EP3138988B1 - Glazing provided with a concealment curtain - Google Patents

Glazing provided with a concealment curtain Download PDF

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Publication number
EP3138988B1
EP3138988B1 EP16186827.8A EP16186827A EP3138988B1 EP 3138988 B1 EP3138988 B1 EP 3138988B1 EP 16186827 A EP16186827 A EP 16186827A EP 3138988 B1 EP3138988 B1 EP 3138988B1
Authority
EP
European Patent Office
Prior art keywords
curtain
glazing
longitudinal direction
rigidly attached
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP16186827.8A
Other languages
German (de)
French (fr)
Other versions
EP3138988A1 (en
Inventor
Hans-Werner Kuster
Marc Maurer
Walter Schreiber
Ariane WEISSLER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Priority to PL16186827T priority Critical patent/PL3138988T3/en
Publication of EP3138988A1 publication Critical patent/EP3138988A1/en
Application granted granted Critical
Publication of EP3138988B1 publication Critical patent/EP3138988B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06B9/26—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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B2009/2476—Solar cells
    • 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

Definitions

  • the present disclosure relates to a glazing unit and in particular to an insulating glazing unit (in particular a double or triple glazing unit) of the type comprising at least two transparent sheets connected to their edge by a frame.
  • an insulating glazing unit in particular a double or triple glazing unit of the type comprising at least two transparent sheets connected to their edge by a frame.
  • the present disclosure relates, more specifically, a glazing of this type equipped with an occulting device disposed in the interspace between the transparent sheets.
  • Glazing incorporating blackout devices have been developed for several years, these windows offering the advantage of being aesthetic, durable, hygienic and easy to maintain.
  • glazing units equipped with a curtain mounted around a winding axis fixed in the upper part of the glazing and around which the curtain is able to wind and unwind are known.
  • Such glazing according to the preamble of claim 1 with an integrated curtain mounted around a winding axis is known from EP 2 532 824 A2 .
  • the unwinding curtain often hit the sheets of the glazing, which, by force, can damage it.
  • the curtain sometimes remains stuck, especially when its winding / unfolding is unevenly over its width. For these reasons, existing glazing with integrated curtains is not considered to be really reliable.
  • One of the objectives of the present invention is to provide a glazing unit with an integrated blackout curtain, which is more reliable than the windows known to date.
  • a transparent body is to be understood as a body having the property of allowing light to pass through.
  • a transparent body can be really transparent (in the sense that we can clearly distinguish the objects through) or translucent.
  • a sheet is a thin and generally flat assembly, made of any transparent material or combination of suitable transparent materials, in particular glass and / or plastic.
  • the glazing according to the invention is not limited to double glazing, but can be any type of multiple glazing comprising at least the claimed structure optionally supplemented with other (transparent) layers arranged in front of one or each of two transparent sheets.
  • the interspace between the two transparent sheets forms a gas strip, generally air or a gas that is less heat-conductive than air and which makes it possible to limit the losses due to conduction or convection, for example argon or krypton.
  • the blackout curtain can be made of any material or combination of materials which makes it possible to give it occulting properties (ie reflecting or absorbing the sun's rays) on at least a part of its surface, and preferably in a distributed manner over the whole of its surface.
  • the curtain is biased in a state wrapped around the winding axis.
  • winding axis here means a material axis or winding shaft.
  • the winding curtain biasing means around this axis are either separate means of the curtain, for example at least one spring (coupled to the winding axis or the curtain), or means intrinsic to the curtain. In the latter case, it is said that the curtain is self-winding.
  • self-winding curtain is meant in the present application, a curtain which, in the absence of external stresses, is in its winding position.
  • a self-winding curtain is for example formed by superposition and heating of two layers made of materials having different thermal expansion coefficients.
  • the stress resulting from the differential expansion of the two materials constantly forces the curtain into its wound state.
  • This effect also known as the bimetallic effect, can also be obtained without heat treatment, by some particular manufacturing processes (layer deposition).
  • the self-winding curtain comprises a polyethylene terephthalate (PET) or ethylene polynaphthalate (PEN) substrate covered with a layer of metal or metal oxide, for example oxide of indium-tin (ITO).
  • PET polyethylene terephthalate
  • PEN ethylene polynaphthalate
  • ITO indium-tin
  • the longitudinal direction is the desired direction of movement of the curtain.
  • Displacement means here its translation in a given configuration (including constant length), and / or its deployment / retraction (by increasing / decreasing its length, in other words by winding / unwinding).
  • This longitudinal direction Y is generally parallel to the planes of the transparent sheets.
  • a transverse plane must also be understood as a plane orthogonal to the lateral direction.
  • the median plane of the curtain is then defined as the transverse plane passing through the middle of the curtain in the lateral direction.
  • the curtain has a first end close to the winding axis of the curtain, and a second end opposite said first end in the longitudinal direction.
  • the guide means are intended to guide the movement of the winding axis of the curtain in the longitudinal direction.
  • the curtain is stretched permanently between its two ends (on non-rolled portions).
  • the second end of the curtain is for example fixed to a support (fixed or movable) and the first end of the curtain is integral with the winding axis, itself guided in translation.
  • the curtain is thus preserved from shocks against the sheets of the glazing.
  • the first end of the curtain is fixed to the winding axis, for example by gluing, and the winding axis is rotatably mounted about its axis.
  • the guide means comprise at least one (primary) guide cable which is integral or on which is mounted movable the first end of the blackout curtain or a support assembly integral with said end.
  • the (primary) cable extends parallel to the transparent sheets, and, at least in part, parallel to the longitudinal direction.
  • the latter may for example be a so-called useful strand of a belt.
  • the end moving in solidarity with the belt, the occulting device is guided and prevented from colliding against the transparent sheets.
  • belt generally means any system comprising a band closed on itself around at least two pulleys, the band can take any suitable form (a cable, a wire, a chain, a flat strip, etc.).
  • the guide means are configured to guide the first end symmetrically on either side of the median plane of the curtain.
  • the winding axis remains permanently orthogonal to the longitudinal direction of movement of the curtain.
  • the guide means may comprise at least two (primary) guide cables.
  • the guide means comprise at least two guide cables arranged, at least in part, on either side of the median plane of the blackout curtain, and of which is integral or on which is mounted movable the first end of the curtain occulting or a support assembly secured to said end.
  • They may in particular be arranged symmetrically with respect to the median plane of the curtain.
  • the guide means comprise at least two belts adapted to be moved simultaneously and each having a useful strand forming a guide wire, the first end of the blackout curtain being integral with said useful strands.
  • the glazing may include a housing housing the winding axis of the curtain.
  • the housing can be fixed or mounted to move on said at least one cable and have a slot extending laterally and traversed by a curtain thickness.
  • the primary housing may comprise at least one guide opening adapted to the passage of a guide cable (including a cable sliding in said opening).
  • the opening guide can be used to pass a so-called passive strand of the same belt.
  • the drive means comprise a magnetic drive system, comprising at least one outer member adapted to be moved along an outer face of the glazing unit, and at least one inner member integral with one of the first and second end of the blackout curtain, the outer member and the inner member being adapted to cooperate by magnetic effect.
  • the outer and inner members are magnets.
  • one of the outer member and the inner member is a magnet, and the other is a magnetic material member.
  • magnetic material is understood to mean a material which has the property of being magnetized under the effect of an external magnetic field (for example they are elements based on iron, cobalt, nickel or their alloys. , especially steels). The outer member and the inner member are magnetically attracted to each other.
  • the user has only to move the outer member along the glazing.
  • this magnetic drive system it is no longer necessary to drill the frame of the glazing to pass power cables into the interspace.
  • the interstitial space is perfectly insulated from the outside, avoiding moisture problems inside the glazing.
  • Another solution consists in providing electric drive means comprising at least one electric motor.
  • the electric motor can be powered by a photovoltaic module, the electric motor and the photovoltaic module being both housed in the interspace of the glazing. It has been demonstrated that the energy stored by a photovoltaic module disposed in the intermediate space is largely sufficient for the actuation of the curtain, in normal use.
  • the actuating system comprises in this case a remote control system of the electric motor, for example a bluetooth system.
  • the drive means comprise a mechanical drive system comprising for example a crank disposed outside the interspace. (Accessible to the user), and in particular a crank mechanically connected, by transmission means, to at least one guide wire, the actuation of the crank driving said cable.
  • the glazing according to the invention may also comprise means for locking the first end of the curtain in the longitudinal direction.
  • These means may, if necessary, be arranged on the housing housing the winding axis of the curtain. They may for example include springs, including springs having several stop positions, or pawls.
  • the second end of the curtain opposite the first end is fixed to the frame of the glazing. In other words, the second end of the curtain can not move relative to the frame.
  • the actuating system comprises drive means of the second end of the curtain opposite the first end, in translation in the longitudinal direction, and means for guiding the second end of the curtain in translation in the longitudinal direction.
  • both ends of the curtain can thus be moved.
  • the glazing can thus be obscured on a predefined height portion, located at a distance from each longitudinal edge of the frame.
  • the user can hide only the part of the glazing that needs to be (for example to avoid being dazzled by the sun), without significantly reducing the lighting of the room.
  • the driving means of the actuating system comprise a first drive system of the first end of the device occulting in translation in the longitudinal direction and a second drive system of the second end of the device occulting in translation. in the longitudinal direction, said first and second systems being adapted to be actuated independently of one another.
  • the second drive system may for example be a magnetic system, an electrical system or a mechanical system as defined above.
  • the second end of the curtain is integral with a support assembly, and the drive means are adapted to driving said support assembly in the longitudinal direction and the guide means are adapted to guide in translation said support assembly.
