EP0093827B1 - Device affording protection against insects for building openings and method for its manufacture - Google Patents

Device affording protection against insects for building openings and method for its manufacture Download PDF

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Publication number
EP0093827B1
EP0093827B1 EP19820890073 EP82890073A EP0093827B1 EP 0093827 B1 EP0093827 B1 EP 0093827B1 EP 19820890073 EP19820890073 EP 19820890073 EP 82890073 A EP82890073 A EP 82890073A EP 0093827 B1 EP0093827 B1 EP 0093827B1
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EP
European Patent Office
Prior art keywords
net
building
opening
protection against
against insects
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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
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EP19820890073
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German (de)
French (fr)
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EP0093827A1 (en
Inventor
Leopold Adler
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L & E Adler KG
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L & E Adler KG
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Publication date
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Priority to DE8282890073T priority Critical patent/DE3263236D1/en
Priority to EP19820890073 priority patent/EP0093827B1/en
Publication of EP0093827A1 publication Critical patent/EP0093827A1/en
Application granted granted Critical
Publication of EP0093827B1 publication Critical patent/EP0093827B1/en
Priority to HK66988A priority patent/HK66988A/en
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/52Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • E06B9/521Frameless fly screens; Tensioning means therefor
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26Lamellar or like blinds, e.g. venetian blinds
    • E06B9/262Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26Lamellar or like blinds, e.g. venetian blinds
    • E06B9/262Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
    • E06B2009/2625Pleated screens, e.g. concertina- or accordion-like

Definitions

  • the invention relates to an insect screen for building openings, in particular windows, with a flexible network made of weatherproof, rot-proof material that can be moved up and down in the manner of a blind in the building opening, and between a reciprocating fold-forming position in which the network the building opening is at least partially exposed, and an extended position, in which the network closes the building opening, can be moved up and down, and with a horizontal drop bar attached to the network.
  • the invention further relates to a method for producing such an insect screen.
  • FR-A-1 499 994 has disclosed an insect screen which can be lowered like a curtain in front of the building opening. To achieve a satisfactory seal against insects, the side edges of the curtain would have to be pressed tightly against the front wall of the building after it had been lowered and held in this position. This requires separate fasteners that are difficult to operate and are not always reliable.
  • the invention is now based on an insect screen of the type described at the outset, such as has become known from DE-C-147120, and has as its object to avoid the disadvantages of the known constructions described above and to provide an insect screen for building openings with which the building opening is sealed easily and reliably with little effort, this insect screen can be used universally.
  • the invention solves this problem in that the width of the undeformed network is greater than the clear width of the building opening, that the network is fixed in a harmonious manner by means of horizontal folded edges and that the side edges of the network are bent relative to the central part of the network between them and to the sections of the side faces of the building opening lying in the network plane and running transversely to the network plane resiliently lie, the drop bar being shorter than the width of the network.
  • the flexible network thanks to its harmonica-like fixed fold, allows the network to rub or rub against the side surfaces of the building opening with its side edges during up and down movement, without the up and down movement of the network when released or when Closure of the building opening excessive force is necessary.
  • the building opening In the closed position of the blind-like insect screen, the building opening is completely sealed without losing its air and light permeability.
  • the effort for the insect protection according to the invention is approximately the same as that of an ordinary blind and is therefore considerably less than in the known constructions described at the beginning.
  • the invention can be used for any building opening, as long as only the sections of the building opening side surfaces interacting with the side edges of the network are reasonably flat.
  • the flexible net adapts itself to slight bumps.
  • the insect protection according to the invention is independent of the adherence to precise dimensional tolerances, since within certain limits it does not matter if the side edges of the net are more or less bent on the sections of the seal when the net is moved up or down Side faces of the building opening, e.g. B. on the inner surfaces of the floor, as long as only the condition is met that the network side edge grazes on the section of the side surface of the building opening that cooperates with it and thus ensures the sealing effect. It is therefore sufficient to keep a certain standard width of the network to be used in stock for a certain width range of building openings to be closed, as a result of which expensive custom-made products can generally be avoided.
  • the drop bar favors the downward movement of the net due to its weight, so that no tension has to be exerted on the lower edge of the net during its downward movement.
  • the drop bar which is shorter than the net width, does not hinder the side net edges in their sealing effect and does not rub against the side edges of the floor surfaces or the like, but rather is guided approximately centrally between these two floor surfaces or the like by the two net side edges.
  • the harmonica-like fixation of the network has the consequence that it takes up very little space when folded, that is to say in the release position of the building opening, so that in this position the passage of light or air passes through the opening of the building is not or only slightly affected.
