W/mK bei Aluminium
0,085 bei PUR mit einer Dichte von 600 kg/m3
0,040 bei PUR mit einer Dichte von 200 kg/m3.The reason for this is the very high thermal resistance of the PUR material compared to the metal core, determined by the so-called thermal conductivity lambda λ. This is
150.0 W / mK for aluminum
0.085 for PUR with a density of 600 kg / m 3
0.040 for PUR with a density of 200 kg / m 3 .

Es ist zu erkennen, dass Aluminium die Wärme unvergleichlich besser leitet als PUR, insbesondere bei geringer PUR-Dichte.It can be seen that aluminum conducts the heat incomparably better than PUR, especially with low PUR density.

Hieraus ergeben sich U-Werte von ca. 1,8 W/m2K bei Profiltyp gem. Fig. 1
1,2 W/m2K bei Profiltyp gem. Fig. 2This results in U-values of about 1.8 W / m 2 K at profile type acc. Fig. 1
1.2 W / m 2 K at profile type acc. Fig. 2

Der letztgenannte Wert ist für Standard-Fenster derzeit ein sehr guter Wert; er liegt im Bereich hochwertiger 2-Scheiben-lsolierverglasung; jedoch werden zunehmend bessere Dämmwerte von deutlich unter 1,0 W/m2K gewünscht, die beim Isolierglas z.B. durch Verwendung von 3-Scheiben-Glas mit einem Ug-Wert von 0,5 bis 0,7 möglich sind, jedoch im Rahmenbereich nur durch Einsatz aufwändiger, teilweise passivhaus-tauglicher Rahmen.The latter value is currently a very good value for standard windows; it is in the range of high-quality 2-pane insulating glass; However, increasingly better insulating values of well below 1.0 W / m 2 K are desired, which are possible with insulating glass, for example, by using 3-pane glass with a Ug value of 0.5 to 0.7, but in the frame only by Use of elaborate, partially passive house-suitable frame.

Bei einer Weiterentwicklung des Profiltyps gem. Fig. 2 kann der Abstand zwischen den beiden Metall-Schalen durch Einsatz von Verstärkungsgewebe (Gebrauchsmuster Nr. 203 13 884.8) deutlich erhöht und damit ein besserer U-Wert erzielt werden, jedoch geht dies zu Lasten der Profilbreite, welche aus verschiedenen Gründen möglichst gering gewünscht wirdIn a further development of the profile type gem. Fig. 2, the distance between the two metal shells by using reinforcing fabric (Utility Model No. 203 13 884.8) significantly increased and thus a better U-value can be achieved, but this is at the expense of the profile width, which for various reasons as low as possible it is asked for

Der gewünschte Dämmwert von deutlich unter 1,0 W/m2K wird bei geringer, d.h. unveränderter Profilbreite erfindungsgemäß nun dadurch erreicht, dass anstelle von Metallverstärkungen solche aus faserverstärkten Kunststoffprofilen mit einer wesentlich niedrigeren Wärmeleitzahl eingesetzt werden.The desired insulation value of well below 1.0 W / m 2 K is achieved according to the invention at low, ie unchanged profile width, that are used instead of metal reinforcements made of fiber-reinforced plastic profiles with a much lower thermal conductivity.

Fig. 3 zeigt diese Querschnitte beispielhaft.Fig. 3 shows these cross sections by way of example.

Derartige GfK-Profile (GfK = glasfaserverstärkter Kunststoff) zeichnen sich aus durch

  • sehr hohe Festigkeit
  • extrem geringe thermische Längenausdehnung; der thermische Längen-Ausdehnungskoeffizient liegt um den Faktor 3-4 unter dem von Aluminium
  • geringes Gewicht
  • gute Verbindung zum Umgebungsmaterial PUR und ganz besonders
  • niedrigen Lambda - Wert von 0,2-0,4 W/mK
Such GfK profiles (GfK = glass fiber reinforced plastic) are characterized by
  • very high strength
  • extremely low thermal expansion; the coefficient of thermal expansion is 3-4 times lower than that of aluminum
  • low weight
  • good connection to the surrounding material PUR and very special
  • low lambda value of 0.2-0.4 W / mK

Die Wärmeleitzahl ist damit etwa um den Faktor 500 besser als die von Aluminium; sie liegt fast im Bereich des umgebenden PUR-Materials und das Tragprofil ist demnach keine "Wärmebrücke" mehr. Letzteres umso mehr, als die Dicke des Profils wegen der hohen Festigkeit sehr gering gehalten werden kann. Hierdurch kommt als Dämm-Breite "d" praktisch die gesamte Profilstärke zur Wirkung.The thermal conductivity is about 500 times better than that of aluminum; It is almost in the area of the surrounding PUR material and the support profile is therefore no longer a "thermal bridge". The latter all the more, because the thickness of the profile can be kept very low because of the high strength. As a result, comes as insulation width "d" practically the entire profile thickness effect.

