EP1652642B1 - Roller shutters - Google Patents

Roller shutters Download PDF

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Publication number
EP1652642B1
EP1652642B1 EP05450161A EP05450161A EP1652642B1 EP 1652642 B1 EP1652642 B1 EP 1652642B1 EP 05450161 A EP05450161 A EP 05450161A EP 05450161 A EP05450161 A EP 05450161A EP 1652642 B1 EP1652642 B1 EP 1652642B1
Authority
EP
European Patent Office
Prior art keywords
wood
slats
wooden slats
impregnated
roller shutters
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.)
Not-in-force
Application number
EP05450161A
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German (de)
French (fr)
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EP1652642A1 (en
Inventor
Gerald Rankl
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Individual
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Individual
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Publication of EP1652642A1 publication Critical patent/EP1652642A1/en
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Publication of EP1652642B1 publication Critical patent/EP1652642B1/en
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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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/15—Roller shutters with closing members formed of slats or the like

Definitions

  • the invention relates to a shutter with a laterally guided curtain made of wood chips made of a solid wood, which form along their abutting longitudinal edges grooves and springs.
  • the invention is therefore based on the object, from a solid wood machined wood slats for a curtain of a shutter so to design, that the thickness of the wood slats can be reduced without having to give up good heat and sound insulation on the one hand and high reliability on the other hand.
  • the invention solves the problem set by the fact that the wood slats are interspersed with a thermoplastic impregnating agent substantially free of pores.
  • the essentially non-porous impregnation of the wood slats with a thermoplastic impregnating agent first increases the strength of the impregnated wood slats, so that the slats can be made thinner compared to non-impregnated wood slats, which has an advantageous effect on the winding diameter of the wound on the winding shaft curtain.
  • the thinner wooden slats the mutual overlap of the wood slats of the closed shutter and thus the burglary can be increased due to the higher strength properties, because the depth of the tongue and groove joint between the wood slats can be increased.
  • the weight loss caused by the reduced lamella thickness can be compensated, which benefits the closing function.
  • the substantially non-porous interpenetration of the wood material with the thermoplastic impregnating the impregnated wood slats also insensitive to weather conditions, so that moisture-induced changes in shape of the wood slats can be excluded.
  • thermoplastic impregnating solid wood material Although it is quite possible for the production of impregnated wood slats to mill the wood slats of a impregnated with a thermoplastic impregnating solid wood material, particularly advantageous production conditions arise when the wood slats are impregnated without pores substantially after their machining profiling with a thermoplastic impregnating agent.
  • concentration of the thermoplastic impregnating agent inevitably decreases from the surface of the wood material towards the core region, so that impregnation of the wood chips already profiled to ensure that in particular the surface regions are pore-free penetrated by the thermoplastic impregnating agent ,
  • the wooden slat 1 of a blind not shown for a shutter is profiled from a solid wood by a milling, so that along the longitudinal edges on the one hand against the subsequent, dash-dotted lines indicated timber lamella 1 projecting approach 2 and on the other hand, a groove 3, in the closed Blinds approach 2 of the subsequent wooden slat 1 engages positively as a spring.
  • a thermoplastic impregnating agent in a conventional manner, with a possible non-porous penetration of the wood material is sought with the impregnating agent.
  • This impregnation brings an increase in strength of the wood slats 1 with it, so that the thickness of the impregnated wood slats 1 compared to conventional, dashed lines indicated wood slats 4 can be significantly reduced without having to take a loss of strength in purchasing.
  • This increase in strength allows in particular a depression of the groove 3, so that the overlap of the interlocking in the manner of a tongue and groove joint wood slats 1 of the closed curtain and thus the burglary security is increased.
  • the functional safety of the curtain remains are also obtained because the weight reduction due to the reduced thickness of the wood slats 1 is compensated by the impregnation with the thermoplastic impregnating agent.
  • roller shutters can be ensured by the use of largely impregnated with a thermoplastic impregnating impregnated wood lamella 1, which take advantage of wood slats, without having to accept their disadvantages, in particular with regard to the winding diameter in purchasing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Laminated Bodies (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Holo Graphy (AREA)
  • Lock And Its Accessories (AREA)
  • Color Television Image Signal Generators (AREA)

Abstract

The shutter has machine cut solid wooden slats (1). Each slat has a notch (3) at the lower end matched to the upper end (2) of the next slat, and is impregnated or interspersed with non-porous thermoplastic.

Description

Die Erfindung bezieht sich auf einen Rolladen mit einem seitlich geführten Behang aus spanabhebend aus einem Vollholz gefertigten Holzlamellen, die entlang ihrer stoßenden Längsränder Nuten und Federn bilden.The invention relates to a shutter with a laterally guided curtain made of wood chips made of a solid wood, which form along their abutting longitudinal edges grooves and springs.