  • the fixation of the net in zigzag folds also ensures that the zigzag-like course of the net is retained even when the net is in use, e.g. B. by driving rain, gets wet.
  • the up and down movement of the network can be done in the manner of a blind.
  • blinds such as pull cords, belts, rolls with endless cords, crank drives, electric drives, etc.
  • These drive means are preferably only used for the pulling-up movement of the net, whereas the lowering by the weight of the drop bar is effected.
  • a particularly inexpensive embodiment exists within the scope of the invention if the middle part of the net has at least two spaced-apart openings between the two bent side edges and between two adjacent folded edges, through which pull cords are guided, which are on the lower edge of the net the drop bar are attached. These openings are useful from long slots, for. B.
  • the bottom section of the net is adjustable, for example by slotted perforated disks pushed onto the pull cords and held by a knot of the same , which hold several of the fixed folding edges of the net together, adjustable to the required height of the building opening.
  • This also has the advantage that the total length of the network can be adapted to the existing height of the building opening, so that the not fully extended, zigzag folded bottom power supply remains attached to the drop bar by means of the boundary formed by the perforated disks.
  • the construction can also be adapted to relatively widely varying heights of the building opening as required.
  • the slotted perforated disks used as a limitation can be designed in the manner of slotted washers.
  • a plastic-coated glass fiber fabric is particularly suitable as the net material.
  • the fixed folded edges can be introduced without difficulty to form the harmonica-like shape of the net.
  • the zigzag character of the network is maintained for a practically unlimited time, even if the network is arranged on the outside of the building and is therefore constantly exposed to rain and other weather influences.
  • the inventive method for producing the insect screen according to the invention consists in that the network consisting in particular of glass fibers with a substance fixing the net mesh, for. B. liquid plastic based on vinyl, coated and then fixed under heat and steam in zigzag folds.
  • the coating of the mesh mesh prevents the mesh mesh from enlarging and insects from being able to slip through, particularly at the folded edges.
  • Fig. 1 shows the by the Insect protection according to the invention, closed building opening in front view.
  • Fig. 2 is a section along the line 11-11 on a larger scale.
  • Fig. 3 is a section along the line 111-111 of Fig. 2.
  • Fig. 4 shows the upper edge of the building opening at the beginning of the downward movement of the network from its open position to the closed position.
  • Fig. 5 also shows the upper edge of the building opening, but towards the end of the elevator movement of the network. 6 shows a side view of a variant relating to the fixation of the lower edge of the net.
  • a building opening is to be closed insect-tight and yet permeable to light and air.
  • the building opening has a rectangular cross section which is delimited by the stick lights or wall lights which are delimited by two side surfaces 1, the lintel 2 and the parapet 3.
  • a head rail 4 is fastened to the lintel 2 or embedded in the lintel and carries a flexible network 5 made of weatherproof, rot-proof material, in particular of a glass fiber fabric.
  • This net 5 is placed in zigzag folds, the fold edges 6 of which are at a distance of about 40 mm from each other in the illustrated embodiment. In its extended position (FIG. 1), this network closes the building opening tightly.
  • the width B (FIG.
  • the net 5 grinds or grazes on the side faces 1 and lies tightly against these side faces 1, so that there is absolute tightness against flying insects.
  • the net 5 is connected to a drop bar 7, which can be attached to the parapet 3, for. B. by means of snaps, push buttons 8 or the like. This also avoids that the network 5, z. B. by the pressure of incoming wind or drafts, can move out of the building opening, whereby the tightness mentioned would be lost.
  • the net 5 can be in the building opening or within the window frame between a zigzag folded position (FIGS. 4 to 5), in which the net at least partially opens the building opening, and an extended position (FIG. 1), in which the net 5 closes the building opening, are moved back and forth, for which purpose two or more pull cords 9 are provided in the region of the side edges of the network 5, the lower ends of which are fastened to the drop bar 7 and which are connected at the top by the head rail 4 in a manner known per se common traction element 10 (Fig. 4, 5) are guided, which can be locked in any known manner in the drawn, zigzag folded position of the network 5.
  • the net 5 can be lowered due to its own weight and the influence of the weight of the drop bar 7 in the direction of arrow 12 (FIG. 4), the lateral longitudinal edges 11 of the net 5 bending upwards as a result of the frictional adhesion on the side surfaces 1 (Fig. 4), which is made possible by the elastic flexibility of the net 5.
  • the lateral longitudinal edges 11 of the net 5 bend downward and grind on the side faces 1.
  • the fall bar 7 is shorter than the clear width b of the building opening, which also enables the network to be adapted to the required width of the building opening.
  • These openings 14 are each provided in the number corresponding to the number of pull cords 9 between each two adjacent folding edges 6 of the net 5 and dimensioned such that the pull cords 9 pass through as closely as possible so that insects cannot pass through the remaining gap.
  • the zigzag folded net 5 like a blind should also be designed so that it can be used universally for the widest possible height range of the building opening.
  • the excess length of the net 5 formed by the lower part 15 (FIG. 6) in the extended position of the net 5 is prevented from unfolding by the fact that this net part 15 is held on the drop bar 7 by limitations. These limits are formed by slotted perforated disks 16 which are pushed onto the pull cords 9 and held by knots 17 of the pull cords 9.
  • the net 5 consists of a glass fiber fabric that has fixed folded edges.
  • the glass fiber network is coated with a substance that fixes the mesh, in particular liquid vinyl plastic, and then fixed like a pleat under the action of heat and steam.

