US20040040672A1 - Device and method for shading a window - Google Patents

Device and method for shading a window Download PDF

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Publication number
US20040040672A1
US20040040672A1 US10/230,366 US23036602A US2004040672A1 US 20040040672 A1 US20040040672 A1 US 20040040672A1 US 23036602 A US23036602 A US 23036602A US 2004040672 A1 US2004040672 A1 US 2004040672A1
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United States
Prior art keywords
shade assembly
space
light blocking
fluid
blocking member
Prior art date
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Abandoned
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US10/230,366
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English (en)
Inventor
Haim Nagar
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to US10/230,366 priority Critical patent/US20040040672A1/en
Priority to PCT/IL2003/000704 priority patent/WO2004020235A2/fr
Priority to AU2003256034A priority patent/AU2003256034A1/en
Publication of US20040040672A1 publication Critical patent/US20040040672A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/20—Accessories, e.g. wind deflectors, blinds
    • B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
    • B60J1/2013—Roller blinds
    • B60J1/2019—Roller blinds powered, e.g. by electric, hydraulic or pneumatic actuators
    • B60J1/2025—Roller blinds powered, e.g. by electric, hydraulic or pneumatic actuators with flexible actuating elements connected to the draw bar for pulling only, e.g. cords, wires or cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/20—Accessories, e.g. wind deflectors, blinds
    • B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
    • B60J1/2013—Roller blinds
    • B60J1/2063—Mounting arrangements for roller blind or its storage box, e.g. integration into beltline or window frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/20—Accessories, e.g. wind deflectors, blinds
    • B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
    • B60J1/2013—Roller blinds
    • B60J1/2066—Arrangement of blinds in vehicles
    • B60J1/2075—Arrangement of blinds in vehicles specially adapted for fixed windows
    • B60J1/2077—Arrangement of blinds in vehicles specially adapted for fixed windows for windshields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/20—Accessories, e.g. wind deflectors, blinds
    • B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
    • B60J1/2013—Roller blinds
    • B60J1/2066—Arrangement of blinds in vehicles
    • B60J1/2075—Arrangement of blinds in vehicles specially adapted for fixed windows
    • B60J1/208—Arrangement of blinds in vehicles specially adapted for fixed windows for rear windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/20—Accessories, e.g. wind deflectors, blinds
    • B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
    • B60J1/2013—Roller blinds
    • B60J1/2066—Arrangement of blinds in vehicles
    • B60J1/2086—Arrangement of blinds in vehicles specially adapted for openable windows, e.g. side window
    • 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

Definitions

  • the present invention relates to the field of window shades and, more particularly, to a window shading assembly that includes a shading element within a double pane unit that is usable in a building or motor vehicle.
  • shade windows It is common to shade windows from the entry of light and there are many reasons for doing so. In buildings, shaded windows provide privacy, glare control and protection from damage from UV radiation. In vehicles, shaded windows are used for the same purposes as well as to reduce the interior temperature of parked vehicles and to secure the safety of dignitaries.
  • Window shading known in the art includes the use of special substrates having light absorptive or reflective properties. Such glazing materials reduce the entry of heat and light producing radiation.
  • One such glazing is disclosed by U.S. Pat. No. 6,387,514 which teaches a solar control substrate comprising a pyrolytically-formed coating layer containing oxides of tin and antimony which is highly reflective. Many others are known.
  • Special glazings may vary the amount of light that passes, as taught in U.S. Pat. No. 5,822,107 which shows an electrochromic glazing which permits the user, by applying an electrical current, to cause the glazing to pass from one degree of coloration to another.
  • Another common method of window shading is the application of a light absorptive or reflective film to an otherwise transparent or translucent window.
  • Such films typically adhere to an existing pane and may contain many different optical properties, depending upon the application.
  • window coverings such as drapery, curtains, window shades, venetian or slat blinds, and similar extra-window devices.
  • U.S. Pat. No. 3,046,048 discloses a magnetically secured windshield cover, which overlies and remains contiguous with the exterior of the automobile windshield.
  • U.S. Pat. No. 2,843,421 shows an automobile windshield awning extending forward of the windshield to protect it against the elements.
  • U.S. Pat. No. 3,184,264 shows a related type of windshield protector.
  • U.S. Pat. No. 4,863,943 discloses an adjustable vehicle sunshade for fitting externally over the windshield and over the driver and passenger side windows.
  • U.S. Pat. No. 4,736,980 discloses another form of more permanent type of windshield shade.
  • U.S. Pat. No. 4,560,245 discloses a vehicular windshield curtain for inhibiting heat transfer.
  • U.S. Pat. No. 3,336,969 shows a vehicle windshield and rear window cover.
  • U.S. Pat. No. 1,732,447 discloses a sun shield formed as a curtain for application inside an automobile window.
  • U.S. Pat. No. 4,818,007 discloses a vehicle screen/shade.
  • U.S. Pat. No. 4,790,591 shows a removable protective vehicle windshield screen.
  • U.S. Pat. Nos. 4,652,039 and 4,763,947 show other forms of windshield shade made out of paperboard which are collapsible into a smaller configuration for storage.
  • U.S. Pat. No. 2,596,836 shows a glare shield for use inside an automobile window.
  • U.S. Pat. No. 2,598,770 shows a flexible window screen.
  • U.S. Pat. Nos. 2,614,630 and 2,979,129 show covers for application over the windshield.
  • U.S. Pat. No. 2,065,242 shows another form of exterior windshield protector.
  • U.S. Pat. No. 1,475,647 discloses an adjustable visor for vehicle windshields.
  • U.S. Pat. Nos. 4,332,414; 4,606,572; 4,861,090; 5,598,883 and 5,660,220 all teach fan like devices which unfold to provide shade and fold out of the way when not needed.