  • a support assembly generally extends in the lateral direction. It includes for example an axis, a bar, a housing, or a combination of such elements.
  • the guide means of the second end comprise at least one secondary guide cable which is secured or on which is mounted movable the second end of the blackout curtain or a support assembly integral with said end.
  • the guide means of the second end are configured to guide the second end of the curtain symmetrically on either side of the median plane of the curtain.
  • the means for guiding the second end comprise at least two secondary belts adapted to be moved simultaneously and each comprising a useful strand forming a secondary guide wire, the second end of the blackout curtain being integral with said useful strands.
  • a double glazing 100 according to a first embodiment of the invention, comprising a first transparent sheet 10 and a second transparent sheet 12 parallel, here glass, spaced from one another and assembled on board by a continuous frame 14 forming a spacer, typically having a spacer 15.
  • the frame 14 delimits, between the sheets 10, 12, a spacer space 16, for example containing air, and whose sealing is ensured, in a manner well known per se, by a seal 18, in particular made of silicone, between the glass sheets 10, 12 and all around the spacer 15.
  • the interspace 16 houses a blackout curtain 20, here self-winding type, that is to say, naturally in a wound position.
  • the curtain 20 typically has a width of between 0.2 and 2 meters and a length of between 0.5 and 3 meters.
  • first layer of polyethylene terephthalate (PET) with a thickness of between 10 and 50 microns, and a second layer of metal, in particular ITO, of thickness between 50 and 500 nm.
  • first layer could also be ethylene polynaphthalate (PEN).
  • PEN ethylene polynaphthalate
  • the curtain 20 is able to be moved in a longitudinal direction or displacement Y.
  • first end 20a lower in the example shown
  • second end 20b upper in the illustrated example
  • the first end 20a of the curtain 20 is integral with a first support assembly 21 comprising a winding axis 22, for example of metal, extending in a lateral direction X orthogonal to the longitudinal direction Y, and parallel to the sheets 10 , 12 and at the longitudinal edges 14a, 14b of the frame 14.
  • a winding axis 22 for example of metal, extending in a lateral direction X orthogonal to the longitudinal direction Y, and parallel to the sheets 10 , 12 and at the longitudinal edges 14a, 14b of the frame 14.
  • integral means here integral in translation in the longitudinal direction Y.
  • the first end 20a is fixed to the winding axis, for example by screwing or, preferably, by gluing.
  • the curtain 20 is naturally in a position wound around this winding axis 22.
  • the diameter of the winding axis 22 is between 1 and 4 mm and the maximum diameter of the curtain 20 in the state wound around the axis 22, between 2 and 8 mm.
  • the first support assembly 21 also comprises a housing 50, here of parallelepipedal shape, housing the winding axis 22.
  • the housing 50 which is for example made of metal, has at its lateral ends bearings 52, in particular ball bearings, adapted to support and ensure the rotational guidance of the lateral ends of the winding axis 22.
  • the axis of winding 22 is thus rotatably mounted relative to the housing.
  • a slot 54 elongate and parallel to the winding axis 22, is formed in one of the faces of the housing 50 to allow the curtain 20 to pass.
  • the second end 20b of the curtain 20 is fixed to the frame 14, for example by gluing.
  • the second end 20b of the curtain 20 is more particularly fixed to the upper longitudinal edge 14b of the frame 14.
  • the system could however be reversed: the second end 20b of the curtain would then be fixed to the lower longitudinal edge 14a of the frame 14.
  • the first end of the curtain and its support assembly 21, are adapted to be translated in the longitudinal direction Y - orthogonal to the lateral direction X - under the effect of a drive system (first drive system) described in more detail. detail in the following, being guided in their translation by a guide system (first guide system).
  • the curtain is thus rolled up or unrolled.
  • the guidance system is shown in more detail on the figure 5 .
  • It comprises two primary belts 24, 26 each mounted around a pair of pulleys 28a, 28b, respectively 30a, 30b.
  • a lower pulley 28a, 30a and an upper pulley 28b, 30b of each primary belt 24, 26 will be designated below.
  • Each belt here is of the parallel type, that is to say provided with two parallel strands extending between the pulleys 28a, 28b; 30a, 30b, the two strands being generally defined in a transverse plane of the glazing.
  • each pulley is located near one of the longitudinal edges 14a, 14b of the frame 14, so that each belt 24, 26 extends over substantially the entire height of the glazing 100.
  • the two belts 24, 26 are defined in two transverse planes symmetrical with respect to the transverse plane of symmetry of the curtain 20.
  • the parallel guidance is thus symmetrically on both sides of the curtain, avoiding the blockages related to winding or uneven winding of the curtain in the lateral direction X.
  • the housing 50 on which is mounted the winding axis 22, is attached to a so-called useful strand 24u, 26u of each primary belt 24, 26, for example by screwing or, preferably, by gluing.
  • the housing 50 further has two pairs of guide openings 56a, 56b; 58a, 58b each adapted to the passage of a so-called passive strand 24p, 26p of each belt 24, 26 (see figures 2 and 3 ).
  • the drive system of the winding shaft is an electrical system driving the primary belts 24, 26.
  • It comprises an electric motor 40 provided with a remotely controllable control unit 42, a photovoltaic module 44, and a battery 46, housed in the interspace 16.
  • the motor 40 is arranged between the two lower pulleys 28a, 30a, each of these pulleys being assembled to the drive shaft 48.
  • the two belts 24, 26 are thus driven simultaneously by the electric motor 40.
  • the upper pulleys 28b, 30b are also assembled on a common shaft 38.
  • the shafts 38, 48 of the pulleys 28a, 28b, 30a, 30b are here mounted on a mechanical support structure 32 fixed to the spacer 15, and thus forming a portion of the frame 14.
  • the user sends to the control unit 42 of the electric motor 40 a winding or unwinding command, for example via a Bluetooth connection.
  • the electric motor 40 drives the belts 24, 26 which, when moving, cause the displacement of the winding axis 22.
  • the curtain 22 being self-winding, it remains permanently tensioned between its winding axis and the point fixing its second end. Thanks to the guidance provided by the belts 24, 26, the curtain is prevented from coming into contact with the sheets 10, 12 of the glazing, and therefore does not risk being damaged.
  • the housing 50 could for example be omitted and the winding shaft 22, attached directly to the primary belts 24, 26.
  • the occulting device is not limited to a self-winding curtain.
  • FIG 6 illustrates a glazing according to a second embodiment.
  • the elements identical to those described in connection with the previous embodiment are designated by the same reference numerals as in the figures described above. They are not described again.
  • the glazing 200 differs from that of the previous embodiment in that the drive system is a magnetic system.
  • the drive system therefore comprises an outer member 60, here a first magnet, adapted to be moved along the outer face of a sheet (here referenced 10) of the glazing, and an inner member, here a second magnet 64 fixed on the housing 50, integral with the winding axis 22 of the curtain 20.
  • the outer member 60 is slidably mounted along a rectilinear guide rod 62, extending in the longitudinal direction Y, over all or part of the height of the glazing (generally substantially its entire height).
  • the inner member 64 When the outer member 60 is moved along the sheet 10 by the user, the inner member 64 is driven integrally due to the magnetic attraction force.
  • the winding axis of the curtain 20, attached to the housing 50, is also displaced, causing the curtain to move.
  • FIG 7 illustrates a glazing according to a third embodiment.
  • the elements identical to those described in connection with the previous embodiment are designated by the same reference numerals as in the figures described above. They are not described again.
  • the glazing 300 differs from that of the previous embodiment in that the guide means of the first and second end of the blackout curtain comprise two fixed cables 124, 126, extending in the longitudinal direction Y and arranged symmetrically. on either side of the median plane of the curtain 20.
  • the housing 50 is here slidably mounted along said guide cables 124, 126.
  • the housing may optionally be provided with rollers (not shown) positioned in contact with the inner face of the sheet 10.
  • one of the outer member and the inner member could be formed of a magnetic material without being a magnet.
  • the inner member could be constituted by the housing 50, made of a magnetic material.
  • the inner member could be constituted by the winding axis, made of a magnetic material.
  • FIGS. 8 and 9 illustrate a glazing according to a fourth embodiment.
  • the elements identical to those described in connection with the first embodiment are designated by the same reference numerals as in the figures described above. They are not described again.
  • the glazing 400 differs from those of the previous embodiments in that the second end 20b of the curtain 20 is not secured to the frame 14 of the glazing, but a support assembly 70 can be translated in the longitudinal direction Y being guided in its translation by a second guide system.
  • the support assembly is a bar (hereinafter support bar), for example metallic, extending in the lateral direction X.
  • the second guide system comprises two secondary belts 74, 76 each mounted around a pair of pulleys 78a, 78b, respectively 80a, 80b.
  • a lower pulley 78a, 80a and an upper pulley 78b, 80b of each secondary belt 74, 76 will be designated below.
  • Each belt here is of the parallel type, that is to say provided with two parallel strands extending between the pulleys 78a, 78b; 80a, 80b, the two strands being generally defined in a transverse plane of the glazing.
  • the two secondary belts 74, 76 are defined in two transverse planes symmetrical with respect to the median plane of the curtain 20.
  • the support bar 70 is attached to a so-called useful strand 74u, 76u of each secondary belt 74, 76, for example by screwing or gluing.
  • the drive system of the support bar 70 (second drive system) is an electrical system driving the secondary belts 74, 76.
  • the motor 82 comprises an electric motor 82, housed in the spacer space 16.
  • the motor 82 is connected to the battery 46, itself connected to the photovoltaic module 44.
  • the motor 82 is disposed between the two upper pulleys 78a, 80a, each of these pulleys being assembled to the drive shaft 86.
  • the two belts 74, 76 are thus driven simultaneously by the electric motor 82.
  • the axes of the lower pulleys 78b, 80b are mounted on the mechanical support structure 32.
  • the motors 40 and 82 can be driven by the user, independently of one another. It is therefore possible to move only the first end, only the second end or together the two ends of the curtain, in one or the other direction, as needed.
  • the user sends control unit 42 a command to move the first and / or the second end, for example via a Bluetooth connection.
  • the curtain 22 being self-winding, it remains permanently tensioned between its winding axis 22 and the support bar 70. Thanks to the guidance provided by the belts 24, 26, 74, 76 the curtain is prevented from coming into contact with the leaves 10, 12 of the glazing, and therefore not likely to be damaged.
  • the second drive system could also be a magnetic or mechanical system.
  • the support assembly of the second end, attached to the useful strands of the belts 74, 76 could also have two pairs of guide openings each adapted to the passage of a so-called passive strand 74p, 76p of each secondary belt.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Blinds (AREA)