Description

Die Erfindung bezieht sich auf einen Insektenschutz für Gebäudeöffnungen, insbesondere Fenster, mit einem biegsamen Netz aus wetterfestem, verrottungsfestem Material, das nach Art einer Jalousie in der Gebäudeöffnung auf- und abbewegbar, und zwischen einer hin-und hergehend faltenbildenden Stellung, in der das Netz die Gebäudeöffnung zumindest teilweise freigibt, und einer gestreckten Stellung, in der das Netz die Gebäudeöffnung abschließt, -auf-und abbewegbar ist, und mit einer am Netz befestigten horizontalen Fallstange. Ferner bezieht sich die Erfindung auf ein Verfahren zur Herstellung eines solchen Insektenschutzes.The invention relates to an insect screen for building openings, in particular windows, with a flexible network made of weatherproof, rot-proof material that can be moved up and down in the manner of a blind in the building opening, and between a reciprocating fold-forming position in which the network the building opening is at least partially exposed, and an extended position, in which the network closes the building opening, can be moved up and down, and with a horizontal drop bar attached to the network. The invention further relates to a method for producing such an insect screen.

Zur Abdichtung von Gebäudeöffnungen, insbesondere Fenstern, gegen einfliegende Insekten, wie Fliegen, Stechmücken, Wespen usw., ist es bekannt, die Gebäudeöffnung mit einem Netz zu verschließen. Zumeist ist dieses Netz an einem starren Rahmen befestigt, der vor der Gebäudeöffnung angebracht werden kann. Ein derartiger Insektenschutz ist bei entsprechend sorgfältiger Montage zwar wirksam, jedoch nicht überall problemlos anwendbar, z. B. dort nicht, wo die Gebäudeöffnung schwer zugänglich ist oder ihre Außenfläche profiliert ist, z. B. durch Wetterschenkel, Gesimse usw.To seal building openings, in particular windows, against flying insects, such as flies, mosquitoes, wasps, etc., it is known to close the building opening with a net. This network is usually attached to a rigid frame that can be attached in front of the building opening. Such insect protection is effective with appropriate careful assembly, but not applicable everywhere without problems, e.g. B. not where the building opening is difficult to access or its outer surface is profiled, e.g. B. by weatherboard, cornices, etc.

Aus der FR-A-1 499 994 ist ein Insektenschutz bekannt geworden, der nach Art eines Vorhanges vor der Gebäudeöffnung heruntergelassen werden kann. Zur Erzielung einer befriedigenden Dichtung gegen Insekten müßten die Seitenränder des Vorhanges nach dem Herunterlassen desselben dichtend an die Gebäudefrontwand angedrückt und in dieser Lage gehalten werden. Hierzu sind gesonderte Befestigungsmittel erforderlich, die in ihrer Bedienung hinderlich und nicht immer zuverlässig sind.FR-A-1 499 994 has disclosed an insect screen which can be lowered like a curtain in front of the building opening. To achieve a satisfactory seal against insects, the side edges of the curtain would have to be pressed tightly against the front wall of the building after it had been lowered and held in this position. This requires separate fasteners that are difficult to operate and are not always reliable.

Es wurde auch versucht, einen Insektenschutz nach Art eines Rollvorhanges auszubilden, der im aufgerollten Zustand in einem am Fenstersturz befestigten Einbaukasten Platz findet und in die Gebäudeöffnung an zu beiden Seiten angebrachten Schienenführungen abdichtend heruntergezogen werden kann. Eine solche Ausführung ist mit einem verhältnismäßig hohen Kostenaufwand verbunden. Eine ähnliche Konstruktion ist auch aus der FR-A-1 574013 bekannt geworden, wobei die Seitenränder des Netzes mittels an ihnen befestigter metallischer Gleitknöpfe in in der Gebäudeöffnung befestigten, im wesentlichen U-förmigen Führungsschienen geführt sind, wobei die Netzränder in die Öffnung des U-Profils eingreifen. Diese Konstruktion ist aufwendig und gewährleistet zwischen den Gleitknöpfen immer noch Restspalte, durch die Insekten hindurchschlüpfen können. Außerdem behindern die Gleitknöpfe eine enge Zusammenlegung des Netzes in seiner Offenstellung, so daß im aufgezogenen, zusammengelegten Zustand des Netzes dieses ein voluminöses Paket bildet, das den Lichteinfall durch die Gebäudeöffnung beeinträchtigt.Attempts have also been made to design an insect screen in the manner of a rolling curtain, which, when rolled up, can be stored in a built-in box attached to the lintel and can be pulled down sealingly into the building opening on rail guides on both sides. Such an implementation is associated with a relatively high cost. A similar construction has also become known from FR-A-1 574013, the side edges of the net being guided by means of metallic sliding buttons fastened to them in essentially U-shaped guide rails fastened in the building opening, the net edges being guided into the opening of the U - Intervene profiles. This construction is complex and still ensures that there are residual gaps between the sliding buttons through which insects can slip. In addition, the slide buttons hinder a tight collapse of the net in its open position, so that when the net is pulled up, it forms a voluminous package which interferes with the incidence of light through the opening of the building.