Die Herstellung solcher GfK-Profile erfolgt kontinuierlich im sog. Pultrusions-Verfahren. Dies erlaubt einen hohen Faser-Anteil von bis zu 80 %; Faserart und -anteil, Harztyp und Geometrie können je nach Bedarf in einem breiten Spektrum gewählt werden. Bei Massen-Anwendungen werden meistens Polyester-Harz und Glasfasern als Strang-Bündel verwendet. Möglich sind auch Epoxy-Harze und Kohlenstoff-Fasern (Carbon) oder Fasern aus nachwachsenden Rohstoffen.The production of such GfK profiles is carried out continuously in the so-called pultrusion process. This allows a high fiber content of up to 80%; Fiber type and proportion, resin type and geometry can be as needed in be chosen in a broad spectrum. In mass applications polyester resin and glass fibers are mostly used as strand bundles. Also possible are epoxy resins and carbon fibers (carbon) or fibers from renewable raw materials.

Diese Kombination ermöglicht Herstellungskosten unterhalb der eingangs beschriebenen Alu-Profile. Die Festigkeit ist mindestens gleichwertig; Das GfK-Profil kann sowohl als Hohlprofil mit angeformten Stegen wie als offenes, einstückiges Profil gestaltet werden; ebenso kann es 2-teilig und durch Stege oder Abstandshalter in der gewünschten Position fixiert sein.This combination allows manufacturing costs below the aluminum profiles described above. The strength is at least equivalent; The GfK profile can be designed both as a hollow profile with integrally formed webs and as an open, one-piece profile; it may also be 2-piece and fixed by webs or spacers in the desired position.

Die Herstellung solcher PUR-Profile erfolgt in gleicher Weise wie jene mit Alu-Kern, d.h. durch Umschäumen des Kern-Profils in im Allgemeinen 2-teiligen Schäumformen im sog. RSG-Verfahren = Reaktion-Spritzguß. Die beim Befüllen des Werkzeuges gemischten, gut fließfähigen PUR-Komponenten umströmen das vor dem Schließen der Form eingelegte Kemprofil und härten während der sog. Formstandzeit von einigen Minuten zu einem praktisch unlösbaren Verbund mit dem Verstärkungsprofil aus.The production of such PUR profiles is carried out in the same way as those with aluminum core, ie by foaming the core profile in generally 2-part foam molds in the so-called RSG process = reaction injection molding. The well-flowable PU components mixed during filling of the tool flow around the core profile inserted before closing the mold and harden during the so-called mold life of a few minutes to a virtually insoluble bond with the reinforcing profile.

Nach der Entnahme aus der Form ist das PUR-Profil sofort verarbeitungsbereit. In einer Sonderform dieses RSG-Verfahrens kann auch das sog. Formlackier-Verfahren (in-mold-coating = IMC) eingesetzt werden, bei dem vor dem Einlegen des Verstärkungsprofils ein geeigneter lack in die offene Form gesprüht wird, der sich bei der Reaktion des PUR-Materials mit diesem verbindet und ein grundiertes oder fertig lackiertes Formteil ergibt.After removal from the mold, the PUR profile is ready for use immediately. In a special form of this RSG process, the so-called. In-mold-coating (IMC) can be used, in which a suitable lacquer is sprayed into the open mold before inserting the reinforcing profile, which in the reaction of PUR material connects with this and gives a primed or finished painted part.

Die Verarbeitung der Profile zu im allgemeinen Rahmen erfolgt durch Ablängen der Profile auf das gewünschte Maß und durch Zusammenfügen an den Ecken unter Einsatz von Eckwinkeln oder mittels Schrauben mit Kleber.The processing of the profiles in the general framework is carried out by cutting the profiles to the desired size and by joining together at the corners using corner brackets or screws with adhesive.

Fig. 3 zeigt ein solches GfK-Profil beispielhaft als Verstärkung in dem eingangs beschriebenen PUR-Profil.FIG. 3 shows such a GRP profile by way of example as a reinforcement in the PU profile described above.