  • U.S. Pat. No. 6,192,967 discloses a pivoting combination of fan sections.
  • U.S. Pat. No. 6,402,222 teaches a fan type shade usable only for the side windows of automobiles.
  • 6,397,917 teaches a more variable shade consisting of venetian blinds having an upper section which is adapted to redirect light entering the window upwardly against the ceiling of the room, and a lower section which is adapted to inhibit light from entering the room.
  • the slats of the lower section can be pivoted independently of the slats of the upper section. All such devices are well known in the art.
  • control mechanisms for activating blinds within a double pane window are also well known in the art.
  • Such controls for lifting, lowering and tilting the blinds are preferably actuatable while maintaining the window seal and the insulating advantage of the double glazing.
  • the prior art shows many different manually operated systems of cords, cables and gears as the control means, such as shown in U.S. Pat. No. 4,687,040.
  • U.S. Pat. No. 6,070,638 teaches a window in which the blind can be raised, lowered and tilted while maintaining a seal between the window frame and the window panes.
  • Containing a shading device within a double pane window provides advantages, such as protecting the moving parts of the shade, ease of cleaning and avoiding external attachments hanging on the window.
  • a shade assembly for shading a window opening comprising (a) two panes of transparent material disposed substantially parallel with a space therebetween forming a double pane having at least one open edge in communication with the space; (b) a light blocking member deployable within the space and retractable from within the space; and (c) a drive mechanism for deploying and retracting the light blocking member; the shade assembly being for deployment within the window opening.
  • a shade assembly for shading a window opening comprising (a) two panes of transparent material disposed substantially parallel with a space therebetween forming a double pane sealed around its perimeter; (b) a light blocking fluid deployable within the space and retractable from within the space, the double pane having at least one opening in an edge thereof for the deployment and retraction of the fluid; (c) a reservoir for containing the fluid in fluid communication with the opening; and (d) a pump for deploying and retracting fluid; the shade assembly being for deployment within the window opening.
  • a motor vehicle having installed therein a shade assembly for shading at least one window comprising (a) two panes of transparent material disposed substantially parallel with a space therebetween forming a double pane; and (b) a light blocking member deployable within the space and retractable from within space.
  • a method of shading a window opening in a motor vehicle comprising (a) deploying within the window opening a shading assembly comprising two panes of transparent material disposed substantially parallel with a space therebetween forming a double pane; a light blocking member deployable within the space and retractable from within the space; and a mechanism for deploying and retracting the light blocking member; and (b) deploying the light blocking member within the space.
  • the shade assembly further comprises a storage unit for stowing the light blocking member when the light blocking member is retracted.
  • the double pane is for replacing a window unit within the window opening.
  • the window opening is in a building.
  • the window opening is in a motor vehicle.
  • the light blocking member is partially translucent.
  • the light blocking member is a film.
  • the film is flexible.
  • the film is a mesh.
  • the film is formed of at least one material of the group consisting of a plastic, a rubber, a polymer, a polycarbonate and a metal.
  • the storage unit comprises two guide tracks extending in parallel from said at least one open edge, said guide tracks being of sufficient length to contain said light blocking member when said light blocking member is in a retracted position, said guide tracks being oriented to guide the deployment and retraction of said film.
  • the guide tracks are pivotable relative to the double pane.
  • the light blocking member is partially deployable to create a partially translucent state.
  • the shade assembly further comprises an air pump for aiding in deploying and retracting the fluid.
  • the shade assembly is in a building.
  • the shade assembly is in a motor vehicle.
  • the fluid is mercury.
  • the fluid is substantially opaque.
  • the fluid is partially translucent.
  • the pump is powered by a motor.
  • the fluid is partially deployable to create a partially translucent state.
  • the present invention successfully addresses the shortcomings of the presently known configurations by providing a versatile double pane shading assembly that may be effectively used within a motor vehicle.
  • FIG. 1 b is a diagrammatic illustration of the shade assembly of FIG. 1 a in a different orientation
  • FIGS. 2 a and 2 b are diagrammatic illustrations of the drive mechanism of the shade assembly of FIG. 1 a;
  • FIG. 3 is a diagrammatic illustration of the shade assembly of FIG. 1 a installed in a building
  • FIGS. 4 a , 4 b and 4 c are diagrammatic illustrations of the shade assembly of FIG. 1 a installed in a motor vehicle in different states of deployment;
  • FIGS. 5, 6, 7 , 8 and 9 are diagrammatic illustrations of different installation alternatives of the shade assembly of FIG. 1 a;
  • FIG. 10 is a diagrammatic illustration of a shade assembly constructed in accordance with an alternative embodiment of the present invention.
  • FIG. 11 is a diagrammatic illustration of the shade assembly of FIG. 10 installed in a motor vehicle
  • FIG. 12 is a diagrammatic illustration of a shade assembly constructed in accordance with a further alternative embodiment of the present invention.
  • FIG. 13 is a diagrammatic illustration of the shade assembly of FIG. 12 installed in a motor vehicle
  • FIG. 14 is a diagrammatic illustration of a shade assembly constructed in accordance with a yet further alternative embodiment of the present invention.
  • FIG. 15 is a diagrammatic illustration of the shade assembly of FIG. 14 installed in a motor vehicle.
  • FIG. 16 is a flow chart illustrating the method of the present invention.
  • the present invention is of a window shade assembly comprising a light blocking member deployable within the space between the two panes of a double pane window.
  • FIG. 1 shows a shade assembly in accordance with the teachings of the present invention, which is referred to hereinbelow as shade assembly 10 .