Die Erfindung geht nun aus von einem Insektenschutz der eingangs geschilderten Art, wie ein solcher durch die DE-C-147120 bekanntgeworden ist und setzt sich zur Aufgabe, die Nachteile der vorstehend beschriebenen bekannten Konstruktionen zu vermeiden und einen Insektenschutz für Gebäudeöffnungen zu schaffen, mit welchem die Gebäudeöffnung bei geringem Aufwand einfach und verläßlich abgedichtet wird, wobei dieser Insektenschutz universell einsetzbar ist. Die Erfindung löst diese Aufgabe dadurch, daß die Breite des unverformten Netzes größer ist als die lichte Breite der Gebäudeöffnung, daß das Netz durch horizontale Faltkanten harmonikaartig fixiert ist und daß die Seitenränder des Netzes gegenüber dem zwischen ihnen liegenden Mittelteil des Netzes abgebogen sind und an den in der Netzebene liegenden, quer zur Netzebene verlaufenden Abschnitten der Seitenflächen der Gebäudeöffnung elastisch anliegen, wobei die Fallstange kürzer ist als die Breite des Netzes. Das biegsame Netz ermöglicht durch seine harmonikaartig fixierte Faltung, daß das Netz mit seinen Seitenrändern bei der Auf- und Abbewegung an den Seitenflächen der Gebäudeöffnung streift bzw. schleifend anliegt, ohne daß für die Auf- bzw. Abbewegung des Netzes bei der Freigabe bzw. beim Verschluß der Gebäudeöffnung übermäßiger Kraftaufwand notwendig ist. In der Verschlußstellung des jalousieartigen Insektenschutzes ergibt sich eine vollkommene Abdichtung der Gebäudeöffnung, ohne daß die Luft- und Lichtdurchlässigkeit verloren geht. Der Aufwand für den erfindungsgemäßen Insektenschutz ist etwa gleich einem einer gewöhnlichen Jalousie und daher wesentlich geringer als bei den eingangs beschriebenen bekannten Konstruktionen. Ferner ist die Erfindung für jedwede Gebäudeöffnung anwendbar, solange nur die mit den Seitenrändern des Netzes zusammenwirkenden Abschnitte der Gebäudeöffnungsseitenflächen einigermaßen eben sind. Geringen Unebenheiten paßt sich das biegsame Netz elastisch an. Dadurch wird auch der Vorteil erzielt, daß der erfindungsgemäße Insektenschutz unabhängig ist von der Einhaltung genauer Maßtoleranzen, da es innerhalb gewisser Grenzen nichts ausmacht, wenn die Seitenränder des Netzes bei der Auf- bzw. Abbewegung des Netzes mehr oder weniger abgebogen an den abzudichtenden Abschnitten der Seitenflächen der Gebäudeöffnung, z. B. an den Stockinnenflächen, anliegen, solange nur die Bedingung gewahrt bleibt, daß der Netzseitenrand an mit ihm zusammenwirkenden Abschnitt der Seitenfläche der Gebäudeöffnung streift und damit die Dichtwirkung sichert. Es genügt daher, für einen bestimmten Breitenbereich zu verschließender Gebäudeöffnungen eine gewisse Normbreite des zu verwendenden Netzes auf Lager zu halten, wodurch teure Maßanfertigungen im allgemeinen vermeidbar sind.The invention is now based on an insect screen of the type described at the outset, such as has become known from DE-C-147120, and has as its object to avoid the disadvantages of the known constructions described above and to provide an insect screen for building openings with which the building opening is sealed easily and reliably with little effort, this insect screen can be used universally. The invention solves this problem in that the width of the undeformed network is greater than the clear width of the building opening, that the network is fixed in a harmonious manner by means of horizontal folded edges and that the side edges of the network are bent relative to the central part of the network between them and to the sections of the side faces of the building opening lying in the network plane and running transversely to the network plane resiliently lie, the drop bar being shorter than the width of the network. The flexible network, thanks to its harmonica-like fixed fold, allows the network to rub or rub against the side surfaces of the building opening with its side edges during up and down movement, without the up and down movement of the network when released or when Closure of the building opening excessive force is necessary. In the closed position of the blind-like insect screen, the building opening is completely sealed without losing its air and light permeability. The effort for the insect protection according to the invention is approximately the same as that of an ordinary blind and is therefore considerably less than in the known constructions described at the beginning. Furthermore, the invention can be used for any building opening, as long as only the sections of the building opening side surfaces interacting with the side edges of the network are reasonably flat. The flexible net adapts itself to slight bumps. This also has the advantage that the insect protection according to the invention is independent of the adherence to precise dimensional tolerances, since within certain limits it does not matter if the side edges of the net are more or less bent on the sections of the seal when the net is moved up or down Side faces of the building opening, e.g. B. on the inner surfaces of the floor, as long as only the condition is met that the network side edge grazes on the section of the side surface of the building opening that cooperates with it and thus ensures the sealing effect. It is therefore sufficient to keep a certain standard width of the network to be used in stock for a certain width range of building openings to be closed, as a result of which expensive custom-made products can generally be avoided.

Die Fallstange begünstigt in an sich bekannter Weise durch ihr Gewicht die Abwärtsbewegung des Netzes, so daß auf den Netzunterrand bei seiner Abwärtsbewegung kein Zug ausgeübt werden muß. Die kürzer als die Netzbreite bemessene Fallstange behindert die seitlichen Netzränder in ihrer Dichtwirkung nicht und schleift auch nicht an den Seitenrändern der Stockflächen od. dgl., vielmehr wird sie durch die beiden Netzseitenränder annähernd mittig zwischen diesen beiden Stockflächen od. dgl. geführt.In a manner known per se, the drop bar favors the downward movement of the net due to its weight, so that no tension has to be exerted on the lower edge of the net during its downward movement. The drop bar, which is shorter than the net width, does not hinder the side net edges in their sealing effect and does not rub against the side edges of the floor surfaces or the like, but rather is guided approximately centrally between these two floor surfaces or the like by the two net side edges.

Ein weiterer Vorteil des erfindungsgemäßen Insektenschutzes liegt darin, daß die harmonikaartige Fixierung des Netzes zur Folge hat, daß es im zusammengelegten Zustand, also in der Freigabestellung der Gebäudeöffnung, nur sehr wenig Platz einnimmt, so daß in dieser Stellung der Licht- bzw. Luftdurchgang durch die Gebäudeöffnung nicht oder nur unwesentlich beeinträchtigt wird. Die Fixierung des Netzes in Zickzackfalten sichert auch, das der zickzackartige Verlauf des Netzes auch dann erhalten bleibt, wenn das Netz im Gebrauch, z. B. durch Schlagregen, einmal naß wird.Another advantage of the insect protection according to the invention is that the harmonica-like fixation of the network has the consequence that it takes up very little space when folded, that is to say in the release position of the building opening, so that in this position the passage of light or air passes through the opening of the building is not or only slightly affected. The fixation of the net in zigzag folds also ensures that the zigzag-like course of the net is retained even when the net is in use, e.g. B. by driving rain, gets wet.

Vor allem aber wird eine einwandfreie Abdichtung der Gebäudeöffnung gegen fliegende und kriechende Insekten erzielt, da keine Restspalte zwischen den Seitenrändern des Netzes und den ihnen benachbarten Abschnitten der Seitenflächen der Gebäudeöffnung mehr vorhanden sind.Above all, however, a perfect seal of the building opening against flying and crawling insects is achieved since there are no residual gaps between the side edges of the net and the adjacent sections of the side faces of the building opening.