Description

DOMAINE TECHNIQUETECHNICAL AREA

Le présent exposé concerne un vitrage et en particulier un vitrage isolant (notamment un double ou un triple vitrage) du type comprenant au moins deux feuilles transparentes reliées à leur bord par un cadre.The present disclosure relates to a glazing unit and in particular to an insulating glazing unit (in particular a double or triple glazing unit) of the type comprising at least two transparent sheets connected to their edge by a frame.

Le présent exposé concerne, plus spécifiquement, un vitrage de ce type équipé d'un dispositif occultant disposé dans l'espace intercalaire ménagé entre les feuilles transparentes.The present disclosure relates, more specifically, a glazing of this type equipped with an occulting device disposed in the interspace between the transparent sheets.

ARRIERE-PLAN DE L'INVENTIONBACKGROUND OF THE INVENTION

La volonté constante de diminuer les dépenses énergétiques, notamment dans le domaine de la construction, a conduit au développement de vitrages permettant la régulation de l'apport de lumière et de chaleur à l'intérieur des bâtiments.The constant desire to reduce energy expenditure, particularly in the construction sector, has led to the development of glazing that regulates the supply of light and heat inside buildings.

Des vitrages intégrant des dispositifs occultants sont ainsi développés depuis plusieurs années, ces vitrages offrant l'avantage d'être esthétiques, durables, hygiéniques et faciles d'entretien.Glazing incorporating blackout devices have been developed for several years, these windows offering the advantage of being aesthetic, durable, hygienic and easy to maintain.

On connaît par exemple des vitrages équipés d'un rideau monté autour d'un axe d'enroulement fixé en partie supérieure du vitrage, et autour duquel le rideau est apte à s'enrouler et se dérouler. Un tel vitrage selon le préambule de la revendication 1 avec un rideau intégrée monté autour d'un axe d'enroulement est connu du EP 2 532 824 A2 . Avec ce type de dispositif, il a été constaté qu'en se déroulant, le rideau heurte souvent les feuilles du vitrage, ce qui, à force, peut l'endommager. Par ailleurs, le rideau reste parfois coincé, notamment lorsque son enroulement/déroulement se fait inégalement sur sa largeur. Pour ces raisons, les vitrages existants à rideaux intégrés ne sont pas considérés comme réellement fiables.For example, glazing units equipped with a curtain mounted around a winding axis fixed in the upper part of the glazing and around which the curtain is able to wind and unwind are known. Such glazing according to the preamble of claim 1 with an integrated curtain mounted around a winding axis is known from EP 2 532 824 A2 . With this type of device, it has been found that the unwinding curtain often hit the sheets of the glazing, which, by force, can damage it. In addition, the curtain sometimes remains stuck, especially when its winding / unfolding is unevenly over its width. For these reasons, existing glazing with integrated curtains is not considered to be really reliable.

OBJET ET RESUME DE L'INVENTIONOBJECT AND SUMMARY OF THE INVENTION

L'un des objectifs de la présente invention est de fournir un vitrage avec rideau occultant intégré, qui soit plus fiable que les vitrages connus à ce jour.One of the objectives of the present invention is to provide a glazing unit with an integrated blackout curtain, which is more reliable than the windows known to date.