  • Shade assembly 10 is for shading a window opening in a building, such as a residence, office or other inhabited space, or in a motor vehicle.
  • the window opening in which shade assembly 10 is deployed is hereinafter referred to as window opening 11 , irrespective of its nature or location. Accordingly, shade assembly 10 is installable in window opening 11 in place of an existing window unit or on the inside of an existing window unit or on the outside of an existing window unit.
  • shade assembly 10 replaces an existing static window unit that does not open, such as is found in climate controlled buildings or motor vehicle windshields and rear windows. According to an alternative embodiment, shade assembly 10 also replaces a translating window unit that raises and lowers to allow air entry, in which case shade assembly 10 will also be capable of raising and lowering to allow the entry of air. Such an embodiment is described hereinafter.
  • Shade assembly 10 includes two panes of transparent material disposed substantially parallel with a uniform distance therebetween, forming a double pane, hereinafter referred to as pane 12 .
  • pane 12 Such double glazing is well known and commonly in use, particularly where thermal insulation is needed.
  • the transparent material of pane 12 may be any glazing material desired according to the application. Although glass is a common and preferred glazing material, pane 12 may incorporate any glazing materials of any thickness desired, provided that it is appropriate to the specific application.
  • Pane 12 is formed with a space, hereinafter referred to as space 14 , between the two panes.
  • the two panes of pane 12 are preferably joined around their perimeter. According to the preferred embodiment, it is not essential that the joint be sealed, rather it is necessary that the two panes simply be held in a stable manner in parallel at their edges, with space 14 substantially unobstructed. Such joining may be accomplished in many ways, including by fusing a spacer between the panes around the perimeter or by enclosing pane 12 within a perimeter frame which serves to retain the panes the desired distance apart.
  • pane 12 has at least one edge open in communication with space 14 .
  • This open edge is hereinafter referred to as opening 16 . Accordingly, the edges of the two panes at opening 16 will not be joined in any fashion nor contained within a frame. In the majority of applications, pane 12 will be shaped as a four sided polygon oriented substantially vertically with opening 16 as its lower edge.
  • Shade assembly 10 includes a light blocking member, which, according to the preferred embodiment, is a film, hereinafter referred to as film 18 .
  • Film 18 is deployable within space 14 to prevent or impede the passage of light through pane 12 and is retractable to end the shading effect and restore full translucency to pane 12 .
  • Film 18 is preferably fabricated of plastic, rubber, polymer, polycarbonate or metal.
  • the specific composition of film 18 is not a material element of the invention, provided that film 18 has the required degree of flexibility to deploy and retract as needed. It is understood that the various applications to which shade assembly 10 will be applied may require different degrees of flexibility. Therefore, the material of film 18 may vary according to the flexibility required by the specific embodiment.
  • Film 18 may have varying degrees of opacity and translucency, according to desire. In some applications, such as in a motor vehicle windshield, a totally opaque, ultra-violet blocking effect will be desired, whereas within an inhabited building, a certain degree of shading may be desirable. Accordingly, film 18 may be a mesh or a screen or any other appropriately translucent material.
  • film 18 may have additional uses such as to provide one way visibility such that a person within the building or motor vehicle may see out while those outside may not see in; to add a decorative effect to the window by being colored or bearing a design; or to include a commercial element such as advertising. It is appreciated that film 18 is a versatile element subject to many forms and uses.
  • Shade assembly 10 also includes a storage unit for stowing film 18 when it is retracted, hereinafter referred to as storage unit 20 .
  • storage unit 20 comprises two guide tracks oriented in parallel and a connecting member, hereinafter referred to collectively as guide 21 , constituting a left guide 21 a , a right guide 21 b and a connecting member 21 c .
  • Left guide 21 a and right guide 21 b are positioned such that they extend from the sides of pane 12 perpendicularly from opening 16 .
  • Connecting member 21 c is attached therebetween at the distal ends of guides 21 a and 21 b in order to retain guides 21 a and 21 b in parallel orientation.
  • Guide 21 is preferably formed of a rigid and durable material.
  • Left guide 21 a and right guide 21 b preferably have “U” shaped profiles oriented such that the interior of each “U” is facing one another, thus forming a continuous guide channel for the movement of film 18 such that film 18 may move unimpeded from space 14 into and out of guide 21 .
  • storage unit 20 will form a continuous plane with pane 12 , such as when shade assembly 10 is installed in window opening 11 in a building with a straight vertical wall and guide 21 is positioned within the wall structure adjacent to window opening 11 .
  • storage unit 20 may be positioned along the hood, trunk lid or ceiling and therefore not in the same plane as pane 12 .
  • pane 12 and shade assembly 10 will be fixed in an angular position relative to one another.
  • pane 12 and storage unit 20 will require a variable angle therebetween in order to accommodate the raising and lowering of the hood so that guide 21 doesn't impede access to the engine when the hood is open. Accordingly, storage unit 20 will be pivotally attached to pane 12 at pivot point 19 , allowing storage unit 20 to pivot relative to pane 12 according to the requirements of its deployment.
  • Guide tracks 21 a and 21 b will preferably be of sufficient length to contain film 18 such that film 18 is completely out of space 14 or is not visible in pane 12 when film 18 is in a retracted position.
  • FIGS. 2 a and 2 b are diagrammatic illustrations of the drive mechanism of shade assembly 10 , hereinafter referred to as mechanism 22 .
  • Shade assembly 10 comprises mechanism 22 for deploying and retracting film 18 from within space 14 .
  • the elements of mechanism 22 are located within the confines of guide 21 .
  • FIG. 2 a shows mechanism 22 removed from guide 21 in order to provide visibility to all of its elements.
  • FIG. 2 b shows mechanism 22 within guide 21 , with portions in phantom lines in order to show their position and orientation.