Wie bereits erwähnt, kann die Auf- und Abbewegung des Netzes nach Art einer Jalousie erfolgen. Damit ist es möglich, die für Jalousien an sich bekannten Bewegungsmittel hierfür einzusetzen, etwa Zugschnüre, Gurte, Rollen mit Endlosschnüren, Kurbelantriebe, elektrische Antriebe usw. Vorzugsweise werden diese Antriebsmittel nur für die Hochziehbewegung des Netzes eingesetzt, wogegen das Absenken durch das Gewicht der Fallstange bewirkt wird. Eine besonders gün: stige Ausführungsform besteht im Rahmen der Erfindung dann, wenn der Mittelteil des Netzes zwischen den beiden abgebogenen Seitenrändern und zwischen je zwei benachbarten Faltkanten zumindest zwei in Abstand voneinander angeordnete Öffnungen hat, durch die Zugschnüre hindurchgeführt sind, die am Unterrand des Netzes an der Fallstange befestigt sind. Diese Öffnungen sind zweckmäßig von Langschlitzen, z. B. mit einer Länge von 5 mm, gebildet, deren Längsrichtung von oben nach unten gerichtet ist. Bei sinnvoller Bemessung der Größe dieser Langschlitze wird verhindert, daß Insekten durch diese Öffnungen hindurchtreten können, wobei zu berücksichtigen ist, daß der Öffnungsquerschnitt durch die hindurchtretende Zugschnur im wesentlichen ausgefüllt wird, so daß der verbleibende Öffnungsquerschnitt für ein Insekt zu klein ist. Da diese Öffnungen und somit die in ihnen geführten Zugschnüre zwischen den beiden abgebogenen Netzseitenrändern liegen, wird weder diese Abbiegung durch die Zugschnüre behindert, noch die Zugschnurfunktion durch die Abbiegung.As already mentioned, the up and down movement of the network can be done in the manner of a blind. This makes it possible to use the means of movement known per se for blinds, such as pull cords, belts, rolls with endless cords, crank drives, electric drives, etc. These drive means are preferably only used for the pulling-up movement of the net, whereas the lowering by the weight of the drop bar is effected. A particularly inexpensive embodiment exists within the scope of the invention if the middle part of the net has at least two spaced-apart openings between the two bent side edges and between two adjacent folded edges, through which pull cords are guided, which are on the lower edge of the net the drop bar are attached. These openings are useful from long slots, for. B. with a length of 5 mm, the longitudinal direction of which is directed from top to bottom. If the size of these elongated slots is sensibly dimensioned, it is prevented that insects can pass through these openings, whereby it must be taken into account that the opening cross-section is essentially filled by the pull cord which passes through, so that the remaining opening cross-section is too small for an insect. Since these openings and thus the pull cords guided in them lie between the two bent network side edges, neither this turn is impeded by the pull cords nor the pull cord function by the turn.

Um zu vermeiden, daß das Netz durch Windeinfluß pendelt und damit die Dichtwirkung an den Netzseitenrändern beeinträchtigt wird, ist gemäß einer Weiterbildung der Erfindung der unterste Abschnitt des Netzes durch eine verstellbare Begrenzung, beispielsweise durch auf die Zugschnüre aufgeschobene und durch einen Knoten derselben gehaltene geschlitzte Lochscheiben, die mehrere der fixierten Faltkanten des Netzes zusammenhalten, auf die erforderliche aufziehbare Höhe der Gebäudeöffnung einstellbar. Dadurch wird auch der Vorteil erzielt, daß die Gesamtlänge des Netzes an die jeweils vorhandene Höhe der Gebäudeöffnung anpaßbar ist, so daß der nicht vollständig ausgezogene, zickzackförmig zusammengefaltete unterste Netzteil mittels der durch die Lochscheiben gebildeten Begrenzung an der Fallstange befestigt bleibt. Dadurch wird die Konstruktion auch an verhältnismäßig stark variierende Höhen der Gebäudeöffnung nach Bedarf anpaßbar. Die als Begrenzung verwendeten geschlitzten Lochscheiben können nach Art von geschlitzten Beilagscheiben ausgebildet sein.In order to avoid that the net oscillates due to the influence of wind and thus the sealing effect on the side edges of the net is impaired, according to a further development of the invention, the bottom section of the net is adjustable, for example by slotted perforated disks pushed onto the pull cords and held by a knot of the same , which hold several of the fixed folding edges of the net together, adjustable to the required height of the building opening. This also has the advantage that the total length of the network can be adapted to the existing height of the building opening, so that the not fully extended, zigzag folded bottom power supply remains attached to the drop bar by means of the boundary formed by the perforated disks. As a result, the construction can also be adapted to relatively widely varying heights of the building opening as required. The slotted perforated disks used as a limitation can be designed in the manner of slotted washers.

Wenn im Rahmen der Erfindung an der Unterseite der Fallstange Haftorgane, wie Schnapper, Druckknöpfe od. dgl. zur Befestigung am Unterrand der Gebäudeöffnung, z. B. am Fensterparapet, vorgesehen sind, wird eine Sicherung gegen Wind und Sturm geschaffen, so daß der untere Netzrand sowie die Fallstange nicht auspendeln kann.If within the scope of the invention on the underside of the drop bar adhesive organs, such as snappers, push buttons or the like. For attachment to the lower edge of the building opening, for. B. are provided on the window parapet, a protection against wind and storm is created so that the lower edge of the network and the drop bar can not swing out.

Als Netzmaterial eignet sich insbesondere ein kunststoffbeschichtetes Glasfasergewebe. In ein solches können die fixierten Faltkanten zur Ausbildung der harmonikaartigen Form des Netzes ohne Schwierigkeiten eingebracht werden. Dadurch wird der Zickzackcharakter des Netzes für praktisch unbegrenzte Zeit aufrechterhalten, auch wenn das Netz an der Gebäudeaußenseite angeordnet und daher Regen und anderen Witterungseinflüssen ständig ausgesetzt ist.A plastic-coated glass fiber fabric is particularly suitable as the net material. In such a way, the fixed folded edges can be introduced without difficulty to form the harmonica-like shape of the net. As a result, the zigzag character of the network is maintained for a practically unlimited time, even if the network is arranged on the outside of the building and is therefore constantly exposed to rain and other weather influences.

