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EP0737795A2 - Window shade and manufacturing process - Google Patents

Window shade and manufacturing process Download PDF

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Publication number
EP0737795A2
EP0737795A2 EP96104686A EP96104686A EP0737795A2 EP 0737795 A2 EP0737795 A2 EP 0737795A2 EP 96104686 A EP96104686 A EP 96104686A EP 96104686 A EP96104686 A EP 96104686A EP 0737795 A2 EP0737795 A2 EP 0737795A2
Authority
EP
European Patent Office
Prior art keywords
winding
roller blind
film
roll
blind film
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.)
Granted
Application number
EP96104686A
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German (de)
French (fr)
Other versions
EP0737795A3 (en
EP0737795B1 (en
Inventor
Manfred Dipl.-Phys. Schmidt
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Individual
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Individual
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Filing date
Publication date
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Publication of EP0737795A2 publication Critical patent/EP0737795A2/en
Publication of EP0737795A3 publication Critical patent/EP0737795A3/en
Application granted granted Critical
Publication of EP0737795B1 publication Critical patent/EP0737795B1/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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/70—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned outside the roller
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
    • E06B2009/2643—Screens between double windows
    • E06B2009/2646—Magnetic screen operator

Definitions

  • the invention relates to a roller blind film, in particular for use as a movable cover for glass panes, and a method for producing the same.
  • Roller blinds which are used to darken, shade or decorate windows are known.
  • the basic shape has a rotatable roller arranged at the top for unwinding or unwinding a curtain, the lower end of which is stabilized and weighed down by end stiffening approximately in the form of a rod.
  • the curtain is, for example, a 0.3 mm thick film and the roller has a diameter of 30 mm.
  • a pull cord is usually attached to the end stiffener, and the roller is driven by a spring element.
  • the drive mostly acts on the roller.
  • a roller blind can also control the heat flow as a movable heat shield for windows, house facades or solar panels.
  • thermal protection for use on windows is proposed in DT 2446203, and suitable protective films are described in EP 0483528A1. They usually consist of a thin film of plastic with a lamination of copper or aluminum in such a way that, for example, they are semi-transparent to light and yet reflect heat rays almost completely.
  • the conventional arrangement in the interior is problematic, however, because in cold weather a window pane arranged behind the heat protection film forms and condenses on the condensation.
  • the object of the invention is to create a roller blind which does not have the above-mentioned shortcomings and disadvantages, is suitable for installation between panes of insulating glass and permits inexpensive production.
  • a roller blind consisting of the roller blind film according to the invention and a winding mechanism can be used conventionally for decorating or shading windows.
  • the roller blind film can basically be made from materials and according to the methods used in pleated blinds.
  • a folding curtain has narrow pressed folds in a zigzag profile as they are used in the same quality, that is to say, the same directional crease marks are used in the roller blind film.
  • the production of the kink embossing is possible with little effort using a special process in which, in principle, a round wrap is deformed into a flat double-edged wrap.
  • the roller blind film can be made extremely thin and light with the advantage that only a small amount of drive power is required for unwinding or unwinding. Based on practical experience, a battery-operated electric motor with 0.3 W power is sufficient to drive a corresponding roller blind. Thanks to the low power requirement, the roller blind can also be actuated by means of a magnetic coupling that transmits a pushing force or a torque through one of the disks from the outside to the inside. In a preferred embodiment, the roller blind in the insulating glass is actuated manually by moving the magnetic coupling. Of course, the magnetic coupling can also be used for power transmission in an external electric drive.
  • the raw film 1 shows a special method for producing the roller blind film according to the invention from a raw film 1.
  • the raw film 1 is preferably made of plastic, which can be deformed at a specific temperature of, for example, 120 ° C. Suitable materials with the required thermal and optical properties are available on the market.
  • the raw film 1 is wound on a winding core 2, which has a minimum diameter of approximately 6 mm. So that it receives the stability required for winding it is taut between two thrust bearings 3. 3 '.
  • the latter has an obtuse, arrow-shaped cut V1 or V2 on the side to be wound up.
  • the second gate V2 is used for a special end reinforcement E0, which is formed by winding up this side.
  • the raw film 1 After winding from both sides, the raw film 1 is in the form of two rolls, the round roll P0 and the end stiffener E0.
  • the winding of the end stiffener E0 consists, for example, of 10 layers, which are consolidated into a homogeneous tube by gluing, welding or the like.
  • the winding core 2 used in each case for winding is preferably a thin-walled tube; it can remain inside or be removed for reuse.
  • the round roll P0 is formed together with the inner winding core 2 or without the same by pressing them together to form a double-edged roll P2.
  • Kink embossments L with a kink angle of 180 degrees are formed on the two edges. These are preferably permanently embossed into the material by temporary heating during or after being pressed together.
  • the end stiffener E0 can be shaped as a round wrap.
  • the formation of the kink embossments L in the form of the two-sided winding P2 is the essential step in the production of the roller blind film according to the invention.
  • the manufacturing process can be varied in many ways with regard to the final stiffening E0.
  • FIG. 2 shows three exemplary embodiments of the finished roller blind film. They are made by unwinding the two-sided winding P2 and winding it into a winding either in the triangular profile P3, square profile P4, pentagonal profile P5 or in another higher-order edge profile. The additional moments of the superimposed kink embossments L stabilize the respective edge profile and cause a torque in the winding direction.
  • the triangular profile P3 is generally suitable for small winding diameters and the pentagonal profile P5 for large winding diameters.
  • the unwound part forms a wave profile W as a result of the kink embossments L. This requires minimal tensile forces, which correspond approximately to the weight of the end stiffener E0.
  • FIG 3 the use of the roller blind as a movable cover of a glass sheet 4 is shown schematically.
  • the wave profile W stiffens the blind film in the transverse direction and forms an air cushion to the glass pane 4, which improves the thermal insulation and prevents sticking.
  • the edge profile of the winding 8 ensures true-to-track winding by positive locking over many turns, even with a small diameter.
  • Parts of a winding mechanism in the form of a winding tube 6 with an internal torsion spring 7 are also shown.
  • the round profile of the winding tube 6 shown can of course also be designed according to the winding 8 as a square tube.
  • the inner torsion spring 7 advantageously compensates for the tensile force emanating from the film roller blind or generates the torque required for winding.
  • a drive device for actuation can either drive the winding tube 6 as a roll-up drive or move the end stiffening E0 as a roll-off drive, the roll-up film following or unwinding this movement under spring force.
  • the winding tube 6 has a diameter of only about 7 mm, and the roller blind film is 0.02 mm thick.
  • the torsion spring 7 has a wire thickness of approximately 0.3 mm and 140 turns.
  • the roller blind film can be up to about 120 cm wide and 150 cm long.
  • the winding 8 has a diameter of approximately 15 mm at 80 cm and 21 mm at 150 cm in length.
  • the drive power required to operate is about 0.1 W.
  • Fig. 4 shows in cross section an insulating glass with an internal, manually operated roller blind.
  • the insulating glass consists of two panes 4 and 5, which are firmly connected to one another by a spacer 9.
  • the roller blind film is mounted on a winding tube 6 with spring drive.
  • a magnetic coupling MG transmits a displacement force to the end stiffener E0 through the disk 4.
  • the roller blind film can be wound up or unwound manually by moving the magnetic coupling MG.
  • the advantages are inexpensive manufacture and high reliability.
  • Fig. 5 shows a roller blind that is operated with a rolling drive in the form of an electric motor EM.
  • the roller blind film is mounted on a winding tube 6 with a torsion spring 7.
  • Tension elements M1, M2 act on the end reinforcement E0. which wind up or unwind on spools M3, M4 and thus operate the roller blind.
  • the tension element M1, M2 are preferably steel strips with a thickness of approximately 0.05 mm; the coils M3, M4 have a common shaft which is driven by the electric motor EM.
  • this embodiment can be arranged in the space between the panes of an insulating glass as described above.
  • the electric motor EM has a diameter of approximately 12 mm and an output of 0.3 W.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Blinds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