  • Mechanism 22 includes a motor, hereinafter referred to as motor 24 , which is preferably a DC electric motor suitable for motor vehicle current or may be an AC electric motor for installation within buildings. The voltage may vary depending upon location. Motor 24 will preferably include an integral speed reducing means such that the speed of rotation is appropriately slow. Many small motors for many different purposes are commercially available and the precise nature and size of motor 24 is not a material feature of the invention.
  • Motor 24 is preferably wired and switched such that its rotating shaft, hereinafter referred to as drive shaft 28 , rotates clockwise and counter clockwise.
  • Motor 24 is preferably disposed within or adjacent to connecting member 21 c , oriented such that drive shaft 28 extends in both directions from motor 24 parallel to connecting member 21 c .
  • Drive shaft 28 extends substantially to the ends of connecting member 21 c and inserts within the “U” shaped channels of guides 21 a and 21 b .
  • Positioned on each end of drive shaft 28 are drive pulleys 30 which drive belts 32 .
  • pulleys 34 Positioned toward the upper ends of guides 21 a and 21 b and rotationally affixed thereto are corresponding pulleys 34 , which are respectively positioned coplanularly with drive pulleys 30 such that they may be driven by belts 32 . Accordingly, pulleys 30 , belts 32 and pulleys 34 move within the same plane and are preferably disposed within the “U” shaped channels of guides 21 a and 21 b . It is appreciated that the function of pulleys 30 and 34 and belts 32 may be carried out by corresponding sprockets and chains, cables and other rotational elements, or other similar mechanisms.
  • film 18 is shown extending from opening 16 into guide 21 and terminating a short distance from connecting member 21 c .
  • the lower terminal end of film 18 is preferably fitted with a rigid rod, hereinafter referred to as rod 36 , extending from within the channel of guide 21 a to within the channel of guide 21 b beyond the plane formed by pulleys 30 and 34 and belts 32 .
  • Affixed to each of belts 32 is a holding device such as a ring, hereinafter referred to as rings 40 , for securing each end of rod 36 to a fixed position relative to belts 32 such that when belts 32 move, force is exerted against rod 36 .
  • the nature of the holding device is not a material element and any holding device will suffice provided that it secures rod 36 to the designated location on belts 32 . Accordingly, the movement of belts 32 causes the movement of rod 36 and with it film 18 .
  • Motor 24 will preferably have a reversible switch such that it may be controlled by a user to rotate in either direction. Rotating in one direction will cause rings 40 on belt 32 to move toward opening 16 , thereby pulling rod 36 toward opening 16 , thus pushing film 18 into space 14 . Rotating in the opposite direction will cause rings 40 on belt 32 to move away from opening 16 , thereby pulling rod 36 away from opening 16 , thus pulling film 18 out of space 14 .
  • Mechanism 22 will further comprise a pair of micro switches 42 affixed to guide 21 in order to stop the movement of motor 24 when tripped.
  • One micro switch 42 is positioned where it will be tripped by rod 36 when rod 36 is at its most extended position, thus stopping the retraction movement of film 18 when it substantially reaches the distal end of guide 21 .
  • the other micro switch 42 is positioned where it will be tripped by rod 36 when rod 36 is at its most proximal location relative to opening 16 , thus stopping the deployment movement of film 18 when it substantially reaches the distal end of space 14 .
  • mechanism 22 may preferably be connected to any alarm system that may be installed within a building or motor vehicle, such that tampering with shade assembly 10 will actuate the alarm, or tampering with the window, building or motor vehicle itself will activate shade assembly 10 causing it to shade or unshade the window as may be desired.
  • shade assembly 10 When shade assembly 10 is installed in a motor vehicle, mechanism 22 may preferably be actuatable in conjunction with the operable elements of the motor vehicle in order to provide safety or security, for example, by shading the windows only when the transmission is in “neutral” or “park”. All such actuation methods or uses are contemplated as being within the scope of the present invention.
  • mechanism 22 will preferably push film 18 into space 14 in order to deploy it and pull film 18 out of space 14 in order to retract it. It is understood that other deployment mechanisms may be employed which pull film 18 into space 14 for deployment and push film 18 out of space 14 for retraction, or deploy and retract it in different manners. Many different deployment mechanisms are known in the art for deploying different shading elements between the panes of double glazed windows. For example, U.S. Pat. No. 6,086,133 shows a mechanism that includes parallel threaded rods that rotate causing holders fixed on nuts threaded on the rods to move with respect to the rods according to the direction of rotation.
  • Any of such mechanisms that may be effective in deploying and retracting film 18 may be applied to shade assembly 10 without detracting from the novelty of the present invention.
  • the described mechanism 22 is a simple and effective drive mechanism and it is appreciated that it is not the only drive mechanism that may be applied.
  • FIG. 3 is a diagrammatic illustration of shade assembly 10 installed in a wall of a building 44 . Shown is pane 12 with film 18 approximately 80% deployed therein. Storage unit 20 is shown in phantom lines hidden within the wall structure beneath window 11 .
  • FIGS. 4 a , 4 b and 4 c are diagrammatic illustrations of shade assembly 10 installed in the windshield 45 of a motor vehicle 46 in different states of deployment. Shown in all three figures is pane 12 in identity with windshield 45 , film 18 in various stages of deployment, and storage unit 20 in phantom lines under the hood of motor vehicle 46 .
  • FIG. 4 a shows film 18 fully retracted.
  • FIG. 4 b shows film 18 partially deployed.
  • FIG. 4 c shows film 18 fully deployed. It is observed that storage unit 20 is stowed adjacent to the underside of the hood of motor vehicle 46 and is therefore not in the same plane as pane 12 .