Cet objectif est atteint avec un vitrage comprenant

  • au moins deux feuilles transparentes reliées à leur bord par un cadre, et délimitant entre elles un espace intercalaire,
  • un rideau occultant apte à être déplacé dans une direction longitudinale à l'intérieur de l'espace intercalaire, et
  • un système d'actionnement dudit rideau,
le vitrage étant caractérisé en ce qu'une première extrémité du rideau est solidaire d'un axe d'enroulement s'étendant dans une direction latérale orthogonale à la direction longitudinale, le rideau étant enroulé autour de l'axe d'enroulement, et le système d'actionnement comporte des moyens d'entraînement de la première extrémité en translation dans la direction longitudinale, et des moyens de guidage de la première extrémité en translation dans la direction longitudinale.This objective is achieved with glazing comprising
  • at least two transparent sheets connected to their edge by a frame, and delimiting between them an interspace,
  • an occulting curtain adapted to be moved in a longitudinal direction within the interspace, and
  • a system for actuating said curtain,
the glazing being characterized in that a first end of the curtain is integral with a winding axis extending in a lateral direction orthogonal to the longitudinal direction, the curtain being wound around the winding axis, and the actuating system comprises means for driving the first end in translation in the longitudinal direction, and means for guiding the first end in translation in the longitudinal direction.

Dans le présent exposé, sauf précision contraire, un corps transparent doit être entendu comme un corps ayant la propriété de laisser passer la lumière. Un corps transparent peut donc être réellement transparent (dans le sens où l'on peut distinguer nettement les objets au travers) ou translucide.In this specification, unless otherwise stated, a transparent body is to be understood as a body having the property of allowing light to pass through. A transparent body can be really transparent (in the sense that we can clearly distinguish the objects through) or translucent.

Par ailleurs, dans le présent exposé, une feuille est un ensemble mince et généralement plat, réalisé dans tout matériau transparent ou combinaison de matériaux transparents adapté(e), notamment du verre et/ou du plastique.Furthermore, in the present disclosure, a sheet is a thin and generally flat assembly, made of any transparent material or combination of suitable transparent materials, in particular glass and / or plastic.

On comprend que le vitrage selon l'invention n'est pas limité à un double vitrage, mais peut être tout type de vitrage multiple comprenant au moins la structure revendiquée éventuellement complétée d'autres couches (transparentes) disposées devant l'une ou chacune des deux feuilles transparentes.It is understood that the glazing according to the invention is not limited to double glazing, but can be any type of multiple glazing comprising at least the claimed structure optionally supplemented with other (transparent) layers arranged in front of one or each of two transparent sheets.

Typiquement, l'espace intercalaire entre les deux feuilles transparentes forme une lame de gaz, généralement de l'air ou un gaz moins conducteur de la chaleur que l'air et qui permet de limiter les pertes dues à la conduction ou à la convection, par exemple de l'argon ou du krypton.Typically, the interspace between the two transparent sheets forms a gas strip, generally air or a gas that is less heat-conductive than air and which makes it possible to limit the losses due to conduction or convection, for example argon or krypton.

Le rideau occultant peut être réalisé dans tout matériau ou combinaison de matériaux permettant de lui conférer des propriétés occultantes (i.e. réfléchissant ou absorbant les rayons du soleil) sur au moins une partie de sa surface, et de préférence de façon répartie sur l'ensemble de sa surface.The blackout curtain can be made of any material or combination of materials which makes it possible to give it occulting properties (ie reflecting or absorbing the sun's rays) on at least a part of its surface, and preferably in a distributed manner over the whole of its surface.

Le rideau est sollicité dans un état enroulé autour de l'axe d'enroulement.The curtain is biased in a state wrapped around the winding axis.

Par axe d'enroulement, on entend ici un axe matériel ou arbre d'enroulement.By winding axis, here means a material axis or winding shaft.

Les moyens de sollicitation du rideau en enroulement autour de cet axe sont soit des moyens distincts du rideau, par exemple au moins un ressort (couplé à l'axe d'enroulement ou au rideau), soit des moyens intrinsèques au rideau. Dans ce dernier cas, on dit que le rideau est auto-enroulant.The winding curtain biasing means around this axis are either separate means of the curtain, for example at least one spring (coupled to the winding axis or the curtain), or means intrinsic to the curtain. In the latter case, it is said that the curtain is self-winding.

Par rideau auto-enroulant, on entend donc, dans la présente demande, un rideau qui, en l'absence de sollicitations extérieures, se trouve dans sa position d'enroulement.By self-winding curtain, is meant in the present application, a curtain which, in the absence of external stresses, is in its winding position.

Un rideau auto-enroulant est par exemple formé par superposition puis chauffage de deux couches réalisées dans des matériaux présentant des coefficients de dilatation thermique différents. La contrainte résultant de la dilatation différentielle des deux matériaux sollicite le rideau en permanence dans son état enroulé. Cet effet, aussi connu sous le nom d'effet bilame, peut aussi être obtenu sans traitement thermique, par certains procédés de fabrication particuliers (dépôt de couche).A self-winding curtain is for example formed by superposition and heating of two layers made of materials having different thermal expansion coefficients. The stress resulting from the differential expansion of the two materials constantly forces the curtain into its wound state. This effect, also known as the bimetallic effect, can also be obtained without heat treatment, by some particular manufacturing processes (layer deposition).

Selon un exemple, le rideau auto-enroulant comprend un substrat en polytéréphtalate d'éthylène (PET) ou en polynaphtalate d'éthylène (PEN) recouvert d'une couche de métal ou d'oxyde métallique, par exemple de l'oxyde d'indium-étain (ITO).According to one example, the self-winding curtain comprises a polyethylene terephthalate (PET) or ethylene polynaphthalate (PEN) substrate covered with a layer of metal or metal oxide, for example oxide of indium-tin (ITO).

Dans le présent exposé, sauf précision contraire, la direction longitudinale est la direction de déplacement souhaité du rideau.In the present description, unless otherwise stated, the longitudinal direction is the desired direction of movement of the curtain.

Par déplacement, on entend ici sa translation dans une configuration donnée (notamment à longueur constante), et/ou son déploiement/sa rétractation (par augmentation/diminution de sa longueur, autrement dit par enroulement/déroulement).Displacement means here its translation in a given configuration (including constant length), and / or its deployment / retraction (by increasing / decreasing its length, in other words by winding / unwinding).

Cette direction longitudinale Y est généralement parallèle aux plans des feuilles transparentes.This longitudinal direction Y is generally parallel to the planes of the transparent sheets.

On définit également une direction latérale X perpendiculaire à la direction longitudinale Y, et généralement parallèle aux plans des feuilles transparentes.We also define a lateral direction X perpendicular to the longitudinal direction Y, and generally parallel to the planes of the transparent sheets.

On mesurera généralement la largeur d'un élément dans la direction latérale, sa hauteur ou sa longueur dans la direction longitudinale et son épaisseur, dans une direction transversale orthogonale aux directions latérale et longitudinale.We will generally measure the width of an element in the lateral direction, its height or its length in the longitudinal direction and its thickness, in a transverse direction orthogonal to the lateral and longitudinal directions.

Dans la présente demande, un plan transversal doit par ailleurs être entendu comme un plan orthogonal à la direction latérale.In the present application, a transverse plane must also be understood as a plane orthogonal to the lateral direction.

Le plan médian du rideau est alors défini comme le plan transversal passant par le milieu du rideau dans la direction latérale.The median plane of the curtain is then defined as the transverse plane passing through the middle of the curtain in the lateral direction.

Enfin, sauf précision contraire, les adjectifs supérieur et inférieur sont utilisés en référence au sens de l'axe Y tel qu'il est représenté sur les figures.Finally, unless otherwise stated, the upper and lower adjectives are used with reference to the direction of the Y axis as shown in the figures.

De façon générale, le rideau présente une première extrémité proche de l'axe d'enroulement du rideau, et une deuxième extrémité opposée à ladite première extrémité dans la direction longitudinale.In general, the curtain has a first end close to the winding axis of the curtain, and a second end opposite said first end in the longitudinal direction.