The roll-up sheet has kinks (L) stamped into it parallel to the winder axis. It possesses a bending moment in the roll-up direction so that it has an edged shape at the roll (8) and a corrugated surface (W) when unwound. The bottom of the sheet has a reinforcement (E0) in the form of a roll inside which is a core. The material is between 001 and 0.05 mm thick, with imprinted kinks spaced apart by between 7 and 20 mm.

Description

Die Erfindung betrifft eine Rollo-Folie, insbesondere zur Verwendung als bewegliche Abdeckung von Glasscheiben und ein Verfahren zur Herstellung derselben.The invention relates to a roller blind film, in particular for use as a movable cover for glass panes, and a method for producing the same.

Rollos, die zum Verdunkeln, Abschatten oder Dekorieren von Fenstern dienen, sind bekannt. Die Grundform hat eine oben angeordnete drehbare Walze zum Aufbeziehungsweise Abwickeln eines Behanges, dessen unteres Ende durch eine Endversteifung etwa in Gestalt einer Stange stabilisiert und beschwert ist. Der Behang ist zum Beispiel eine 0.3 mm dicke Folie und die Walze hat einen Durchmesser von 30 mm. Bei manuell betätigten Rollos ist meist an der Endversteifung eine Zugschnur befestigt, und die Walze wird durch ein Federelement angetrieben. Bei elektrischen Rollos wirkt der Antrieb meist auf die Walze.Roller blinds which are used to darken, shade or decorate windows are known. The basic shape has a rotatable roller arranged at the top for unwinding or unwinding a curtain, the lower end of which is stabilized and weighed down by end stiffening approximately in the form of a rod. The curtain is, for example, a 0.3 mm thick film and the roller has a diameter of 30 mm. In the case of manually operated blinds, a pull cord is usually attached to the end stiffener, and the roller is driven by a spring element. In the case of electric roller blinds, the drive mostly acts on the roller.