  • pane 12 As described hereinbefore, it is necessary that storage unit 20 be capable of pivoting relative to pane 12 as the hood of motor vehicle 46 is opened and closed so that storage unit 20 does not impede access to the engine of motor vehicle 46 . It is understood that in such embodiments in which pane 12 replaces an exterior window of a motor vehicle, pane 12 must meet all applicable safety and optical standards.
  • FIGS. 5, 6 and 7 are diagrammatic illustrations of different installation alternatives of shade assembly 10 . Shown in all three figures is pane 12 installed to shade rear window 47 , with film 18 in partial deployment, and with storage unit 20 in phantom lines stored under the trunk lid of motor vehicle 46 .
  • FIGS. 5, 6 and 7 respectively show shade assembly 10 installed with pane 12 on the inside of an existing window unit, on the outside of an existing window unit and in place of an existing window unit. It is understood that the three different dispositions shown are applicable to any window opening 11 in which shade assembly 10 is installed.
  • FIG. 5 shows pane 12 disposed outside of and adjacent to rear window 47 .
  • pane 12 will be strongly attached to either rear window 47 or to the body of motor vehicle 46 surrounding rear window 47 so that it does not detach therefrom as a result of driving agitation or wind forces.
  • the body of motor vehicle 46 must be modified to provide for an opening sufficiently large to allow pane 12 to pass therethrough in order to lie adjacent to the outside of rear window 47 .
  • FIG. 6 shows pane 12 in identity with rear window 47 . In such a disposition, pane 12 serves as rear window 47 .
  • FIG. 7 shows pane 12 disposed inside of and adjacent to rear window 47 .
  • storage unit 20 be capable of pivoting relative to pane 12 as the trunk lid of motor vehicle 46 is opened and closed so that storage unit 20 does not impede access to the trunk of motor vehicle 46 .
  • FIGS. 8 and 9 show further installation alternatives of shade assembly 10 in a motor vehicle. Both figures show shade assembly 10 disposed on the ceiling 48 of motor vehicle 46 , with phantom lines showing the location of storage unit 20 and with film 18 partially deployed.
  • FIG. 8 shows pane 12 in identity with windshield 45 and
  • FIG. 9 shows pane 12 in identity with rear window 47 .
  • storage unit 20 is in an angular orientation with respect to pane 12 .
  • FIG. 10 shows an alternative embodiment of shade assembly 10 which is particularly applicable for installations in which pane 12 replaces a window unit that opens and closes by raising and lowering into a window opening, such as the side windows of motor vehicles.
  • the illustrated alternative embodiment is similar to the preferred embodiment illustrated in FIGS. 1 and 2 and employs the majority of the elements of storage unit 20 and drive mechanism 22 . Therefore, where the alternative embodiment shown in FIG. 10 includes the same parts as shown in FIGS. 1 and 2, the same numbers are used in FIG. 10.
  • shade assembly 10 may preferably include an identical pane 12 and mechanism 22 as is included in the preferred embodiment.
  • pane 12 is not attached to storage unit 20 , as provided in the preferred embodiment. Rather, pane 12 will not be pivotally or otherwise connected to guide 21 , but will fit within guide 21 .
  • Guide 21 will be configured sufficiently wide between the legs of its “U” profile such that pane 12 may move up and down the channel formed by the opposite guides 21 a and 21 b . The presence of pane 12 within guide 21 need not interrupt nor disturb the operation of mechanism 22 .
  • both film 18 and pane 12 will move up and down within guide 21 , with film 18 oriented such that it slides into and out of space 14 as needed by the relative positions of pane 12 and film 18 .
  • film 18 may be in its deployed state within space 14 or in its retracted state stowed within guide 21 .
  • pane 12 When pane 12 is in its down or open state, film 18 must be in its retracted state within guide 21 , but pane 12 will have descended also within guide 21 and will fit over film 18 such that film 18 is within space 14 even while retracted.
  • pane 12 and film 18 require drive mechanisms for their respective movements.
  • Pane 12 which replaces the window unit, will preferably be operable by the existing window drive mechanism which normally operates the window unit.
  • Film 18 may be operable by mechanism 22 , as shown in the preferred embodiment. It is appreciated that the respective drive mechanisms may be combined in various aspects or one or the other of the two drive mechanisms may be modified to operate both pane 12 and film 18 .
  • Such drive mechanisms that operate a plurality of parallel moving members are known in the art.
  • the electrical system of mechanism 22 must be modified in order to provide for this difference in operation from the preferred embodiment.
  • film 18 must be prevented from deploying when pane 12 is in the down or open position.
  • moving pane 12 down must also cause film 18 to retract. Both of such requirements may be met by simple switching arrangements that are well known in the art and commonly in use.
  • FIG. 11 shows the alternative embodiment of FIG. 10 installed in a side window of motor vehicle 46 . Shown is pane 12 partially raised with film 18 deployed therein. Storage unit 20 is shown in phantom lines within the door of motor vehicle 46 .
  • FIG. 12 shows an alternative embodiment of shade assembly 10 which is particularly applicable for installations in which there is not sufficient space to accommodate storage unit 20 in the form of guide 21 , which extends from pane 12 , effectively doubling its size.
  • Such an embodiment may be installed below windshields or rear windows or within doors of motor vehicles to shade the side windows.
  • storage unit 20 comprises a roller, hereinafter referred to as roller 50 , for containing film 18 in its retracted state rather than the extending guide 21 of the preferred embodiment.
  • roller 50 a roller for containing film 18 in its retracted state rather than the extending guide 21 of the preferred embodiment.