Die hier eingetragenen Buchstaben haben in den Zeichnungen folgende Bedeutung:

  • Fig. 1:
    • a = Blendrahmenprofil mit 1-stückigem Metall-Kernprofil
    • b = Flügelprofil mit Merkmalen wie bei a
    • c = Isolierglasscheibe im Flügel als 2-fach oder 3-fach Iso-Glas mit Profilgummi-Abdichtung innen und aussen
    • d = Dicke der PUR-Dämmschicht als Summe aus Schicht d1 bis d3
    • e = Glasleiste zur Schaffung des Anpressdruckes auf die Scheibe
  • Fig. 2:
    • f = getrennte Metall-Kernprofile in Flügel und Blendrahmen
    • g = Beschlagsnut für Fensterbeschlag
    • h = Polyurethan-Hartschaum mit PUR-Lack-Randschicht
  • Fig. 3:
    • i = Flügel mit Kemprofil aus faserverstärktem Kunststoff
    • j = Blendrahmen mit Kemprofil aus faserverstärktem Kunststoff
    • k = faserverstärktes Kunststoff-Profil, 1-stückig
    • l = faserverstärktes Kunststoff-Profil, 2-stückig
The letters entered here have the following meaning in the drawings:
  • Fig. 1:
    • a = frame profile with 1-piece metal core profile
    • b = wing profile with features as in a
    • c = Insulating glass panel in the wing as 2-fold or 3-fold iso-glass with profile rubber seal inside and outside
    • d = thickness of the PUR insulation layer as the sum of layers d 1 to d 3
    • e = Glazing bead to create the contact pressure on the pane
  • Fig. 2:
    • f = separate metal core profiles in sash and frame
    • g = fitting groove for window fitting
    • h = rigid polyurethane foam with PUR lacquer edge layer
  • 3:
    • i = wing with core profile made of fiber-reinforced plastic
    • j = frame with core profile made of fiber-reinforced plastic
    • k = fiber-reinforced plastic profile, 1-piece
    • l = fiber-reinforced plastic profile, 2-piece

Claims (13)

Wärmegedämmtes Bauprofil aus Polyurethan (PUR) mit innerem Verstärkungsprofil, dadurch gekennzeichnet, dass das Verstärkungsprofil aus faserverstärktem Kunststoff mit geringer Wärmeleitfähigkeit besteht.Thermally insulated construction profile of polyurethane (PUR) with inner reinforcing profile, characterized in that the reinforcing profile consists of fiber-reinforced plastic with low thermal conductivity. Bauprofil nach Anspruch 1, dadurch gekennzeichnet, dass der verstärkte Kunststoff ein Polyester-Harz ist.Construction profile according to claim 1, characterized in that the reinforced plastic is a polyester resin. Bauprofil nach Anspruch 1, dadurch gekennzeichnet, dass der verstärkte Kunststoff ein Epoxy- oder Polyurethan-Harz ist.Construction profile according to claim 1, characterized in that the reinforced plastic is an epoxy or polyurethane resin. Bauprofil nach Anspruch 1-4, dadurch gekennzeichnet, dass das Fasermaterial Glas ist.Construction profile according to claims 1-4, characterized in that the fiber material is glass. Bauprofil nach Anspruch 1-4, dadurch gekennzeichnet, dass das Fasermaterial Carbon ist.Construction profile according to claims 1-4, characterized in that the fiber material is carbon. Bauprofil nach Anspruch 1-4, dadurch gekennzeichnet, dass das Fasermaterial Naturfaser wie z.B. Hanf ist.Construction profile according to claims 1-4, characterized in that the fiber material is natural fiber such as hemp. Bauprofil nach Anspruch 1-6, dadurch gekennzeichnet, dass das Verstärkungsprofil 1-stückig als Rohr mit angeformten Stegen gestaltet ist.Building profile according to claim 1-6, characterized in that the reinforcing profile is designed in one piece as a tube with molded webs. Bauprofil nach Anspruch 1-6, dadurch gekennzeichnet, dass das Verstärkungsprofil 1-stückig, beispielsweise als H-Profil mit angeformten Stegen gestaltet ist.Construction profile according to claim 1-6, characterized in that the reinforcing profile is formed in one piece, for example as an H-profile with integrally formed webs. Bauprofil nach Anspruch 1-6, dadurch gekennzeichnet, dass das Verstärkungsprofil zwei- oder mehrstückig zusammengesetzt ist.Building profile according to claim 1-6, characterized in that the reinforcing profile is composed of two or more pieces. Bauprofil nach Anspruch 1-9, dadurch gekennzeichnet, dass die Herstellung im gewünschten Farbton im Formlackier-Verfahren erfolgt.Construction profile according to claims 1-9, characterized in that the production takes place in the desired color in the form-coating process. Bauprofil nach Anspruch 1-10, dadurch gekennzeichnet, dass das Zusammenfügen zu Fenster-Rahmen durch Zuschneiden auf Gehrung und Einschieben von Eckwinkeln in den Hohlkern des Rohres erfolgt.Construction profile according to claim 1-10, characterized in that the joining takes place to window frame by cutting miter and inserting corner angles in the hollow core of the tube. Bauprofil nach Anspruch 1-10, dadurch gekennzeichnet, dass das Zusammenfügen zu Fenster-Rahmen durch Zuschneiden auf Gehrung und Verschrauben der Ecken erfolgt.Construction profile according to claim 1-10, characterized in that the joining takes place to window frame by cutting miter and screwing the corners. Bauprofil nach Anspruch 1-10, dadurch gekennzeichnet, dass das Zusammenfiigen zu Fenster-Rahmen durch sog. stumpfen Stoß der Profile mittels Anfräsen der Gegenkontur und Verschrauben der Ecke erfolgt.Construction profile according to claim 1-10, characterized in that the Zusammenfiigen to window frame by so-called. Blunt impact of the profiles by means of trimming the mating contour and screwing the corner takes place.
EP07014793A 2006-09-09 2007-07-27 Heat insulated structural section made of polyurethane (PUR) with an interior reinforcement profile made of fibreglass reinforced plastic Withdrawn EP1898037A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08005341A EP1936094A3 (en) 2006-09-09 2007-07-27 Method for manufacturing a heat-insulated construction profile from polyurethane (PUR) as a semi-finished product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200620013838 DE202006013838U1 (en) 2006-09-09 2006-09-09 Thermal insulated building profile e.g. for thermal insulation, made from Polyurethane having internal reinforcement made of fiber-reinforced plastic with small heat conductivity