Das erfindungsgemäße Verfahren zur Herstellung des erfindungsgemäßen Insektenschutzes besteht darin, daß das insbesondere aus Glasfasern bestehende Netz mit einer die Netzmaschen fixierenden Substanz, z. B. flüssigem Kunststoff auf Vinylbasis, beschichtet und sodann unter Wärme- und Dampfeinwirkung in Zickzackfalten fixiert wird. Dadurch wird ein Netz geschaffen, das sich problemlos auf eine im wesentlichen gestreckte Stellung ausziehen läßt, jedoch nach Aufhören der die Streckung bewirkenden Kraft von selbst wieder in eine leicht zickzackförmig geformte Gestalt zurückkehrt und sich daher durch Aufziehen nach Art einer Jalousie zickzackartig zusammenlegt. Durch die Beschichtung der Netzmaschen wird verhindert, daß sich, insbesondere an den Faltkanten, die Netzmaschen vergrößern und Insekten hindurchschlüpfen können.The inventive method for producing the insect screen according to the invention consists in that the network consisting in particular of glass fibers with a substance fixing the net mesh, for. B. liquid plastic based on vinyl, coated and then fixed under heat and steam in zigzag folds. This creates a network that can be easily extended to a substantially extended position, but after the force causing the stretching stops automatically returning to a slightly zigzag shape and therefore collapses like a blind in a zigzag manner. The coating of the mesh mesh prevents the mesh mesh from enlarging and insects from being able to slip through, particularly at the folded edges.

In der Zeichnung ist der Erfindungsgegenstand an Hand eines Ausführungsbeispieles schematisch dargestellt. Fig. 1 zeigt die durch den erfindungsgemäßen Insektenschutz verschlossene Gebäudeöffnung in Frontansicht. Fig. 2 ist ein Schnitt nach der Linie 11-11 in größerem Maßstab. Fig. 3 ist ein Schnitt nach der Linie 111-111 der Fig. 2. Die Fig. 4 zeigt den Oberrand der Gebäudeöffnung am Beginn der Abwärtsbewegung des Netzes von seiner aufgezogenen Stellung in die Verschlußstellung. Fig. 5 zeigt ebenfalls den Oberrand der Gebäudeöffnung, jedoch gegen Ende der Aufzugbewegung des Netzes. Fig. 6 zeigt eine die Fixierung des unteren Netzrandes betreffende Variante in Seitenansicht.In the drawing, the subject of the invention is shown schematically using an exemplary embodiment. Fig. 1 shows the by the Insect protection according to the invention, closed building opening in front view. Fig. 2 is a section along the line 11-11 on a larger scale. Fig. 3 is a section along the line 111-111 of Fig. 2. Fig. 4 shows the upper edge of the building opening at the beginning of the downward movement of the network from its open position to the closed position. Fig. 5 also shows the upper edge of the building opening, but towards the end of the elevator movement of the network. 6 shows a side view of a variant relating to the fixation of the lower edge of the net.

Gemäß dem Ausführungsbeispiel der Zeichnung soll eine Gebäudeöffnung insektendicht und dennoch licht- und luftdurchlässig verschlossen werden. Die Gebäudeöffnung hat rechteckigen Querschnitt, der von der Stocklichte bzw. Mauerlichte begrenzt ist, die von zwei Seitenflächen 1, dem Fenstersturz 2 und dem Parapet 3 begrenzt wird. Am Fenstersturz 2 ist eine Kopfschiene 4 befestigt oder in den Fenstersturz eingelassen, die ein biegsames Netz 5 aus wetterfestem, verrottungsfestem Material, insbesondere aus einem Glasfasergewebe trägt. Dieses Netz 5 ist zickzackartig in Falten gelegt, deren Faltkanten 6 voneinander beim dargestellten Ausführungsbeispiel einen Abstand von etwa 40 mm aufweisen. Dieses Netz schließt in seiner gestreckten Stellung (Fig. 1) die Gebäudeöffnung dicht ab. Hierzu ist die Breite B (Fig. 1) des Netzes 5 geringfügig größer als die Breite b (lichte Breite) der Gebäudeöffnung, also der Abstand der beiden Seitenflächen 1 des Fensterrahmens bzw. der Mauerlichte voneinander. Dadurch schleift bzw. streift das Netz 5 an den Seitenflächen 1 und liegt an diesen Seitenflächen 1 dicht an, so daß sich eine absolute Dichtheit gegen einfliegende Insekten ergibt. An seinem Unterrand ist das Netz 5 mit einer Fallstange 7 verbunden, die am Parapet 3 befestigbar ist, z. B. mittels Schnappern, Druckknöpfen 8 od. dgl. Dadurch wird auch vermieden, daß sich das Netz 5, z. B. durch den Druck einfallenden Windes oder durch Zugluft, aus der Gebäudeöffnung herausbewegen kann, wodurch die erwähnte Dichtheit verloren ginge.According to the exemplary embodiment of the drawing, a building opening is to be closed insect-tight and yet permeable to light and air. The building opening has a rectangular cross section which is delimited by the stick lights or wall lights which are delimited by two side surfaces 1, the lintel 2 and the parapet 3. A head rail 4 is fastened to the lintel 2 or embedded in the lintel and carries a flexible network 5 made of weatherproof, rot-proof material, in particular of a glass fiber fabric. This net 5 is placed in zigzag folds, the fold edges 6 of which are at a distance of about 40 mm from each other in the illustrated embodiment. In its extended position (FIG. 1), this network closes the building opening tightly. For this purpose, the width B (FIG. 1) of the network 5 is slightly larger than the width b (clear width) of the building opening, that is to say the distance between the two side surfaces 1 of the window frame or the wall lights from one another. As a result, the net 5 grinds or grazes on the side faces 1 and lies tightly against these side faces 1, so that there is absolute tightness against flying insects. At its lower edge, the net 5 is connected to a drop bar 7, which can be attached to the parapet 3, for. B. by means of snaps, push buttons 8 or the like. This also avoids that the network 5, z. B. by the pressure of incoming wind or drafts, can move out of the building opening, whereby the tightness mentioned would be lost.