Les moyens de guidage sont destinés à guider le déplacement de l'axe d'enroulement du rideau dans la direction longitudinale. Le rideau est tendu en permanence entre ses deux extrémités (sur les portions non-enroulées). La deuxième extrémité du rideau est par exemple fixée à un support (fixe ou mobile) et la première extrémité du rideau est solidaire de l'axe d'enroulement, lui-même guidé en translation. Le rideau est ainsi préservé des chocs contre les feuilles du vitrage.The guide means are intended to guide the movement of the winding axis of the curtain in the longitudinal direction. The curtain is stretched permanently between its two ends (on non-rolled portions). The second end of the curtain is for example fixed to a support (fixed or movable) and the first end of the curtain is integral with the winding axis, itself guided in translation. The curtain is thus preserved from shocks against the sheets of the glazing.

Selon une disposition particulière, la première extrémité du rideau est fixée à l'axe d'enroulement, par exemple par collage, et l'axe d'enroulement est monté rotatif autour de son axe.According to a particular arrangement, the first end of the curtain is fixed to the winding axis, for example by gluing, and the winding axis is rotatably mounted about its axis.

Selon un exemple, les moyens de guidage comprennent au moins un câble (primaire) de guidage dont est solidaire ou sur lequel est monté mobile la première extrémité du rideau occultant ou un ensemble support solidaire de ladite extrémité.According to one example, the guide means comprise at least one (primary) guide cable which is integral or on which is mounted movable the first end of the blackout curtain or a support assembly integral with said end.

Généralement, le câble (primaire) s'étend parallèlement aux feuilles transparentes, et, au moins en partie, parallèlement à la direction longitudinale.Generally, the (primary) cable extends parallel to the transparent sheets, and, at least in part, parallel to the longitudinal direction.

Dans le cas où la première extrémité du rideau occultant ou un ensemble support solidaire de ladite extrémité est solidaire du câble primaire, alors ce dernier peut par exemple être un brin dit utile d'une courroie. L'extrémité se déplaçant solidairement avec la courroie, le dispositif occultant est guidé et empêché de venir se heurter contre les feuilles transparentes.In the case where the first end of the blackout curtain or a support assembly integral with said end is secured to the primary cable, the latter may for example be a so-called useful strand of a belt. The end moving in solidarity with the belt, the occulting device is guided and prevented from colliding against the transparent sheets.

Par courroie, on entend généralement tout système comprenant une bande refermée sur elle-même autour d'au moins deux poulies, la bande pouvant prendre toute forme adaptée (un câble, un fil, une chaîne, une bande plate, etc.).By belt, generally means any system comprising a band closed on itself around at least two pulleys, the band can take any suitable form (a cable, a wire, a chain, a flat strip, etc.).

Selon une disposition préférée, les moyens de guidage sont configurés pour guider la première extrémité de façon symétrique de part et d'autre du plan médian du rideau. Ainsi, l'axe d'enroulement reste en permanence orthogonal à la direction longitudinale de déplacement du rideau.According to a preferred arrangement, the guide means are configured to guide the first end symmetrically on either side of the median plane of the curtain. Thus, the winding axis remains permanently orthogonal to the longitudinal direction of movement of the curtain.

Pour cela, les moyens de guidage peuvent comprendre au moins deux câbles de guidage (primaires).For this, the guide means may comprise at least two (primary) guide cables.

Selon un exemple, les moyens de guidage comprennent au moins deux câbles de guidage disposés, au moins en partie, de part et d'autre du plan médian du rideau occultant, et dont est solidaire ou sur lesquels est monté mobile la première extrémité du rideau occultant ou un ensemble support solidaire de ladite extrémité.According to one example, the guide means comprise at least two guide cables arranged, at least in part, on either side of the median plane of the blackout curtain, and of which is integral or on which is mounted movable the first end of the curtain occulting or a support assembly secured to said end.

Ils peuvent notamment être agencés de façon symétrique par rapport au plan médian du rideau.They may in particular be arranged symmetrically with respect to the median plane of the curtain.

Selon un exemple, les moyens de guidage comprennent au moins deux courroies adaptées pour être déplacées simultanément et comportant chacune un brin utile formant un câble de guidage, la première extrémité du rideau occultant étant solidaire des dits brins utiles.In one example, the guide means comprise at least two belts adapted to be moved simultaneously and each having a useful strand forming a guide wire, the first end of the blackout curtain being integral with said useful strands.

Pour renforcer la fiabilité du système, et préserver l'intégrité du rideau, le vitrage peut comprendre un boîtier abritant l'axe d'enroulement du rideau.To enhance the reliability of the system, and preserve the integrity of the curtain, the glazing may include a housing housing the winding axis of the curtain.

Dans ce cas, le boîtier peut être fixé ou monté mobile sur ledit au moins un câble et présenter une fente s'étendant latéralement et traversée par une épaisseur de rideau.In this case, the housing can be fixed or mounted to move on said at least one cable and have a slot extending laterally and traversed by a curtain thickness.

Ces dispositions permettent également d'améliorer l'esthétique du système, en cachant l'axe d'enroulement et la partie de rideau enroulée autour de l'axe.These arrangements also improve the aesthetics of the system, hiding the winding axis and the curtain portion wrapped around the axis.

Pour améliorer sa stabilité, le boîtier primaire peut comporter au moins une ouverture de guidage adaptée au passage d'un câble de guidage (notamment un câble coulissant dans ladite ouverture).To improve its stability, the primary housing may comprise at least one guide opening adapted to the passage of a guide cable (including a cable sliding in said opening).

Dans le cas où le câble primaire de guidage forme un brin (dit utile) d'une courroie primaire dont est solidaire le boîtier, alors l'ouverture de guidage peut servir au passage d'un brin dit passif de la même courroie.In the case where the primary guide wire forms a strand (said useful) of a primary belt which is secured to the housing, then the opening guide can be used to pass a so-called passive strand of the same belt.

Selon un exemple, les moyens d'entraînement comprennent un système d'entraînement magnétique, comportant au moins un organe extérieur adapté pour être déplacé le long d'une face extérieure du vitrage, et au moins un organe intérieur solidaire de l'une parmi la première et la deuxième extrémité du rideau occultant, l'organe extérieur et l'organe intérieur étant adaptés pour coopérer par effet magnétique. Selon un exemple, les organes extérieur et intérieur sont des aimants. Selon un autre exemple, l'un parmi l'organe extérieur et l'organe intérieur est un aimant, et l'autre est un élément en matériau magnétique. Au sens de la présente invention, on entend par matériau magnétique un matériau qui a la propriété de s'aimanter sous l'effet d'un champ magnétique extérieur (ce sont par exemple des éléments à base de fer, cobalt, nickel ou leurs alliages, en particulier les aciers). L'organe extérieur et l'organe intérieur sont donc attirés magnétiquement l'un vers l'autre. Pour actionner le rideau, l'utilisateur n'a qu'à déplacer l'organe extérieur le long du vitrage. Avec ce système d'entraînement magnétique, il n'est plus nécessaire de percer le cadre du vitrage pour faire passer des câbles d'alimentation électrique jusque dans l'espace intercalaire. L'espace intercalaire est parfaitement isolé de l'extérieur, évitant les problèmes d'humidité à l'intérieur du vitrage.According to one example, the drive means comprise a magnetic drive system, comprising at least one outer member adapted to be moved along an outer face of the glazing unit, and at least one inner member integral with one of the first and second end of the blackout curtain, the outer member and the inner member being adapted to cooperate by magnetic effect. In one example, the outer and inner members are magnets. In another example, one of the outer member and the inner member is a magnet, and the other is a magnetic material member. For the purposes of the present invention, magnetic material is understood to mean a material which has the property of being magnetized under the effect of an external magnetic field (for example they are elements based on iron, cobalt, nickel or their alloys. , especially steels). The outer member and the inner member are magnetically attracted to each other. To operate the curtain, the user has only to move the outer member along the glazing. With this magnetic drive system, it is no longer necessary to drill the frame of the glazing to pass power cables into the interspace. The interstitial space is perfectly insulated from the outside, avoiding moisture problems inside the glazing.

Une autre solution consiste à prévoir des moyens d'entraînement électrique comportant au moins un moteur électrique.Another solution consists in providing electric drive means comprising at least one electric motor.