In einer speziellen Ausführung kann ein Rollo auch als bewegliches Wärmschutzschild bei Fenstern, Hausfassaden oder Sonnenkollektoren den Wärmestrom steuern. In der DT 2446203 ist zum Beispiel ein Wärmeschutz zur Verwendung an Fenstern vorgeschlagen, und in der EP 0483528A1 sind geeignete Schutzfolien beschrieben. Sie bestehen meist aus einer dünnen Folie aus Kunststoff mit einer Kaschierung aus Kupfer- oder Aluminium derart, daß sie beispielsweise für Licht halb transparent sind und dennoch Wärmestrahlen fast vollständig reflektieren. Die konventionelle Anordung im Innenraum ist allerdings problematisch, weil bei kalter Witterung eine hinter der Wärmeschutzfolie angeordnete Fensterscheibe Kondenswasser bildet und beschlägt.In a special version, a roller blind can also control the heat flow as a movable heat shield for windows, house facades or solar panels. For example, thermal protection for use on windows is proposed in DT 2446203, and suitable protective films are described in EP 0483528A1. They usually consist of a thin film of plastic with a lamination of copper or aluminum in such a way that, for example, they are semi-transparent to light and yet reflect heat rays almost completely. The conventional arrangement in the interior is problematic, however, because in cold weather a window pane arranged behind the heat protection film forms and condenses on the condensation.

Die Einsatzmöglichkeiten insbesondere von automatisch gesteuerten Rollos bei Fenstern und Hausfassaden wurden zum Beispiel vom Fraunhofer Institut für solare Energiesysteme, Freiburg im Breisgau, untersucht. Die Ergebnisse zeigen, daß damit erhebliche Mengen an Heizenergie eingespart und solare Energie genutzt werden kann. Eines der bekannten Systeme benutzt beispielsweise speziell konstruierte Fenster, bei denen ein wärmewirksames Rollo zwischen Scheiben angeordnet ist. Derartige Fenster sind aber recht aufwendig in Herstellung und Montage und daher nicht marktgerecht.The possible uses, in particular of automatically controlled blinds on windows and house facades, have been investigated, for example, by the Fraunhofer Institute for Solar Energy Systems, Freiburg im Breisgau. The results show that considerable amounts of heating energy can be saved and solar energy can be used. For example, one of the known systems uses specially constructed windows which a heat-effective roller blind is arranged between panes. Such windows are quite complex to manufacture and assemble and therefore not in line with the market.

Weil Fenster heute ganz überwiegend mit Isoliergläsern ausgestattet werden liegt es nahe, Rollos im Scheibenzwischenraum von Isoliergläsern anzuordnen. Dazu werden aber extrem kompakt Rollos mit einer Tiefe von lediglich 16 bis 22 mm gebraucht. Lösungsvorschläge finden sich zum Beispiel in den Patentschriften EP 0154218A2 and EP 0483528A1, und es gibt auch entsprechende Produkte am Markt. Allerdings weisen diese zum Teil erhebliche Mängel auf. Selbst bei auf Ausstellungen gezeigten Mustern ist manchmal zu sehen, daß die Schutzfolie schief aufwickelt, Falten wirft, schräg hängt oder gar an der Glasscheibe haften bleibt. Es ist offensichtlich, daß die bei einem extrem kompakten Rollo auftretenden technischen Probleme noch nicht befriedigend gelöst sind.Because windows are now predominantly equipped with insulating glass, it makes sense to arrange roller blinds in the space between the panes of insulating glass. To do this, extremely compact roller blinds with a depth of only 16 to 22 mm are required. Proposed solutions can be found, for example, in the patents EP 0154218A2 and EP 0483528A1, and there are also corresponding products on the market. However, some of these have significant shortcomings. Even with samples shown at exhibitions it can sometimes be seen that the protective film winds up crookedly, folds, hangs diagonally or even sticks to the glass pane. It is obvious that the technical problems encountered with an extremely compact roller blind have not yet been solved satisfactorily.

Die Erfindung stellt sich die Aufgabe ein Rollo zu schaffen, das die vorstehend genannten Mängel und Nachteile nicht aufweist, für den Einbau zwischen Scheiben eines Isolierglases geeignet ist und eine kostengünstige Herstellung erlaubt.The object of the invention is to create a roller blind which does not have the above-mentioned shortcomings and disadvantages, is suitable for installation between panes of insulating glass and permits inexpensive production.

Diese Aufgabe wird gelöst durch eine Rollo-Folie und ein Verfahren zur Herstellung denselben gemäß Anspruch 1 beziehungsweise 8.This object is achieved by a roller blind film and a method for producing the same according to claims 1 and 8, respectively.

Eine erfindungsgemäße Rollo-Folie hat gleichsinnig und parallel zur Wickelachse angeordnete Knickprägungen im Knickwinkel von bis zu 180 grd. Diese bewirken durch ihr Biegemoment ein Wellenprofil, das zu einen Wickel mit zahnradähnlichem Kantenprofil unter Formschluß und mii eigenem Drehmoment aufwickelt. Eine so gestaltete Rollo-Folie zeichnet sich durch mehere hervorragende Eigenschaften aus, von denen die wichtigsten nachfolgend genannt sind.