Das Netz 5 kann in der Gebäudeöffnung bzw. innerhalb des Fensterrahmens zwischen einer zickzackförmig zusammengefalteten Stellung (Fig. 4 bis 5), in der das Netz die Gebäudeöffnung zumindest teilweise freigibt, und einer gestreckten Stellung (Fig. 1), in der das Netz 5 die Gebäudeöffnung abschließt, hin- und herbewegt werden, wozu zwei oder mehrere im Bereich der Seitenränder des Netzes 5 angeordnete Zugschnüre 9 vorgesehen sind, deren untere Enden an der Fallstange 7 befestigt sind und die oben durch die Kopfschiene 4 in an sich bekannter Weise zu einem gemeinsamen Zugorgan 10 (Fig. 4, 5) geführt sind, das in beliebiger an sich bekannter Weise in der aufgezogenen, zickzackartig zusammengefalteten Stellung des Netzes 5 arretierbar ist. Aus dieser Stellung kann das Netz 5 durch sein Eigengewicht und den Einfluß des Gewichtes der Fallstange 7 in Richtung des Pfeiles 12 (Fig. 4) abgelassen werden, wobei die seitlichen Längsränder 11 des Netzes 5 sich infolge der Reibungshaftung an den Seitenflächen 1 nach oben umbiegen (Fig. 4), was durch die elastische Biegsamkeit des Netzes 5 ermöglicht wird. Beim Hochziehen des Netzes 5 aus der gestreckten Stellung in die zickzackartig zusammengefaltete Freigabestellung in Richtung des Pfeiles 13 der Fig. 5 biegen sich die seitlichen Längsränder 11 des Netzes 5 nach unten um und schleifen an den Seitenflächen 1. Um zu vermeiden, daß bei den erwähnten Bewegungen die Fallstange 7 an den Seitenflächen 1 der Gebäudeöffnung schleift, ist die Fallstange 7 kürzer als die lichte Breite b der Gebäudeöffnung, wodurch auch ermöglicht wird, daß das Netz auf die erforderliche Breite der Gebäudeöffnung angepaßt werden kann.The net 5 can be in the building opening or within the window frame between a zigzag folded position (FIGS. 4 to 5), in which the net at least partially opens the building opening, and an extended position (FIG. 1), in which the net 5 closes the building opening, are moved back and forth, for which purpose two or more pull cords 9 are provided in the region of the side edges of the network 5, the lower ends of which are fastened to the drop bar 7 and which are connected at the top by the head rail 4 in a manner known per se common traction element 10 (Fig. 4, 5) are guided, which can be locked in any known manner in the drawn, zigzag folded position of the network 5. From this position, the net 5 can be lowered due to its own weight and the influence of the weight of the drop bar 7 in the direction of arrow 12 (FIG. 4), the lateral longitudinal edges 11 of the net 5 bending upwards as a result of the frictional adhesion on the side surfaces 1 (Fig. 4), which is made possible by the elastic flexibility of the net 5. When pulling up the net 5 from the extended position into the release position folded in a zigzag in the direction of arrow 13 in FIG. 5, the lateral longitudinal edges 11 of the net 5 bend downward and grind on the side faces 1. In order to avoid that in the case of the mentioned Movements the fall bar 7 on the side surfaces 1 of the building opening, the fall bar 7 is shorter than the clear width b of the building opening, which also enables the network to be adapted to the required width of the building opening.

Die Zugschnüre 9, vorzugsweise aus Terylene, durchsetzen Öffnungen 14 des Netzes 5, die von Langschlitzen mit einer Länge von etwa 5 mm gebildet sind, deren Längsseite (gesehen in der gestreckten Stellung des Netzes 5, Fig. 1) von oben nach unten gerichtet ist. Diese Öffnungen 14 sind jeweils in der der Anzahl der Zugschnüre 9 entsprechenden Anzahl zwischen je zwei benachbarten Faltkanten 6 des Netzes 5 vorgesehen und so bemessen, daß die Zugschnüre 9 möglichst eng hindurchtreten, so daß durch den verbleibenden Spalt Insekten nicht hindurchtreten können.The pull cords 9, preferably made of terylene, pass through openings 14 of the net 5, which are formed by elongated slots with a length of approximately 5 mm, the long side of which (seen in the extended position of the net 5, FIG. 1) is directed from top to bottom . These openings 14 are each provided in the number corresponding to the number of pull cords 9 between each two adjacent folding edges 6 of the net 5 and dimensioned such that the pull cords 9 pass through as closely as possible so that insects cannot pass through the remaining gap.

Das zickzackförmig gefaltete Netz 5 nach Art einer Jalousie soll auch so ausgebildet sein, daß es für einen möglichst weiten Höhenbereich der Gebäudeöffnung universell einsetzbar ist. Hierzu wird die vom unteren Teil 15 (Fig. 6) gebildete Überlänge des Netzes 5 in der gestreckten Stellung des Netzes 5 dadurch an der Entfaltung behindert, daß dieser Netzteil 15 durch Begrenzungen an der Fallstange 7 festgehalten wird. Diese Begrenzungen sind von geschlitzten Lochscheiben 16 gebildet, die auf die Zugschnüre 9 aufgeschoben und durch Knoten 17 der Zugschnüre 9 gehalten sind.The zigzag folded net 5 like a blind should also be designed so that it can be used universally for the widest possible height range of the building opening. For this purpose, the excess length of the net 5 formed by the lower part 15 (FIG. 6) in the extended position of the net 5 is prevented from unfolding by the fact that this net part 15 is held on the drop bar 7 by limitations. These limits are formed by slotted perforated disks 16 which are pushed onto the pull cords 9 and held by knots 17 of the pull cords 9.