  • the illustrated alternative embodiment remains similar to the preferred embodiment illustrated in FIGS. 1 and 2 in many respects and employs the majority of the elements of drive mechanism 22 . Therefore, where the alternative embodiment shown in FIG. 12 includes the same parts as shown in FIGS. 1 and 2, the same numbers are used in FIG. 12.
  • roller 50 will preferably be disposed below motor 24 and drive shaft 28 , oriented with its axis parallel to drive shaft 28 and to opening 16 of pane 12 . Roller 50 will be so positioned that film 18 will be deployed from roller 50 into space 14 and retracted from space 14 on to roller 50 without impediment. Accordingly, roller 50 will preferably be located close to and aligned with opening 16 .
  • Roller 50 will rotate about an axial shaft 51 which will preferably be supported on both ends by guide 21 (not shown) which are positioned adjacent to the sides of pane 12 , rather than extending from the sides of pane 12 as is shown in Figure. Accordingly, the same mechanism 22 of the preferred embodiment may be employed in the alternative embodiment with only slight modification. According to this alternative embodiment, motor 24 and drive shaft 28 with pulleys 30 thereon are the same and remain supported by guide 21 (not shown). The remainder of mechanism 22 , specifically pulleys 34 and belts 32 , will similarly be disposed within guide 21 which is positioned adjacent to the sides of pane 12 .
  • rod 36 is attached at the top end of film 18 rather than at the bottom end of film 18 .
  • Rod 36 must pass into space 14 and extend beyond the sides of pane 12 in order to engage rings 40 of mechanism 22 , which is now positioned adjacent to the sides of pane 12 . Therefore, according to the alternative embodiment, the sides of pane 12 are provided with longitudinal slots 52 such that rod 36 may extend therethrough order to move with respect to pane 12 as propelled by rings 40 . It is appreciated that according to the alternative embodiment, rod 36 pulls film 18 into space 14 upon deployment and pushes film 18 out of space 14 upon retraction.
  • an electromagnet may preferably be disposed in the distal end of space 14 and rod 36 may be formed of a ferrous metal in order to create a magnetic force that will assist in the deployment of film 18 .
  • roller 50 may preferably be provided with a coiled spring which is tensioned by the rotation of roller 50 in the direction of the deployment of film 18 , thus storing energy which assists in the retraction of film 18 .
  • springs are commonly in use in window shades and other applications.
  • FIG. 13 shows the alternative embodiment of FIG. 12 installed in a rear window of motor vehicle 46 . Shown is pane 12 with film 18 partially deployed therein. Roller 50 is shown in phantom lines below pane 12 .
  • shade assembly 10 which is particularly applicable for installations in which the window unit is irregularly shaped or curved.
  • shade assembly 10 comprises pane 12 , similar in configuration and materials to pane 12 of the preferred embodiment, but sealed around its perimeter such that it retains fluid within space 14 without leakage.
  • shade assembly 10 comprises a light blocking fluid, hereinafter referred to as fluid 60 , that is deployable within space 14 in order to block the passage of light through pane 12 .
  • Fluid 60 has certain required properties that enable it to function effectively in the described application. First, it must have a certain degree of opacity/translucency according to desire. In some applications, such as in a motor vehicle windshield, a totally opaque, ultra-violet blocking effect will be desired, whereas within an inhabited building, a certain degree of shading may be desirable. Accordingly, fluid 60 may be totally impervious to light passage or it may be slightly “smoky”, “milky” or colored in order to provide the desired degree of translucency and/or visibility.
  • Adhesion is herein defined to mean the propensity of a fluid to adhere to a body with which it comes into contact. Fluids are often differentiated by their ratio of adhesive force/cohesive force. For example, highly volatile fluids like alcohols typically have high adhesive force and low cohesive force. Thus, a quantity of such a fluid coming into contact with an object will not stick together but will adhere and spread widely on the surface of the object Conversely, a fluid like mercury has extremely high cohesive force and low adhesive force.
  • a quantity of mercury that comes into contact with an object will tend to stick together rather than disperse or adhere to the object.
  • Further measures that may be taken to avoid residual deposits of fluid 60 within space 14 include coating the inside surface of space 14 with a substance that is inherently non adhesive, such as TEFLONTM, or coating the surface of space 14 with a charged substance and selecting an ionized fluid 60 that will be repelled by the coating, or fabricating pane 12 of water repellant glass and selecting a water-based fluid 60 .
  • fluid 60 must be capable of withstanding the high temperatures produced by sunlight without evaporating.
  • fluid 60 must have an appropriate viscosity such that it may be deployed by pumping into space 14 and retracted by vacuum or by air pressure from space 14 .
  • an effective fluid 60 to serve as a light blocking fluid is mercury.
  • Additional fluids that may be used include oil based, water based or antifreeze based fluids in conjunction with appropriate repellent coatings on the interior surfaces of space 14 . It is appreciated that the specific fluid serving as fluid 60 is not a material element of the invention and any fluid that exhibits the required properties and that may be deployed into space 14 and retracted therefrom without a residue may be used.
  • shade assembly 10 further comprises a reservoir, hereinafter referred to as reservoir 62 , for containing fluid 60 .
  • Reservoir 62 may be of any shape required in order to fit into the space provided for it and may be made of any durable material impervious to disintegration or dissolution as a result of contact with fluid 60 .
  • Reservoir 62 will be in fluid communication with space 14 via fluid tube 66 which is in fluid communication with space 14 via at least one opening in pane 12 , hereinafter referred to as opening 64 .
  • Opening 64 is preferably located on a bottom edge of pane 12 in order to allow gravity to aid in the retraction of fluid 60 from space 14 .