Um die im Vergleich zu Kunststoffen und Aluminiumwerkstoffen vorteilhaften Eigenschaften des Holzes hinsichtlich der Wärme- und Schalldämmung auch für Rolläden nützen zu können, ist es bekannt, den Behang für Rolläden aus Holzlamellen zu fertigen, die aus einem Vollholz profilgebend gefräst werden. Die ungünstigeren Festigkeitseigenschaften des Holzwerkstoffes bedingen allerdings entsprechend dicke Holzlamellen, die einen vergrößerten Wickeldurchmesser für den auf die Wickelwelle aufgewickelten Behang ergeben. Trotz der aus Festigkeitsgründen und aus Gründen der Formstabilität erforderlichen. Lamellendicke bleibt die sich bei geschlossenem Rolladen nach Art einer Nut-Federverbindung ergebende gegenseitige Überdeckung der Lamellen vergleichsweise gering, was sich nachteilig auf die Einbruchsicherheit von Rolläden mit einem Behang aus Holzlamellen auswirkt. Dies bedeutet, daß die Anforderungen an den geschlossenen Rolladen hinsichtlich der Wärme- und Schalldämmung einerseits und bezüglich der Funktionssicherheit anderseits durch dickere Holzlamellen besser erfüllt werden können, weil diese dickeren Holzlamellen bessere Festigkeits- und Dämmeigenschaften mit sich bringen und aufgrund ihres höheren Gewichtes das formschlüssige Ineinandergreifen der Nut-Federverbindungen zwischen ihren Längsrändern unterstützen. Der Einsatz dickerer Holzlamellen scheitert jedoch insbesondere bei größeren Behanglängen am Platzbedarf für den auf der Wickelwelle aufgewickelten Behang.In order to use the advantageous in comparison to plastics and aluminum materials properties of the wood in terms of heat and sound insulation for blinds, it is known to manufacture the blind for shutters of wood slats, which are profiled milled from a solid wood. However, the unfavorable strength properties of the wood material require correspondingly thick wooden slats, which result in an increased winding diameter for the wound on the winding shaft curtain. Despite the required for strength reasons and for reasons of dimensional stability. Lamellar thickness remains when the shutter is closed in the manner of a tongue and groove joint resulting mutual overlap of the slats comparatively low, which adversely affects the burglary security of blinds with a curtain of wooden slats. This means that the requirements of the closed shutters in terms of heat and sound insulation on the one hand and in terms of reliability on the other hand can be better met by thicker wooden slats, because these thicker wooden slats bring better strength and insulation properties and due to their higher weight the interlocking mesh support the tongue and groove joints between their longitudinal edges. However, the use of thicker wooden slats fails, especially for larger Behanglängen the space required for the wound on the winding tube curtain.

Der Erfindung liegt somit die Aufgabe zugrunde, aus einem Vollholz spanabhebend gefertigte Holzlamellen für einen Behang eines Rolladens so auszugestalten, daß die Dicke der Holzlamellen verringert werden kann, ohne auf eine gute Wärme- und Schalldämmung einerseits und eine hohe Funktionssicherheit anderseits verzichten zu müssen.The invention is therefore based on the object, from a solid wood machined wood slats for a curtain of a shutter so to design, that the thickness of the wood slats can be reduced without having to give up good heat and sound insulation on the one hand and high reliability on the other hand.

Die Erfindung löst die gestellte Aufgabe dadurch, daß die Holzlamellen mit einem thermoplastischen Imprägniermittel im wesentlichen porenfrei durchsetzt sind.The invention solves the problem set by the fact that the wood slats are interspersed with a thermoplastic impregnating agent substantially free of pores.

Das im wesentlichen porenfreie Imprägnieren der Holzlamellen mit einem thermoplastischen Imprägniermittel steigert zunächst die Festigkeit der imprägnierten Holzlamellen, so daß die Lamellen im Vergleich zu nichtimprägnierten Holzlamellen dünner gefertigt werden können, was sich vorteilhaft auf den Wickeldurchmesser des auf die Wickelwelle aufgewickelten Behangs auswirkt. Trotz der dünneren Holzlamellen kann aufgrund der höheren Festigkeitseigenschaften die gegenseitige Überdeckung der Holzlamellen des geschlossenen Rolladens und damit die Einbruchssicherheit vergrößert werden, weil die Tiefe der Nut-Federverbindung zwischen den Holzlamellen vergrößert werden kann. Mit der durchgehenden Imprägnierung der Holzlamellen kann darüber hinaus der durch die verringerte Lamellendicke bedingte Gewichtsverlust ausgeglichen werden, was der Schließfunktion zugute kommt. Die im wesentlichen porenlose Durchdringung des Holzwerkstoffes mit dem thermoplastischen Imprägniermittel macht die imprägnierten Holzlamellen außerdem unempfindlich gegenüber Witterungseinflüssen, so daß auch feuchtigkeitsbedingte Formänderungen der Holzlamellen ausgeschlossen werden können.The essentially non-porous impregnation of the wood slats with a thermoplastic impregnating agent first increases the strength of the impregnated wood slats, so that the slats can be made thinner compared to non-impregnated wood slats, which has an advantageous effect on the winding diameter of the wound on the winding shaft curtain. Despite the thinner wooden slats, the mutual overlap of the wood slats of the closed shutter and thus the burglary can be increased due to the higher strength properties, because the depth of the tongue and groove joint between the wood slats can be increased. Moreover, with the continuous impregnation of the wood lamellae, the weight loss caused by the reduced lamella thickness can be compensated, which benefits the closing function. The substantially non-porous interpenetration of the wood material with the thermoplastic impregnating the impregnated wood slats also insensitive to weather conditions, so that moisture-induced changes in shape of the wood slats can be excluded.