  • 1. Spurtreues Aufwickeln durch Formschluß am Kantenprofil.
  • 2. Drehmoment in Aufrollrichtung durch Prägung als Rollfeder.
  • 3. Versteifung in Querrichtung durch Wellenprofil.
  • 4. Luftpolster bei Auflage auf Glasscheibe.
A roller blind film according to the invention has kink embossments arranged in the same direction and parallel to the winding axis at an angle of up to 180 degrees. Due to their bending moment, these produce a wave profile that winds up into a winding with a gear-like edge profile with positive locking and with its own torque. A roller blind film designed in this way is characterized by several excellent properties, the most important of which are listed below.
  • 1. True winding by positive locking on the edge profile.
  • 2. Torque in the winding direction by embossing as a roller spring.
  • 3. Stiffening in the transverse direction by wave profile.
  • 4. Air cushion when placed on a glass pane.

Ein Rollo bestehend aus der erfindungsgemäßen Rollo-Folie und einer Wickelmechanik kann konventionell zur Dekoration oder Abschattung von Fenstern dienen. Dazu kann die Rollo-Folie grundsätzlich aus Materialien und nach Methoden gefertigt sein, die bei Plissee Jalousien verwendet werden. Bekanntlich hat ein solcher Faltbehang schmale gepreßte Falten im Zick-Zack-Profil wie sie in ähnlicher Qualität also gleichsinnige Knickprägungen bei der Rollo-Folie gebraucht werden. Die Herstellung der Knickprägungen ist nach einem speziellen Verfahren, bei dem im Prinzip ein Rundwickel zu einem flachen Zweikantwickel verformt wird, mit wenig Aufwand möglich.A roller blind consisting of the roller blind film according to the invention and a winding mechanism can be used conventionally for decorating or shading windows. For this purpose, the roller blind film can basically be made from materials and according to the methods used in pleated blinds. As is well known, such a folding curtain has narrow pressed folds in a zigzag profile as they are used in the same quality, that is to say, the same directional crease marks are used in the roller blind film. The production of the kink embossing is possible with little effort using a special process in which, in principle, a round wrap is deformed into a flat double-edged wrap.

Bei der Verwendung als Wärmeschutz ist die Anordung zwischen Scheiben eines Isolierglases bevorzugt. Unter Berücksichtigung der geschützten Lage kann die Rollo-Folie extrem dünn und leicht gestaltet werden mit dem Vorteil, daß zum Aufbeziehungsweise Abwickeln nur wenig Antriebsleistung gebraucht wird. Nach der vorliegenden Praxiserfahrung genügt zum Antrieb eines entsprechenden Rollos ein batteriebetriebener Elektromotor mit 0.3 W Leistung. Dank des geringen Leistungsbedarfs kann das Rollo auch mittels einer Magnetkupplung betätigt werden, die eine Verschiebekraft oder ein Drehmoment durch eine der Scheiben von außen nach innen überträgt. In einer bevorzugten Ausführungsform wird das Rollo im Isolierglas durch Bewegen der Magnetkupplung manuell b tätigt. Selbstverständklich kann die Magnetkupplung auch zur Kraftübertragung bei einem außen angeordneten elektrischen Antrieb genutzt werden.When used as thermal protection, the arrangement between panes of insulating glass is preferred. Taking the protected position into account, the roller blind film can be made extremely thin and light with the advantage that only a small amount of drive power is required for unwinding or unwinding. Based on practical experience, a battery-operated electric motor with 0.3 W power is sufficient to drive a corresponding roller blind. Thanks to the low power requirement, the roller blind can also be actuated by means of a magnetic coupling that transmits a pushing force or a torque through one of the disks from the outside to the inside. In a preferred embodiment, the roller blind in the insulating glass is actuated manually by moving the magnetic coupling. Of course, the magnetic coupling can also be used for power transmission in an external electric drive.

Weitere Vorteile, Merkmale und Anwendungsmöglichkeiten der vorliegenden Erfindung ergeben sich aus den Unteransprüchen sowie aus der nachfolgenden Beschreibung in Verbindung mit den Zeichnungen; es zeigen:

  • Fig. 1: Ein Verfahren zum Herstellen der Rollo-Folie;
  • Fig. 2: Drei Ausführungsbeispiele der Rollo-Folie;
  • Fig. 3: Eine Rollo-Folie mit Federantrieb im Wickelrohr;
  • Fig. 4: Ein manuell betätigtes Rollo im Isolierglas;
  • Fig. 5: Ein elektrisch betätigtes Rollo im Isolierglas.
Further advantages, features and possible uses of the present invention result from the subclaims and from the following description in conjunction with the drawings; show it:
  • Fig. 1: A method for producing the roller blind film;
  • Fig. 2: Three embodiments of the roller blind film;
  • Fig. 3: A roller blind film with spring drive in the winding tube;
  • Fig. 4: A manually operated roller blind in the insulating glass;
  • Fig. 5: An electrically operated roller blind in the insulating glass.

Fig. 1 zeigt ein spezielles Verfahren zur Herstellung der erfindungsgemäßen Rollo-Folie aus einer Rohfolie 1. Die Rohfolie 1 ist vorzugsweise aus Kunststoff, der bei einer bestimmten Temperatur von beispielsweise 120 C verformbar ist. Geeignete Materialien mit den erforderlichen wärmewirksamen und optischen Eigenschaften sind auf dem Markt erhältlich.1 shows a special method for producing the roller blind film according to the invention from a raw film 1. The raw film 1 is preferably made of plastic, which can be deformed at a specific temperature of, for example, 120 ° C. Suitable materials with the required thermal and optical properties are available on the market.