  • shade assembly 10 further comprises a fluid pump, hereinafter referred to as pump 68 , which is interposed within fluid tube 66 for deploying fluid 60 by pumping fluid 60 from reservoir 62 into space 14 and for retracting fluid 60 by pumping fluid 60 from space 14 into reservoir 62 .
  • pump 68 a fluid pump
  • Many suitable manual and powered fluid pumps are commercially available for two-way transfer of fluids from one container to another.
  • the specific pump selected as pump 68 is not a material element of the present invention.
  • Pump 68 is preferably powered by an electric motor (not shown) which is preferably a DC electric motor suitable for motor vehicle current or may be an AC electric motor for installation within buildings.
  • the precise nature and size of the electric motor is not a material feature of the invention provided that it is suitable for activating pump 68 .
  • shade assembly 10 further comprises an air pump, hereinafter referred to as pump 70 , which is in fluid communication with space 14 via an opening 72 in pane 12 .
  • Pump 70 is useful in the retraction of fluid 60 by causing positive pressure within space 14 to exert force on fluid 60 and assist the pumping action of pump 68 .
  • Pump 70 is also preferably reversible such that it is operable to remove air from within space 14 to aid in the deployment of fluid 60 .
  • No specific air pump is designated as pump 70 as many small capacity pumps are commercially available that will serve the function of pump 70 .
  • Opening 72 is preferably located on a top edge of pane 12 so that it will not be blocked as fluid 60 enters space 14 . Moreover, in instances in which pump 68 retracts fluid 60 from space 14 without the aid of pump 70 , opening 72 so located will serve as a pressure equalizer so that air may enter to replace the retracted fluid 60 .
  • a motor vehicle may have multiple window units of shade assembly 10 to be shaded according to the above described alternative embodiment. Accordingly, it is within the scope of the present invention to equip motor vehicle 46 with a system which includes a common reservoir 62 , a common fluid pump 68 and a common air pump 70 for deploying and retracting fluid 60 within each window unit to be shaded.
  • fluid tube 66 will necessarily comprise a network of fluid tubes 66 leading from the common pump 68 to each window, and air pump 70 will similarly have a network of air tubes 74 leading to each separate window unit. It is understood that each network of fluid tubes 66 and air tubes 74 will necessarily require careful and intricate valving to assure the passage of fluid and air to the desired window unit.
  • FIG. 15 shows the alternative embodiment of FIG. 14 installed in a rear window of motor vehicle 46 . Shown is pane 12 with fluid 60 partially deployed therein. Reservoir 62 , pump 68 , fluid tube 66 , air pump 70 and air tube 74 are shown in phantom lines below pane 12 .
  • FIG. 16 shows a flow chart illustrating a method of shading a window opening in a motor vehicle, hereinafter referred to as method 80 .
  • Method 80 comprises the following steps:
  • Step 1 Deploying within a window opening in a motor vehicle a shading assembly comprising a double pane formed of two panes of transparent material disposed substantially parallel with a space therebetween, and a light blocking member deployable within the space and retractable from within the space.
  • Step 2 Deploying the light blocking member within the space of the double pane.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Window Of Vehicle (AREA)
US10/230,366 2002-08-29 2002-08-29 Device and method for shading a window Abandoned US20040040672A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/230,366 US20040040672A1 (en) 2002-08-29 2002-08-29 Device and method for shading a window
PCT/IL2003/000704 WO2004020235A2 (fr) 2002-08-29 2003-08-28 Dispositif et procede pour l'utilisation d'un store sur une fenetre
AU2003256034A AU2003256034A1 (en) 2002-08-29 2003-08-28 Device and method for shading a window

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/230,366 US20040040672A1 (en) 2002-08-29 2002-08-29 Device and method for shading a window

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US20040040672A1 true US20040040672A1 (en) 2004-03-04

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US10/230,366 Abandoned US20040040672A1 (en) 2002-08-29 2002-08-29 Device and method for shading a window

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US (1) US20040040672A1 (fr)
AU (1) AU2003256034A1 (fr)
WO (1) WO2004020235A2 (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050121943A1 (en) * 2003-12-05 2005-06-09 Wagon Sas Device for obturation of an aperture for an automobile vehicle, method of manufacture and corresponding vehicle
US20050157354A1 (en) * 2004-01-21 2005-07-21 Canon Kabushiki Kaisha Image reading apparatus and image printing apparatus using the same
US6942001B1 (en) * 2003-09-04 2005-09-13 Grantlin, Inc. Magnetic sealing apparatus for portal covering
ES2284420A1 (es) * 2007-07-10 2007-11-01 Plastico Vivo,S .L. Sistema de filtrado de energia solar para cristales.