Das Imprägnieren von hölzernen Formteilen mit einem thermoplastischen Werkstoff, der die Holzstruktur im wesentlichen porenfrei durchdringt, ist zwar bekannt ( AT 404 106 B , EP 0 891 244 B1 , EP 1 260 331 A1 ), doch wird damit eine thermoplastische Umformung der Holzwerkstücke durch ein Prägen, Pressen oder Biegen angestrebt, was im Gegensatz zu der für Holzlamellen von Rolladenbehängen erforderlichen spanabhebenden Fertigung steht.The impregnation of wooden moldings with a thermoplastic material, which penetrates the wood structure substantially non-porous, is known ( AT 404 106 B . EP 0 891 244 B1 . EP 1 260 331 A1 ), but so that a thermoplastic deformation of the wood workpieces by embossing, pressing or bending is sought, which is in contrast to the necessary for wood slats of shutter blinds machining.

Obwohl es zur Herstellung der imprägnierten Holzlamellen durchaus möglich ist, die Holzlamellen aus einem mit einem thermoplastischen Imprägniermittel imprägnierten Vollholzwerkstoff spanabhebend zu fräsen, ergeben sich besonders vorteilhafte Herstellungsbedingungen, wenn die Holzlamellen erst nach ihrer spanabhebenden Profilierung mit einem thermoplastischen Imprägniermittel im wesentlichen porenlos imprägniert werden. In diesem Zusammenhang ist nämlich zu berücksichtigen, daß die Konzentration des thermoplastischen Imprägniermittels von der Oberfläche des Holzwerkstoffes gegen den Kernbereich hin zwangsläufig abnimmt, so daß bei einer Imprägnierung der bereits spanabhebend profilierten Holzlamellen sichergestellt wird, daß insbesondere die Oberflächenbereiche porenfrei mit dem thermoplastischen Imprägniermittel durchdrungen sind.Although it is quite possible for the production of impregnated wood slats to mill the wood slats of a impregnated with a thermoplastic impregnating solid wood material, particularly advantageous production conditions arise when the wood slats are impregnated without pores substantially after their machining profiling with a thermoplastic impregnating agent. In this context, it must be taken into account that the concentration of the thermoplastic impregnating agent inevitably decreases from the surface of the wood material towards the core region, so that impregnation of the wood chips already profiled to ensure that in particular the surface regions are pore-free penetrated by the thermoplastic impregnating agent ,

In der Zeichnung ist der Erfindungsgegenstand beispielsweise dargestellt, und zwar wird eine erfindungsgemäße Lamelle eines Behanges für einen Rolladen in einem Querschnitt gezeigt.In the drawing, the subject invention is illustrated, for example, and indeed a blade according to the invention of a curtain for a shutter in a cross section is shown.