In einem ersten Arbeitsgang wird die Rohfolie 1 auf einem Wickelkern 2 aufgewickelt, der einen minimalen Durchmesser von etwa 6 mm hat. Damit dieser die zum Aufwickeln erforderliche Stabilität erhält ist er zwischen zwei Axiallagern 3. 3' straff gespannt. Um das Aufwickeln der Rohfolie 1 zu erleichtern hat diese an der aufzuwickelnden Seite einen stumpfwinkligen, pfeilförmigen Anschnitt V1 beziehungsweise V2. Der zweite Anschnitt V2 wird für eine spezielle Endversteifung E0 gebraucht, die durch Aufwickeln dieser Seite gebildet wird.In a first operation, the raw film 1 is wound on a winding core 2, which has a minimum diameter of approximately 6 mm. So that it receives the stability required for winding it is taut between two thrust bearings 3. 3 '. In order to facilitate the winding of the raw film 1, the latter has an obtuse, arrow-shaped cut V1 or V2 on the side to be wound up. The second gate V2 is used for a special end reinforcement E0, which is formed by winding up this side.

Nach dem Aufwickeln von beiden Seiten liegt die Rohfolie 1 in Gestalt zweier Wickel vor, dem Rundwickel P0 und der Endversteifung E0. Der Wickel der Endversteifung E0 besteht zum Beispiel aus 10 Lagen, die durch Kleben, Schweißen oder ähnliches zu einem homogenen Rohr verfestigt werden. Der zum Aufwickeln jeweils verwendete Wickelkern 2 ist vorzugsweise ein dünnwandiges Rohr; er kann im Innern verbleiben oder zur Wiederverwendung entnommen werden.After winding from both sides, the raw film 1 is in the form of two rolls, the round roll P0 and the end stiffener E0. The winding of the end stiffener E0 consists, for example, of 10 layers, which are consolidated into a homogeneous tube by gluing, welding or the like. The winding core 2 used in each case for winding is preferably a thin-walled tube; it can remain inside or be removed for reuse.

In einem zweiten Arbeitsgang wird der Rundwickel P0 zusammen mit dem innenliegenden Wickelkern 2 beziehungsweise ohne denselben durch Zusammenpressen zu einem Zweikantwickel P2 geformt. Dabei bilden sich an den beiden Kanten Knickprägungen L mit einem Knickwinkel von 180 grd aus. Diese werden vorzugsweise durch temporäre Erwärmung während oder nach dem Zusammenpressen dauerhaft in das Material geprägt. Auf gleiche Weise kann auch die Endversteifung E0 als Rundwickel geprägt werden. Die Ausbildung der Knickprägungen L in Gestalt des Zweikantwickels P2 ist der wesentliche Schritt bei der Herstellung der erfindungsgemäßen Rollo-Folie. Bezüglich der Endversteifung E0 kann das Herstelllverfahren vielfach variiert werden.In a second operation, the round roll P0 is formed together with the inner winding core 2 or without the same by pressing them together to form a double-edged roll P2. Kink embossments L with a kink angle of 180 degrees are formed on the two edges. These are preferably permanently embossed into the material by temporary heating during or after being pressed together. In the same way, the end stiffener E0 can be shaped as a round wrap. The formation of the kink embossments L in the form of the two-sided winding P2 is the essential step in the production of the roller blind film according to the invention. The manufacturing process can be varied in many ways with regard to the final stiffening E0.

In Fig. 2 sind drei Ausführungsbeispiele der fertiggestellten Rollo-Folie gezeigt. Sie entstchen durch Abwickeln des Zweikantwickels P2 und Aufwickeln zu einem Wickel entweder im Dreikantprofil P3, Vierkantprofil P4, Fünfkantprofil P5 oder in einem anderen Kantenprofil höherer Ordnung. Die Beigemomente der übereinanderliegenden Knickprägungen L stabilisieren das jeweilige Kantenprofil und bewirken ein Drehmoment in Aufrollrichtung. Das Dreikantprofil P3 ist im allgemeinen für kleine und das Fünfkantprofil P5 für große Wickeldurchmesser geeignet. Der abgewickelte Teil bildet infolge der Knickprägungen L ein Wellenprofil W aus. Dazu sind minimale Zugkräfte erforderlich, die etwa dem Gewicht der Endversteifung E0 entsprechen.2 shows three exemplary embodiments of the finished roller blind film. They are made by unwinding the two-sided winding P2 and winding it into a winding either in the triangular profile P3, square profile P4, pentagonal profile P5 or in another higher-order edge profile. The additional moments of the superimposed kink embossments L stabilize the respective edge profile and cause a torque in the winding direction. The triangular profile P3 is generally suitable for small winding diameters and the pentagonal profile P5 for large winding diameters. The unwound part forms a wave profile W as a result of the kink embossments L. This requires minimal tensile forces, which correspond approximately to the weight of the end stiffener E0.