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EP07014793A Withdrawn EP1898037A1 (en) 2006-09-09 2007-07-27 Heat insulated structural section made of polyurethane (PUR) with an interior reinforcement profile made of fibreglass reinforced plastic
EP08005341A Withdrawn EP1936094A3 (en) 2006-09-09 2007-07-27 Method for manufacturing a heat-insulated construction profile from polyurethane (PUR) as a semi-finished product

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DE102008009495A1 (en) * 2008-02-15 2009-08-20 Bbg Gmbh & Co. Kg A method of manufacturing a molding, molding tool for use in the method and profile molding produced by the method
AT511951B1 (en) * 2011-12-29 2013-04-15 Ifn Holding Ag LIFTING / SLIDING
EP2641726A1 (en) * 2012-03-21 2013-09-25 Fiberline A/S Method and apparatus for preventing thermal bridges in fibre reinforced structural elements
DK179586B1 (en) * 2016-10-13 2019-02-20 Vkr Holding A/S A frame member, a method for making a frame member, a frame structure and use of a frame member
DE202018100202U1 (en) * 2018-01-15 2019-04-17 Hydrotec Technologies Ag Plastic frame of a drainage channel or a shaft
JP7074491B2 (en) * 2018-02-08 2022-05-24 積水化学工業株式会社 Resin members, composite resin members, and fittings
IT201900018899A1 (en) 2019-10-15 2021-04-15 Oscartielle S P A CLOSING SYSTEM FOR REFRIGERATORS AND RELATIVE REFRIGERATOR.

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DE2908346A1 (en) * 1979-03-03 1980-09-11 Wilfried Ing Grad Droege Polyurethane foam frame element - with reinforcing core of hollow glass fibre reinforced plastic
EP0063234A1 (en) * 1981-04-15 1982-10-27 Schock & Co. GmbH Extruded hollow plastics profile member for window frames, window frame composed of such profile members and manufacturing method of such a window frame
GB2287491A (en) * 1994-03-15 1995-09-20 William Henry Topham Hollow structural member with internal stiffening
WO2004009943A1 (en) * 2002-07-24 2004-01-29 Onnela, Raimo Window construction and method for manufacturing it

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2035808A1 (en) * 1970-07-18 1972-01-27 E. Albers & V. Drathen, 2223 Meldorf One-piece frame structures - moulded in duroplast rigid foam with closed cell and sealed skin
DE2908346A1 (en) * 1979-03-03 1980-09-11 Wilfried Ing Grad Droege Polyurethane foam frame element - with reinforcing core of hollow glass fibre reinforced plastic
EP0063234A1 (en) * 1981-04-15 1982-10-27 Schock & Co. GmbH Extruded hollow plastics profile member for window frames, window frame composed of such profile members and manufacturing method of such a window frame
GB2287491A (en) * 1994-03-15 1995-09-20 William Henry Topham Hollow structural member with internal stiffening
WO2004009943A1 (en) * 2002-07-24 2004-01-29 Onnela, Raimo Window construction and method for manufacturing it

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Publication number Publication date
EP1936094A3 (en) 2012-07-18
EP1936094A2 (en) 2008-06-25
DE202006013838U1 (en) 2006-12-07

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