Die Holzlamelle 1 eines nicht näher dargestellten Behanges für einen Rolladen ist aus einem Vollholz durch eine Fräsbearbeitung profiliert, so daß sich entlang der Längsränder einerseits ein gegen die anschließende, strichpunktiert angedeutete Holzlamelle 1 vorstehender Ansatz 2 und anderseits eine Nut 3 ergibt, in die bei geschlossenem Rolladen der Ansatz 2 der anschließenden Holzlamelle 1 als Feder formschlüssig eingreift. Nach der spanabhebenden Profilierung der Holzlamellen 1 werden diese mit einem thermoplastischen Imprägniermittel in an sich bekannter Weise imprägniert, wobei eine möglichst porenfreie Durchdringung des Holzwerkstoffes mit dem Imprägniermittel angestrebt wird. Diese Imprägnierung bringt eine Festigkeitssteigerung der Holzlamellen 1 mit sich, so daß die Dicke der imprägnierten Holzlamellen 1 im Vergleich zu herkömmlichen, strichliert angedeuteten Holzlamellen 4 erheblich verringert werden kann, ohne einen Festigkeitsverlust in Kauf nehmen zu müssen. Diese Festigkeitssteigerung erlaubt insbesondere eine Vertiefung der Nut 3, so daß die Überdeckung der nach Art einer Nut-Federverbindung ineinandergreifenden Holzlamellen 1 des geschlossenen Behanges und damit die Einbruchsicherheit vergrößert wird. Die Funktionssicherheit des Behanges bleibt ebenfalls erhalten, weil die Gewichtsverminderung aufgrund der verringerten Dicke der Holzlamellen 1 durch die Imprägnierung mit dem thermoplastischen Imprägniermittel ausgeglichen wird. Es zeigt sich somit, daß durch den Einsatz von mit einem thermoplastischen Imprägniermittel weitgehend porenfrei durchtränkten Holzlamellen 1 Rolläden sichergestellt werden können, die die Vorteile von Holzlamellen nützen, ohne deren Nachteile insbesondere hinsichtlich des Wickeldurchmessers in Kauf nehmen zu müssen.The wooden slat 1 of a blind not shown for a shutter is profiled from a solid wood by a milling, so that along the longitudinal edges on the one hand against the subsequent, dash-dotted lines indicated timber lamella 1 projecting approach 2 and on the other hand, a groove 3, in the closed Blinds approach 2 of the subsequent wooden slat 1 engages positively as a spring. After the cutting profiling of the wood slats 1 they are impregnated with a thermoplastic impregnating agent in a conventional manner, with a possible non-porous penetration of the wood material is sought with the impregnating agent. This impregnation brings an increase in strength of the wood slats 1 with it, so that the thickness of the impregnated wood slats 1 compared to conventional, dashed lines indicated wood slats 4 can be significantly reduced without having to take a loss of strength in purchasing. This increase in strength allows in particular a depression of the groove 3, so that the overlap of the interlocking in the manner of a tongue and groove joint wood slats 1 of the closed curtain and thus the burglary security is increased. The functional safety of the curtain remains are also obtained because the weight reduction due to the reduced thickness of the wood slats 1 is compensated by the impregnation with the thermoplastic impregnating agent. It thus turns out that roller shutters can be ensured by the use of largely impregnated with a thermoplastic impregnating impregnated wood lamella 1, which take advantage of wood slats, without having to accept their disadvantages, in particular with regard to the winding diameter in purchasing.

Claims (2)

  1. Roller shutters with a laterally guided curtain comprising wooden slats machined from solid wood which form grooves and tongues along their abutting longitudinal edges, characterised in that thermoplastic impregnating means are passed through the wooden slats (1) in an essentially pore-free way.
  2. Method for producing wooden slats for roller shutters according to claim 1, wherein the wooden slats are profiled from solid wood through machining, characterised in that the wooden slats are impregnated with thermoplastic impregnating means in an essentially pore-free way after being profiled through machining.
EP05450161A 2004-10-25 2005-10-05 Roller shutters Not-in-force EP1652642B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0180304A AT413732B (en) 2004-10-25 2004-10-25 SHUTTER

Publications (2)

Publication Number Publication Date
EP1652642A1 EP1652642A1 (en) 2006-05-03
EP1652642B1 true EP1652642B1 (en) 2007-12-05

Family

ID=34916846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05450161A Not-in-force EP1652642B1 (en) 2004-10-25 2005-10-05 Roller shutters

Country Status (4)

Country Link
EP (1) EP1652642B1 (en)
AT (2) AT413732B (en)
DE (1) DE502005002146D1 (en)
ES (1) ES2298991T3 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1950175A1 (en) * 1969-10-04 1971-04-08 Hermann Wieskoetter Treating wood with synthetic resin
IT1146799B (en) * 1981-10-06 1986-11-19 Danielis Spa ARTICULATED DAMPER
JPS63147602A (en) * 1986-12-11 1988-06-20 大倉工業株式会社 Manufacture of improved wood
AT404106B (en) 1996-04-01 1998-08-25 Markus Dipl Ing Rettenbacher Thermoplastically deformable moulded part based on a wood matrix in combination with a thermoplastic material
JP3418623B2 (en) 1996-04-01 2003-06-23 レッテンバッハー，マルクス Impregnated wood molded products
US6596063B2 (en) 2001-05-18 2003-07-22 Markus Rettenbacher Impregnated wood

Also Published As

Publication number Publication date
ATE380103T1 (en) 2007-12-15
ES2298991T3 (en) 2008-05-16
ATA18032004A (en) 2005-09-15
DE502005002146D1 (en) 2008-01-17
EP1652642A1 (en) 2006-05-03
AT413732B (en) 2006-05-15

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