In Fig.3 ist schematisch die Verwendung der Rollo-Folie als bewegliche Abdeckung einer Glasscheibe 4 dirgestellt. Das Wellenprofil W versteift die Rollo-Folie in Querrichtung und bildet ein Luftpolster zur Glasscheibe 4, das die thermische Isolierung verbessert und ein Festkleben verhindert. Das Kantenprofil des Wickels 8 gewährleistet ein spurtreues Aufwickeln durch Formschluß über viele Windungen selbst bei kleinem Durchmesser.In Figure 3, the use of the roller blind as a movable cover of a glass sheet 4 is shown schematically. The wave profile W stiffens the blind film in the transverse direction and forms an air cushion to the glass pane 4, which improves the thermal insulation and prevents sticking. The edge profile of the winding 8 ensures true-to-track winding by positive locking over many turns, even with a small diameter.

Weiter sind Teile einer Wickelmechanik in Gestalt eines Wickelrohrs 6 mit einer innenliegender Torsionsfeder 7 dargestellt. Das gezeigt Rundprofil des Wickelrohrs 6 kann natürlich auch gemäß dein Wickel 8 als Vierkantrohr ausgeführt sein. Die innenliegende Torsionsfeder 7 kompensiert vorteilhaft die vom Folien-Rollo ausgehende Zugkraft beziehungsweise erzeugt das zum Aufwickeln notwendige Drehmoment. Eine Antriebseinrichtung zum Betätigen kann entweder als Aufrolltrieb das Wickelrohr 6 antreiben oder als Abrolltrieb die Endversteifung E0 bewegen, wobei die Rollo-Folie dieser Bewegung folgend unter Federkraft auf- beziehungsweise abwickelt.Parts of a winding mechanism in the form of a winding tube 6 with an internal torsion spring 7 are also shown. The round profile of the winding tube 6 shown can of course also be designed according to the winding 8 as a square tube. The inner torsion spring 7 advantageously compensates for the tensile force emanating from the film roller blind or generates the torque required for winding. A drive device for actuation can either drive the winding tube 6 as a roll-up drive or move the end stiffening E0 as a roll-off drive, the roll-up film following or unwinding this movement under spring force.

In einer speziellen, zum Einbau in ein Isolierglas geeigneten Ausführung hat das Wickelrohr 6 einen Durchmesser von lediglich etwa 7 mm, und die Rollo-Folie ist 0.02 mm stark. Die Torsionsfeder 7 hat eine Drahtstärke von etwa 0.3 mm und 140 Windungen. Nach der vorliegenden Praxiserfahrung kann damit die Rollo-Folie bis zu etwa 120 cm breit und 150 cm lang sein. Der Wickel 8 hat einen Durchmesser von etwa 15 mm bei 80 cm und 21 mm bei 150 cm Länge. Die zum Betätigen notwendige Antriebsleistung liegt bei etwa 0.1 W.In a special embodiment suitable for installation in an insulating glass, the winding tube 6 has a diameter of only about 7 mm, and the roller blind film is 0.02 mm thick. The torsion spring 7 has a wire thickness of approximately 0.3 mm and 140 turns. According to the present practical experience, the roller blind film can be up to about 120 cm wide and 150 cm long. The winding 8 has a diameter of approximately 15 mm at 80 cm and 21 mm at 150 cm in length. The drive power required to operate is about 0.1 W.

Fig. 4 zeigt im Querschnitt ein Isolierglas mit innenliegendem, manuell betätigtem Rollo. Das Isolierglas besteht aus zwei Scheiben 4 und 5, die durch einen Abstandhalter 9 fest miteinander verbunden sind. Die Rollo-Folie ist gemäß dem Beispiel in Fig. 3 auf einem Wickelrohr 6 mit Federantrieb gelagert. Eine Magnetkupplung MG überträgt durch die Scheibe 4 eine Verschiebekraft auf die Endversteifung E0. Offensichtlich kann durch Bewegen der Magnetkupplung MG die Rollo-Folie manuell auf- beziehungsweise abgewickelt werden. Die Vorteile sind preiswerte Herstellung und hohe Zuverlässigkeit.Fig. 4 shows in cross section an insulating glass with an internal, manually operated roller blind. The insulating glass consists of two panes 4 and 5, which are firmly connected to one another by a spacer 9. According to the example in FIG. 3, the roller blind film is mounted on a winding tube 6 with spring drive. A magnetic coupling MG transmits a displacement force to the end stiffener E0 through the disk 4. Obviously, the roller blind film can be wound up or unwound manually by moving the magnetic coupling MG. The advantages are inexpensive manufacture and high reliability.