Par exemple, le moteur électrique peut être alimenté par un module photovoltaïque, le moteur électrique et le module photovoltaïque étant tous deux logés dans l'espace intercalaire du vitrage. Il a en effet été démontré que l'énergie emmagasinée par un module photovoltaïque disposé dans l'espace intercalaire est largement suffisante pour l'actionnement du rideau, en utilisation normale.For example, the electric motor can be powered by a photovoltaic module, the electric motor and the photovoltaic module being both housed in the interspace of the glazing. It has been demonstrated that the energy stored by a photovoltaic module disposed in the intermediate space is largely sufficient for the actuation of the curtain, in normal use.

De façon préférée, le système d'actionnement comporte dans ce cas un système de commande à distance du moteur électrique, par exemple un système bluetooth.Preferably, the actuating system comprises in this case a remote control system of the electric motor, for example a bluetooth system.

Selon une autre variante, les moyens d'entraînement comprennent un système d'entraînement mécanique comportant par exemple une manivelle disposée à l'extérieur de l'espace intercalaire (accessible à l'utilisateur), et notamment une manivelle reliée mécaniquement, par des moyens de transmission, à au moins un câble de guidage, l'actionnement de la manivelle entraînant ledit câble.According to another variant, the drive means comprise a mechanical drive system comprising for example a crank disposed outside the interspace. (Accessible to the user), and in particular a crank mechanically connected, by transmission means, to at least one guide wire, the actuation of the crank driving said cable.

Le vitrage selon l'invention peut également comprendre des moyens de blocage de la première extrémité du rideau dans la direction longitudinale. Ces moyens peuvent, le cas échéant, être disposés sur le boîtier abritant l'axe d'enroulement du rideau. Ils peuvent à titre d'exemple comprendre des ressorts, notamment des ressorts ayant plusieurs positions d'arrêt, ou des cliquets.The glazing according to the invention may also comprise means for locking the first end of the curtain in the longitudinal direction. These means may, if necessary, be arranged on the housing housing the winding axis of the curtain. They may for example include springs, including springs having several stop positions, or pawls.

Selon un exemple, la deuxième extrémité du rideau opposée à la première extrémité est fixée au cadre du vitrage. Autrement dit, la deuxième extrémité du rideau ne peut pas se déplacer par rapport au cadre.In one example, the second end of the curtain opposite the first end is fixed to the frame of the glazing. In other words, the second end of the curtain can not move relative to the frame.

Selon un autre exemple, le système d'actionnement comporte des moyens d'entraînement de la deuxième extrémité du rideau opposée à la première extrémité, en translation dans la direction longitudinale, et des moyens de guidage de la deuxième extrémité du rideau en translation dans la direction longitudinale.According to another example, the actuating system comprises drive means of the second end of the curtain opposite the first end, in translation in the longitudinal direction, and means for guiding the second end of the curtain in translation in the longitudinal direction.

On comprend que les deux extrémités du rideau peuvent ainsi être déplacées. Le vitrage peut ainsi être occulté sur une portion de hauteur prédéfinie, située à distance de chaque bordure longitudinale du cadre. En particulier, l'utilisateur peut occulter seulement la partie du vitrage qui nécessite de l'être (par exemple pour éviter d'être ébloui par le soleil), sans diminuer sensiblement l'éclairage de la pièce.It is understood that both ends of the curtain can thus be moved. The glazing can thus be obscured on a predefined height portion, located at a distance from each longitudinal edge of the frame. In particular, the user can hide only the part of the glazing that needs to be (for example to avoid being dazzled by the sun), without significantly reducing the lighting of the room.

Selon un exemple, les moyens d'entraînement du système d'actionnement comprennent un premier système d'entraînement de la première extrémité du dispositif occultant en translation dans la direction longitudinale et un deuxième système d'entraînement de la deuxième extrémité du dispositif occultant en translation dans la direction longitudinale, les dits premier et deuxième systèmes étant adaptés pour être actionnés indépendamment l'un de l'autre.According to one example, the driving means of the actuating system comprise a first drive system of the first end of the device occulting in translation in the longitudinal direction and a second drive system of the second end of the device occulting in translation. in the longitudinal direction, said first and second systems being adapted to be actuated independently of one another.

Le deuxième système d'entraînement peut par exemple être un système magnétique, un système électrique ou un système mécanique tel que défini précédemment.The second drive system may for example be a magnetic system, an electrical system or a mechanical system as defined above.

Selon un exemple, la deuxième extrémité du rideau est solidaire d'un ensemble support, et les moyens d'entrainement sont adaptés à entraîner ledit ensemble support dans la direction longitudinale et les moyens de guidage sont adaptés à guider en translation ledit ensemble support.According to an example, the second end of the curtain is integral with a support assembly, and the drive means are adapted to driving said support assembly in the longitudinal direction and the guide means are adapted to guide in translation said support assembly.

Un ensemble support s'étend généralement dans la direction latérale. Il comprend par exemple un axe, une barre, un boîtier, ou encore une combinaison de tels éléments.A support assembly generally extends in the lateral direction. It includes for example an axis, a bar, a housing, or a combination of such elements.

Par exemple, les moyens de guidage de la deuxième extrémité comprennent au moins un câble secondaire de guidage dont est solidaire ou sur lequel est monté mobile la deuxième extrémité du rideau occultant ou un ensemble support solidaire de ladite extrémité.For example, the guide means of the second end comprise at least one secondary guide cable which is secured or on which is mounted movable the second end of the blackout curtain or a support assembly integral with said end.

De préférence, les moyens de guidage de la deuxième extrémité sont configurés pour guider la deuxième extrémité du rideau de façon symétrique de part et d'autre du plan médian du rideau.Preferably, the guide means of the second end are configured to guide the second end of the curtain symmetrically on either side of the median plane of the curtain.

Selon un exemple, les moyens de guidage de la deuxième extrémité comprennent au moins deux courroies secondaires adaptées pour être déplacées simultanément et comportant chacune un brin utile formant un câble secondaire de guidage, la deuxième extrémité du rideau occultant étant solidaire des dits brins utiles.According to one example, the means for guiding the second end comprise at least two secondary belts adapted to be moved simultaneously and each comprising a useful strand forming a secondary guide wire, the second end of the blackout curtain being integral with said useful strands.

Plusieurs modes ou exemples de réalisation sont décrits dans le présent exposé. Toutefois, sauf précision contraire, les caractéristiques décrites en relation avec un mode ou un exemple de réalisation quelconque peuvent être appliquées à un autre mode ou exemple de réalisation.Several modes or examples of embodiments are described in this presentation. However, unless otherwise specified, the features described in connection with any one embodiment or embodiment may be applied to another embodiment or embodiment.

BREVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

L'invention sera bien comprise et ses avantages apparaîtront mieux, à la lecture de la description détaillée qui suit, de plusieurs modes de réalisation représentés à titre d'exemples non limitatifs. La description se réfère aux dessins annexés sur lesquels :

  • La figure 1 illustre un vitrage selon un premier mode de réalisation, en perspective et en coupe transversale, partiellement arrachée ;
  • La figure 2 est une vue en coupe transversale selon le plan II de la figure 1 ;
  • La figure 3 est une vue plus détaillée, en perspective, du boîtier de la figure 1 ;
  • La figure 4 est une vue en coupe selon le plan IV de la figure 3;
  • La figure 5 est une vue plus détaillée, en perspective, du système d'actionnement de la figure 1 ;
  • La figure 6 est une vue en perspective d'un vitrage selon un deuxième mode de réalisation;
  • La figure 7 est une vue en coupe transversale d'un vitrage selon un troisième mode de réalisation ;
  • La figure 8 est une vue en coupe transversale d'un vitrage selon un quatrième mode de réalisation ;
  • La figure 9 est une vue plus détaillée, en perspective, du système d'actionnement de la figure 8.
The invention will be better understood and its advantages will appear better on reading the detailed description which follows, of several embodiments shown by way of non-limiting examples. The description refers to the accompanying drawings in which:
  • The figure 1 illustrates a glazing according to a first embodiment, in perspective and in cross section, partially broken away;
  • The figure 2 is a cross-sectional view along plane II of the figure 1 ;
  • The figure 3 is a more detailed view, in perspective, of the case of the figure 1 ;
  • The figure 4 is a sectional view along plane IV of the figure 3 ;
  • The figure 5 is a more detailed perspective view of the actuation system of the figure 1 ;
  • The figure 6 is a perspective view of a glazing according to a second embodiment;
  • The figure 7 is a cross-sectional view of a glazing according to a third embodiment;
  • The figure 8 is a cross-sectional view of a glazing according to a fourth embodiment;
  • The figure 9 is a more detailed perspective view of the actuation system of the figure 8 .