Das Netz 5 besteht aus einem Glasfasergewebe, das fixierte Faltkanten hat. Hierzu wird das Glasfasernetz mit einer die Netzmaschen fixierenden Substanz, insbesondere flüssigem Vinylkunststoff, beschichtet und sodann unter Wärme- und Dampfeinwirkung plisseeartig fixiert.The net 5 consists of a glass fiber fabric that has fixed folded edges. For this purpose, the glass fiber network is coated with a substance that fixes the mesh, in particular liquid vinyl plastic, and then fixed like a pleat under the action of heat and steam.

Claims (7)

1. Device affording protection against insects for building openings, particularly windows, comprising a flexible net (5) of weather resistant, corrosion-resistant material movable up and down in the opening of the building in the manner of a jalousie and movable up and down between a zig-zag folded position in which the net at least partially exposes the opening of the building, and a stretched position in which the net closes the opening of the building, and a horizontal stabilizing rod (7) attached to the net, characterized in that the width (B) of the net (5) in non-deformed condition is greater than the width (b) of the opening of the building, that the net (5) is fixed in the manner of an accordion by horizontal folding edges (6) and that the lateral edges (11) of the net (5) are bent with respect to the middle portion of the net (5) arranged between the lateral edges resiliently contacting the portions of the side surfaces (1) of the opening of the building lying in the plane of the net and extending perpendicularly to the plane of the net, the stabilizing rod (7) being shorter than the width (B) of the net (5).
2. Device affording protection against insects according to claim 1, characterized in that between the two lateral edges (11) and between two neighbouring folding edges (6) each, the middle portion of the net (5) is provided with at least two openings (14) spaced apart from each other, traction cords (9) extending through the openings, which cords are connected to the lower margin of the net at the stabilizing rod (7).
3. Device affording protection against insects according to claim 2, characterized in that the openings (14) are elongated slots, for example having a length of 5 mm, the longitudinal direction of which extends from above to below.
4. Device affording protection against insects according to claim 2, characterized in that the lower most portion of the net (5) can be adjusted to the necessary lifting height of the opening of the building by an adjustable limitation, for example by slotted punched discs (16) shifted onto the traction cords (9) and fixed by a knot (17) thereof and securing together a plurality of the-fixed folding edges of the net (5).
5. Device affording protection against insects according to any one of claims 1 to 4, characterized in that the net (5) is formed by a glass fibre fabric coated with synthetic plastics material.
6. Device affording protection against insects according to any one of claims 1 to 5, characterized in that on the bottom side of the stabilizing rod (7) adhering means, as catches, snaps (8) or the like are provided for fixing to the lower edge of the opening of the building, for example to the parapet (3) of the window.
7. Method for manufacture of a device affording protection against insects according to any one of claims 1 to 6, characterized in that the net, consisting particularly of glass fibres, is coated with a compound fixing the net meshes, for example with a liquid synthetic vinyl-based plastics material, and is then fixed in zig-zag folds by the action of heat and steam.
EP19820890073 1982-05-10 1982-05-10 Device affording protection against insects for building openings and method for its manufacture Expired EP0093827B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE8282890073T DE3263236D1 (en) 1982-05-10 1982-05-10 Device affording protection against insects for building openings and method for its manufacture
EP19820890073 EP0093827B1 (en) 1982-05-10 1982-05-10 Device affording protection against insects for building openings and method for its manufacture
HK66988A HK66988A (en) 1982-05-10 1988-08-25 Device affording protection against insects for building openings and method for its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19820890073 EP0093827B1 (en) 1982-05-10 1982-05-10 Device affording protection against insects for building openings and method for its manufacture

Publications (2)

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EP0093827A1 EP0093827A1 (en) 1983-11-16
EP0093827B1 true EP0093827B1 (en) 1985-04-24

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EP19820890073 Expired EP0093827B1 (en) 1982-05-10 1982-05-10 Device affording protection against insects for building openings and method for its manufacture

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EP (1) EP0093827B1 (en)
DE (1) DE3263236D1 (en)
HK (1) HK66988A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601064B1 (en) * 1986-07-04 1990-12-14 Guermonprez Claude PROTECTION AND / OR DECORATION DEVICE FOR OPENINGS IN WALLS, WINDOWS OR THE LIKE.
US4799524A (en) * 1987-07-21 1989-01-24 Claude Guermonprez Protection and/or decorative device for apertures in walls, windows and the like
DE3932357A1 (en) * 1989-09-28 1991-04-11 Gerisch Rolf Air filter for building opening - is folded concertina fashion and mounted in frame which surrounds opening in building wall
NL2004036C2 (en) 2009-12-30 2011-07-04 Unilux Nederland B V HANDLE AND CLOSING CLIP FOR USE WITH A HORN DEVICE AND EQUIPPED HORIN DEVICE.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE147120C (en) *
CH167084A (en) * 1932-03-02 1934-02-15 Sylvester Ewald Window grilles.
US2692017A (en) * 1951-10-20 1954-10-19 Lang Albert Frameless window screen
FR1499994A (en) * 1966-05-11 1967-11-03 Extra-flat screen blind
FR1574013A (en) * 1968-04-02 1969-07-11
DE2622170A1 (en) * 1976-05-19 1977-11-24 Artur Tatarczyk Universal window ventilating and fly screen grill - has folded perforated pref. resilient plastic netting strip
DE8023338U1 (en) * 1980-09-02 1981-07-02 Badewien, Reinhard, 2956 Moormerland INSECT PROTECTION DEVICE FOR A DOOR OPENING

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EP0093827A1 (en) 1983-11-16
HK66988A (en) 1988-09-02
DE3263236D1 (en) 1985-05-30

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