Fig. 5 zeigt ein Rollo, das mit einem Abrolltrieb in Gestalt eines Elektromotors EM betätigt wird. Die Rollo-Folie ist gemäß dem Beispiel in Fig. 3 auf einem Wickelrohr 6 mit Torsionsfeder 7 gelagert. An der Endversteifung E0 greifen Zugelement M1,M2 an. die auf Spulen M3,M4 auf- beziehungsweise abwickeln und damit das Rollo betätigen. Die Zugelement M1,M2 sind vorzugsweise Stahlbänder mit einer Dicke von etwa 0.05 mm; die Spulen M3,M4 haben eine gemeinsame Welle, die vom Elektromotor EM angetrieben wird. Bei entsprechender Dimensionierung kann diese Ausführungsform wie oben beschrieben im Scheibenzwischenraum eines Isolierglases angeordnet sein. In dieser Anwendung hat der Elektromotor EM einen Durchmesser von etwa 12 mm und eine Leistung von 0.3 W.Fig. 5 shows a roller blind that is operated with a rolling drive in the form of an electric motor EM. According to the example in FIG. 3, the roller blind film is mounted on a winding tube 6 with a torsion spring 7. Tension elements M1, M2 act on the end reinforcement E0. which wind up or unwind on spools M3, M4 and thus operate the roller blind. The tension element M1, M2 are preferably steel strips with a thickness of approximately 0.05 mm; the coils M3, M4 have a common shaft which is driven by the electric motor EM. With appropriate dimensioning, this embodiment can be arranged in the space between the panes of an insulating glass as described above. In this application, the electric motor EM has a diameter of approximately 12 mm and an output of 0.3 W.

Claims (12)

Rollo-Folie, insbesondere zur Verwendung also bewegliche Abdeckung einer Glasscheibe (4), die zu einem Wickel (8) aufwickelbar beziehungsweise zu einer Fläche abwickelbar ist,
gekennzeichnet durch
Knickprägungen (L), die parallel zur Wickelachse angeordnet sind und ein Biegemoment in Aufrollrichtung haben derart, daß sie beim Wickel (8) ein Kantenprofil (P3,P4 oder P5) und bei der Fläche ein Wellenprofil (W) ausbilden.Roller blind film, in particular for use, ie movable cover of a glass pane (4) which can be wound up to form a roll (8) or unwound to form a surface,
marked by
Kink embossments (L), which are arranged parallel to the winding axis and have a bending moment in the winding direction such that they form an edge profile (P3, P4 or P5) in the winding (8) and a wave profile (W) in the surface. Rollo-Folie nach Anspruch 1,
gekennzeichnet durch
eine unten angeordnete Endversteifung (E0) in Gestalt eines Wickels.Roller blind film according to claim 1,
marked by
a bottom stiffening (E0) in the form of a coil. Rollo-Folie nach Anspruch 2,
dadurch gekennzeichnet, daß
im Innern der Endversteifung (E0) ein Wickelkern angeordnet ist.Roller blind film according to claim 2,
characterized in that
a winding core is arranged inside the end stiffener (E0). Rollo-Folie nach einem der vorhergehenden Ansprüche,
gekennzeichnet durch
eine Materialstärke von 0.01 bis 0.05 mm und Knickprägungen (L) in Abständen von 7 bis 20 mm.Roller blind film according to one of the preceding claims,
marked by
a material thickness of 0.01 to 0.05 mm and kink embossing (L) at intervals of 7 to 20 mm. Rollo-Folie nach einem der vorhergehenden Ansprüchen,
dadurch gekennzeichnet, daß
die Rollo-Folie zwischen Scheiben (4,5) eines Isolierglases angeordnet ist.Roller blind film according to one of the preceding claims,
characterized in that
the blind film is arranged between panes (4, 5) of an insulating glass. Rollo-Folie nach einem der vorhergehenden Ansprüchen,
dadurch gekennzeichnet, daß
die Wickelmechanik mit einem Abrolltrieb (EM) ausgestattet ist, der die Endversteifung (E0) in Auf- beziehungsweise Abrollrichtung bewegt.Roller blind film according to one of the preceding claims,
characterized in that
the winding mechanism is equipped with a rolling drive (EM) that moves the end stiffener (E0) in the winding or unwinding direction. Rollo-Folie nach Anspruch 5 oder 6,
dadurch gekennzeichnet, daß
die Wickelmechanik mit eine mechanischen Magnetkupplung (MG) ausgestattet ist, die die Antriebsleistung zum Auf- beziehungsweise Abwickeln durch eine Glasscheibe (4) überträgt.Roller blind film according to claim 5 or 6,
characterized in that
the winding mechanism is equipped with a mechanical magnetic coupling (MG), which transmits the drive power for winding or unwinding through a glass pane (4). Verfahren zur Herstellung der Rollo-Folie aus einer Rohfolie (1),
gekennzeichnet durch die folgenden Fertigungsschritte: a) Aufwickeln der Rohfolie (1) zu einem Rundwickel (P0) auf einem Wickelkern (2); b) Flachpressen des Rundwickels (P0) zu einem flachen Zweikantwickel (P2) mit Knickprägungen (L). Process for producing the roller blind film from a raw film (1),
characterized by the following manufacturing steps: a) winding the raw film (1) into a round roll (P0) on a roll core (2); b) Flat pressing the round roll (P0) into a flat double-edged roll (P2) with kink embossments (L). Verfahren nach Anspruch 8,
dadurch gekennzeichnet, daß
die Rohfolie (1) an der am Wickelkern (2) aufliegenden Seite einen stumpfwinkligen, pfeilförmigen Anschnitt (V1 bzw V2) hat.A method according to claim 8,
characterized in that
the raw film (1) has an obtuse, arrow-shaped gate (V1 or V2) on the side lying on the winding core (2). Verfahren nach Anspruch 8,
dadurch gekennzeichnet, daß
der Wickelkern (2) beim Aufwickeln der Rohfolie (1) durch eine Zugspannung gestrafft ist.A method according to claim 8,
characterized in that
the winding core (2) is tightened by tensile stress when winding the raw film (1). Verfahren nach Anspruch 8,
dadurch gekennzeichnet, daß
beim Ferigungsschritt b) der Rundwickel (P0) zusammen mit dem innenliegenden Wickelkern (2) zum Zweikantwickel (P2) flachgepreßt wird.A method according to claim 8,
characterized in that
in the production step b) the round winding (P0) is pressed together with the inner winding core (2) to form a double-edged winding (P2). Verfahren nach Anspruch 8,
dadurch gekennzeichnet, daß
die Knickprägungen (L) beim Zweikantwickel (P2) durch eine temporäre Temperaturerhöhung dauerhaft geprägt werden.A method according to claim 8,
characterized in that
the kink embossments (L) in the double-edged winding (P2) are permanently shaped by a temporary temperature increase.
EP96104686A 1995-04-13 1996-03-25 Window shade and manufacturing process Expired - Lifetime EP0737795B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19514019A DE19514019C2 (en) 1995-04-13 1995-04-13 Roller blind film and manufacturing process
DE19514019 1995-04-13