US20080041540A1 (en) * 2006-08-15 2008-02-21 Xinia Li Retractable window shade
US20080110580A1 (en) * 2006-11-14 2008-05-15 Rite-Hite Holding Corporation Insulated curtain for a door
US20080148638A1 (en) * 2006-12-26 2008-06-26 Aerospace Technologies Group, Inc. Motorized window shade
US20090021051A1 (en) * 2007-07-20 2009-01-22 Brown Steve H Window assembly for a utility terrain vehicle
US7686375B1 (en) 2008-11-13 2010-03-30 Nissan Technical Center North America, Inc. Vehicle window sunshade assembly
US8113265B2 (en) 2009-03-02 2012-02-14 Rite-Hite Holding Corporation Washdown door
US8342227B2 (en) 2010-08-27 2013-01-01 Honda Motor Co., Ltd. Sunshade
US8616610B1 (en) * 2012-06-12 2013-12-31 Abel Martinez Motorized automobile sunshade visor (moto-auto visor) super deluxe, deluxe, and basic model
DE102016007753A1 (de) 2016-09-22 2018-03-22 Ahmed Osmanovic A.s.r. automatische sonnenblenden regulierung
US10071617B1 (en) * 2017-03-07 2018-09-11 Ford Global Technologies, Llc Vehicle roof shade
US20190001794A1 (en) * 2017-06-28 2019-01-03 Michael Gonzalez Vehicle window shade system
US20190255918A1 (en) * 2018-02-21 2019-08-22 Ford Global Technologies, Llc Apparatus and method for shielding an occupant from sunlight passing through side windows of a motor vehicle
US20190275975A1 (en) * 2018-03-08 2019-09-12 Chun-Nan Liu Vehicle window structure for preventing person from being thrown out
US20210138879A1 (en) * 2019-11-08 2021-05-13 Mockstar, Inc. Uv protection screen for vehicles
US11413941B2 (en) * 2020-07-09 2022-08-16 Hyundai Motor Company Electric window shade apparatus for vehicle

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Publication number Priority date Publication date Assignee Title
US8365798B2 (en) 2008-05-27 2013-02-05 Steelcase Inc. Privacy screen assembly
DE202008015917U1 (de) * 2008-12-02 2010-04-22 Inalfa Roof Systems Group B.V. Scheibenanordnung

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GB953589A (en) * 1961-08-22 1964-03-25 Henry James Hendra Double glazed window sash with internal roller blind
DE8710926U1 (de) * 1987-08-11 1987-10-15 Ruppert, Hans, Dipl.-Ing., 7320 Göppingen Vorrichtung zur Verminderung der Wärmezufuhr durch Strahlung und Konvektion am Heckfenster eines Kraftfahrzeugs
DE3905503C1 (en) * 1989-02-23 1990-07-05 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De Sun-shielding device for double-glazed window panes of vehicles
DE4107943A1 (de) * 1991-03-13 1992-09-17 Agot Eric Joel Fluessigkeit-rollo
DE19943243A1 (de) * 1999-09-10 2001-04-05 Daimler Chrysler Ag Sonnenschutzeinrichtung für Fensterscheiben von Fahrzeugen

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6942001B1 (en) * 2003-09-04 2005-09-13 Grantlin, Inc. Magnetic sealing apparatus for portal covering
US7086682B2 (en) * 2003-12-05 2006-08-08 Wagon Sas Device for obturation of an aperture for an automotive vehicle
US20050121943A1 (en) * 2003-12-05 2005-06-09 Wagon Sas Device for obturation of an aperture for an automobile vehicle, method of manufacture and corresponding vehicle
US20050157354A1 (en) * 2004-01-21 2005-07-21 Canon Kabushiki Kaisha Image reading apparatus and image printing apparatus using the same
US7529000B2 (en) * 2004-01-21 2009-05-05 Canon Kabushiki Kaisha Image reading apparatus and image printing apparatus using the same
US7493933B2 (en) 2006-08-15 2009-02-24 Li Xinian Retractable window shade
US20080041540A1 (en) * 2006-08-15 2008-02-21 Xinia Li Retractable window shade
US20080110580A1 (en) * 2006-11-14 2008-05-15 Rite-Hite Holding Corporation Insulated curtain for a door
US7690414B2 (en) * 2006-12-26 2010-04-06 Aerospace Technologies Group, Inc. Motorized window shade
US20080148638A1 (en) * 2006-12-26 2008-06-26 Aerospace Technologies Group, Inc. Motorized window shade
ES2284420A1 (es) * 2007-07-10 2007-11-01 Plastico Vivo,S .L. Sistema de filtrado de energia solar para cristales.
US20090021051A1 (en) * 2007-07-20 2009-01-22 Brown Steve H Window assembly for a utility terrain vehicle
US7686375B1 (en) 2008-11-13 2010-03-30 Nissan Technical Center North America, Inc. Vehicle window sunshade assembly
US8113265B2 (en) 2009-03-02 2012-02-14 Rite-Hite Holding Corporation Washdown door
US8342227B2 (en) 2010-08-27 2013-01-01 Honda Motor Co., Ltd. Sunshade
US8616610B1 (en) * 2012-06-12 2013-12-31 Abel Martinez Motorized automobile sunshade visor (moto-auto visor) super deluxe, deluxe, and basic model
DE102016007753A1 (de) 2016-09-22 2018-03-22 Ahmed Osmanovic A.s.r. automatische sonnenblenden regulierung
US10071617B1 (en) * 2017-03-07 2018-09-11 Ford Global Technologies, Llc Vehicle roof shade
US20190001794A1 (en) * 2017-06-28 2019-01-03 Michael Gonzalez Vehicle window shade system
US20190255918A1 (en) * 2018-02-21 2019-08-22 Ford Global Technologies, Llc Apparatus and method for shielding an occupant from sunlight passing through side windows of a motor vehicle
US10486502B2 (en) * 2018-02-21 2019-11-26 Ford Global Technologies, Llc Apparatus and method for shielding an occupant from sunlight passing through side windows of a motor vehicle
US20190275975A1 (en) * 2018-03-08 2019-09-12 Chun-Nan Liu Vehicle window structure for preventing person from being thrown out
US10696258B2 (en) * 2018-03-08 2020-06-30 Chun-Nan Liu Vehicle window structure for preventing person from being thrown out
US20210138879A1 (en) * 2019-11-08 2021-05-13 Mockstar, Inc. Uv protection screen for vehicles
US11413941B2 (en) * 2020-07-09 2022-08-16 Hyundai Motor Company Electric window shade apparatus for vehicle

Also Published As

Publication number Publication date
WO2004020235A3 (fr) 2004-07-15
AU2003256034A8 (en) 2004-03-19
AU2003256034A1 (en) 2004-03-19
WO2004020235A2 (fr) 2004-03-11

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