DESCRIPTION DETAILLEE D'EXEMPLES DE REALISATIONDETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS

Sur la figure 1, on a représenté un double vitrage 100 selon un premier mode de réalisation de l'invention, comprenant une première feuille transparente 10 et une deuxième feuille transparente 12 parallèles, ici en verre, espacées l'une de l'autre et assemblées à leur bord par un cadre continu 14 formant entretoise, comportant typiquement un espaceur 15.On the figure 1 , there is shown a double glazing 100 according to a first embodiment of the invention, comprising a first transparent sheet 10 and a second transparent sheet 12 parallel, here glass, spaced from one another and assembled on board by a continuous frame 14 forming a spacer, typically having a spacer 15.

Le cadre 14 délimite, entre les feuilles 10, 12, un espace intercalaire 16, contenant par exemple de l'air, et dont l'étanchéité est assurée, de façon bien connue en soi, par un joint 18, notamment en silicone, réalisé entre les feuilles de verre 10, 12 et sur tout le pourtour de l'espaceur 15.The frame 14 delimits, between the sheets 10, 12, a spacer space 16, for example containing air, and whose sealing is ensured, in a manner well known per se, by a seal 18, in particular made of silicone, between the glass sheets 10, 12 and all around the spacer 15.

L'espace intercalaire 16 abrite un rideau occultant 20, ici du type auto-enroulant, c'est-à-dire naturellement dans une position enroulée.The interspace 16 houses a blackout curtain 20, here self-winding type, that is to say, naturally in a wound position.

Le rideau 20 a typiquement une largeur comprise entre 0,2 et 2 mètres et une longueur comprise entre 0,5 et 3 mètres.The curtain 20 typically has a width of between 0.2 and 2 meters and a length of between 0.5 and 3 meters.

Il est par exemple formé par superposition et traitement thermique d'une première couche de polytéréphtalate d'éthylène (PET) d'épaisseur comprise entre 10 et 50 microns, et d'une seconde couche de métal, notamment de l'ITO, d'épaisseur comprise entre 50 et 500 nm. Selon une variante, la première couche pourrait aussi être en polynaphtalate d'éthylène (PEN). Le chauffage entraîne une dilatation différentielle des couches superposées, induisant dans le rideau une contrainte tendant à le ramener naturellement dans son état enroulé.It is for example formed by superposition and heat treatment of a first layer of polyethylene terephthalate (PET) with a thickness of between 10 and 50 microns, and a second layer of metal, in particular ITO, of thickness between 50 and 500 nm. According to one variant, the first layer could also be ethylene polynaphthalate (PEN). The heating causes a differential expansion of the superimposed layers, inducing in the curtain a constraint tending to bring it back naturally into its wound state.

Comme il sera décrit dans la suite, le rideau 20 est apte à être déplacé dans une direction longitudinale ou de déplacement Y.As will be described in the following, the curtain 20 is able to be moved in a longitudinal direction or displacement Y.

On définit pour le rideau 20 une première extrémité 20a (inférieure dans l'exemple illustré), la plus proche de son axe d'enroulement- autrement dit la plus proche de l'axe du cylindre formé par le rideau à l'état enroulé - et une deuxième extrémité 20b (supérieure dans l'exemple illustré), opposée à la première extrémité 20a (voir figure 2).For the curtain 20 is defined a first end 20a (lower in the example shown), the closest to its winding axis-in other words, the closest to the axis of the roll formed by the curtain in the wound state. and a second end 20b (upper in the illustrated example), opposite the first end 20a (see figure 2 ).

Comme illustré sur la figure 2, la première extrémité 20a du rideau 20 est solidaire d'un premier ensemble support 21 comprenant un axe d'enroulement 22, par exemple en métal, s'étendant dans une direction latérale X orthogonale à la direction longitudinale Y, et parallèle aux feuilles 10, 12 et aux bordures longitudinales 14a, 14b du cadre 14. A noter que par solidaire, on entend ici solidaire en translation dans la direction longitudinale Y. Par exemple, la première extrémité 20a est fixée à l'axe d'enroulement, par exemple par vissage ou encore, de préférence, par collage.As illustrated on the figure 2 the first end 20a of the curtain 20 is integral with a first support assembly 21 comprising a winding axis 22, for example of metal, extending in a lateral direction X orthogonal to the longitudinal direction Y, and parallel to the sheets 10 , 12 and at the longitudinal edges 14a, 14b of the frame 14. Note that by integral means here integral in translation in the longitudinal direction Y. For example, the first end 20a is fixed to the winding axis, for example by screwing or, preferably, by gluing.

Le rideau 20 est naturellement dans une position enroulée autour de cet axe d'enroulement 22.The curtain 20 is naturally in a position wound around this winding axis 22.

Par exemple, le diamètre de l'axe d'enroulement 22 est compris entre 1 et 4 mm et le diamètre maximum du rideau 20 à l'état enroulé autour de l'axe 22, compris entre 2 et 8 mm.For example, the diameter of the winding axis 22 is between 1 and 4 mm and the maximum diameter of the curtain 20 in the state wound around the axis 22, between 2 and 8 mm.

Dans l'exemple particulier représenté, le premier ensemble support 21 comprend également un boîtier 50, ici de forme parallélépipédique, abritant l'axe d'enroulement 22.In the particular example shown, the first support assembly 21 also comprises a housing 50, here of parallelepipedal shape, housing the winding axis 22.

Le boîtier 50, qui est par exemple en métal, comporte à ses extrémités latérales des paliers 52, notamment à billes, adaptés pour supporter et assurer le guidage en rotation des extrémités latérales de l'axe d'enroulement 22. L'axe d'enroulement 22 est ainsi monté libre en rotation par rapport au boîtier.The housing 50, which is for example made of metal, has at its lateral ends bearings 52, in particular ball bearings, adapted to support and ensure the rotational guidance of the lateral ends of the winding axis 22. The axis of winding 22 is thus rotatably mounted relative to the housing.

Comme illustré sur les figures 3 et 4, une fente 54, allongée et parallèle à l'axe d'enroulement 22, est ménagée dans l'une des faces du boîtier 50 pour laisser passer le rideau 20.As illustrated on Figures 3 and 4 a slot 54, elongate and parallel to the winding axis 22, is formed in one of the faces of the housing 50 to allow the curtain 20 to pass.

La deuxième extrémité 20b du rideau 20 est, elle, fixée au cadre 14, par exemple par collage. Dans l'exemple, la deuxième extrémité 20b du rideau 20 est plus particulièrement fixée à la bordure longitudinale supérieure 14b du cadre 14. Le système pourrait cependant être inversé : la deuxième extrémité 20b du rideau serait alors fixée à la bordure longitudinale inférieure 14a du cadre 14.The second end 20b of the curtain 20 is fixed to the frame 14, for example by gluing. In the example, the second end 20b of the curtain 20 is more particularly fixed to the upper longitudinal edge 14b of the frame 14. The system could however be reversed: the second end 20b of the curtain would then be fixed to the lower longitudinal edge 14a of the frame 14.