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EP0737795A3 EP0737795A3 (en) 1997-10-29
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AT (1) ATE167723T1 (en)
DE (2) DE19514019C2 (en)
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EP1286018A1 (en) * 2001-08-16 2003-02-26 Manfred Dipl.-Phys. Schmidt Roller blind with predetermined course of roller angular velocity
EP1801344A2 (en) * 2005-12-23 2007-06-27 Techno Glas Sagl. Double glazing under vacuum for openings in buildings
WO2008025554A2 (en) * 2006-08-30 2008-03-06 Simon Lutz Insulating glass element with an incorporated mobile shade or privacy blind
FR2943714A1 (en) * 2009-03-31 2010-10-01 Vision Systems Aeronautics Blind assembly for passenger port hole of aircraft, has screen formed in occulting material, and another screen formed in filtering material, where two screens carries out adjustments of luminosity
CN102052048A (en) * 2010-11-05 2011-05-11 李龙 Roller shutter device controlled by magnetic slide blocks and built in hollow glass
CN106837082A (en) * 2017-03-27 2017-06-13 烟台大学 A kind of multi-functional shutter formula solar thermal collection system
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WO2002033194A1 (en) * 2000-10-18 2002-04-25 ROWO Coating Gesellschaft für Beschichtung mbH Blind, especially for covering a glass pane of a window
NL1017830C2 (en) * 2001-04-12 2002-10-15 Sunfolie Techniek B V Plastic glazing film, and method and device for its manufacture.
EP1249572A1 (en) * 2001-04-12 2002-10-16 Sunfolie Techniek B.V. Plastic glazing foil and method and apparatus for manufacture thereof
EP1286018A1 (en) * 2001-08-16 2003-02-26 Manfred Dipl.-Phys. Schmidt Roller blind with predetermined course of roller angular velocity
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EP1801344A3 (en) * 2005-12-23 2011-07-06 Techno Glas Sagl. Double glazing under vacuum for openings in buildings
EP1801344A2 (en) * 2005-12-23 2007-06-27 Techno Glas Sagl. Double glazing under vacuum for openings in buildings
WO2008025554A2 (en) * 2006-08-30 2008-03-06 Simon Lutz Insulating glass element with an incorporated mobile shade or privacy blind
WO2008025554A3 (en) * 2006-08-30 2008-06-12 Simon Lutz Insulating glass element with an incorporated mobile shade or privacy blind
FR2943714A1 (en) * 2009-03-31 2010-10-01 Vision Systems Aeronautics Blind assembly for passenger port hole of aircraft, has screen formed in occulting material, and another screen formed in filtering material, where two screens carries out adjustments of luminosity
CN102052048A (en) * 2010-11-05 2011-05-11 李龙 Roller shutter device controlled by magnetic slide blocks and built in hollow glass
CN106837082A (en) * 2017-03-27 2017-06-13 烟台大学 A kind of multi-functional shutter formula solar thermal collection system
CN106837082B (en) * 2017-03-27 2020-02-11 烟台大学 Multifunctional louver type solar heat collection system
CN113107317A (en) * 2021-05-27 2021-07-13 广东天濠建设工程有限公司 Outer sunshade heat preservation construction structures of green building

Also Published As

Publication number Publication date
ES2119526T3 (en) 1998-10-01
DE19531908A1 (en) 1997-03-27
EP0737795A3 (en) 1997-10-29
DE19514019A1 (en) 1996-10-17
DE19514019C2 (en) 1997-02-13
ATE167723T1 (en) 1998-07-15
DK0737795T3 (en) 1999-04-06
DE19531908C2 (en) 1997-07-10
US6354354B1 (en) 2002-03-12
EP0737795B1 (en) 1998-06-24

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