La première extrémité du rideau et son ensemble support 21, sont adaptés pour être translatés dans la direction longitudinale Y - orthogonale à la direction latérale X - sous l'effet d'un système d'entraînement (premier système d'entraînement) décrit plus en détail dans la suite, en étant guidé dans leur translation par un système de guidage (premier système de guidage). Le rideau est ainsi enroulé ou déroulé.The first end of the curtain and its support assembly 21, are adapted to be translated in the longitudinal direction Y - orthogonal to the lateral direction X - under the effect of a drive system (first drive system) described in more detail. detail in the following, being guided in their translation by a guide system (first guide system). The curtain is thus rolled up or unrolled.

Le système de guidage est représenté plus en détail sur la figure 5.The guidance system is shown in more detail on the figure 5 .

Il comprend deux courroies primaires 24, 26 montées chacune autour d'une paire de poulies 28a, 28b, respectivement 30a, 30b. On désignera pour la suite une poulie inférieure 28a, 30a et une poulie supérieure 28b, 30b, de chaque courroie primaire 24, 26.It comprises two primary belts 24, 26 each mounted around a pair of pulleys 28a, 28b, respectively 30a, 30b. A lower pulley 28a, 30a and an upper pulley 28b, 30b of each primary belt 24, 26 will be designated below.

Chaque courroie est ici du type parallèle, c'est-à-dire munie de deux brins parallèles s'étendant entre les poulies 28a, 28b ; 30a, 30b, les deux brins étant généralement définis dans un plan transversal du vitrage.Each belt here is of the parallel type, that is to say provided with two parallel strands extending between the pulleys 28a, 28b; 30a, 30b, the two strands being generally defined in a transverse plane of the glazing.

Comme illustré sur la figure 2, chaque poulie est située à proximité de l'une des bordures longitudinales 14a, 14b du cadre 14, de sorte que chaque courroie 24, 26 s'étend sur sensiblement toute la hauteur du vitrage 100.As illustrated on the figure 2 each pulley is located near one of the longitudinal edges 14a, 14b of the frame 14, so that each belt 24, 26 extends over substantially the entire height of the glazing 100.

Selon une disposition préférée représentée sur les figures, les deux courroies 24, 26 sont définies dans deux plans transversaux symétriques par rapport au plan transversal de symétrie du rideau 20. Le guidage parallèle se fait ainsi de façon symétrique des deux côtés du rideau, évitant les blocages liés à l'enroulement ou au déroulement inégal du rideau dans la direction latérale X.According to a preferred arrangement shown in the figures, the two belts 24, 26 are defined in two transverse planes symmetrical with respect to the transverse plane of symmetry of the curtain 20. The parallel guidance is thus symmetrically on both sides of the curtain, avoiding the blockages related to winding or uneven winding of the curtain in the lateral direction X.

Le boîtier 50, sur lequel est monté l'axe d'enroulement 22, est fixé à un brin dit utile 24u, 26u de chaque courroie primaire 24, 26, par exemple par vissage ou encore, de préférence, par collage.The housing 50, on which is mounted the winding axis 22, is attached to a so-called useful strand 24u, 26u of each primary belt 24, 26, for example by screwing or, preferably, by gluing.

Le boîtier 50 présente en outre deux paires d'ouvertures de guidage 56a, 56b ; 58a, 58b adaptées chacune au passage d'un brin dit passif 24p, 26p de chaque courroie 24, 26 (voir figures 2 et 3).The housing 50 further has two pairs of guide openings 56a, 56b; 58a, 58b each adapted to the passage of a so-called passive strand 24p, 26p of each belt 24, 26 (see figures 2 and 3 ).

Dans le mode de réalisation décrit, le système d'entraînement de l'axe d'enroulement est un système électrique entraînant les courroies primaires 24, 26.In the embodiment described, the drive system of the winding shaft is an electrical system driving the primary belts 24, 26.

Il comprend un moteur électrique 40 muni d'une unité de contrôle pilotable à distance 42, un module photovoltaïque 44, et une batterie 46, logés dans l'espace intercalaire 16.It comprises an electric motor 40 provided with a remotely controllable control unit 42, a photovoltaic module 44, and a battery 46, housed in the interspace 16.

Dans l'exemple, le moteur 40 est disposé entre les deux poulies inférieures 28a, 30a, chacune de ces poulies étant assemblée à l'arbre moteur 48. Les deux courroies 24, 26 sont ainsi entraînées simultanément par le moteur électrique 40.In the example, the motor 40 is arranged between the two lower pulleys 28a, 30a, each of these pulleys being assembled to the drive shaft 48. The two belts 24, 26 are thus driven simultaneously by the electric motor 40.

Les poulies supérieures 28b, 30b sont également assemblées sur un arbre commun 38.The upper pulleys 28b, 30b are also assembled on a common shaft 38.

Comme illustré par ailleurs sur la figure 5, les arbres 38, 48 des poulies 28a, 28b, 30a, 30b sont ici montés sur une structure de support mécanique 32 fixée à l'espaceur 15, et formant ainsi une partie du cadre 14.As illustrated elsewhere on the figure 5 , the shafts 38, 48 of the pulleys 28a, 28b, 30a, 30b are here mounted on a mechanical support structure 32 fixed to the spacer 15, and thus forming a portion of the frame 14.

Pour actionner le rideau, l'utilisateur envoie à l'unité de contrôle 42 du moteur électrique 40 une commande d'enroulement ou de déroulement, par exemple par l'intermédiaire d'une connexion bluetooth. Le moteur électrique 40 entraîne les courroies 24, 26 qui, en se déplaçant, entraînent le déplacement de l'axe d'enroulement 22. Le rideau 22 étant auto-enroulant, il reste tendu en permanence entre son axe d'enroulement et le point de fixation de sa deuxième extrémité. Grâce au guidage réalisé par les courroies 24, 26, le rideau est empêché de venir en contact avec les feuilles 10, 12 du vitrage, et ne risque donc pas d'être endommagé.To actuate the curtain, the user sends to the control unit 42 of the electric motor 40 a winding or unwinding command, for example via a Bluetooth connection. The electric motor 40 drives the belts 24, 26 which, when moving, cause the displacement of the winding axis 22. The curtain 22 being self-winding, it remains permanently tensioned between its winding axis and the point fixing its second end. Thanks to the guidance provided by the belts 24, 26, the curtain is prevented from coming into contact with the sheets 10, 12 of the glazing, and therefore does not risk being damaged.

Cet exemple n'est toutefois pas limitatif.This example is not, however, limiting.

Selon une variante possible, le boîtier 50 pourrait par exemple être omis et l'axe d'enroulement 22, fixé directement aux courroies primaires 24, 26.According to a possible variant, the housing 50 could for example be omitted and the winding shaft 22, attached directly to the primary belts 24, 26.

Par ailleurs, le dispositif occultant n'est pas limité à un rideau auto-enroulant. On pourrait notamment prévoir un système d'enroulement par ressort d'un rideau classique.Moreover, the occulting device is not limited to a self-winding curtain. One could include a spring winding system of a conventional curtain.

La figure 6 illustre un vitrage selon un deuxième mode de réalisation. Les éléments identiques à ceux décrits en liaison avec le mode de réalisation précédent y sont désignés par les mêmes références numériques que sur les figures décrites précédemment. Ils ne sont donc pas décrits à nouveau.The figure 6 illustrates a glazing according to a second embodiment. The elements identical to those described in connection with the previous embodiment are designated by the same reference numerals as in the figures described above. They are not described again.

Le vitrage 200 diffère de celui du mode de réalisation précédent en ce que le système d'entraînement est un système magnétique.The glazing 200 differs from that of the previous embodiment in that the drive system is a magnetic system.

Le système d'entraînement comprend donc un organe extérieur 60, ici un premier aimant, adapté pour être déplacé le long de la face extérieure d'une feuille (ici référencée 10) du vitrage, et un organe intérieur, ici un deuxième aimant 64 fixé sur le boîtier 50, solidaire de l'axe d'enroulement 22 du rideau 20.The drive system therefore comprises an outer member 60, here a first magnet, adapted to be moved along the outer face of a sheet (here referenced 10) of the glazing, and an inner member, here a second magnet 64 fixed on the housing 50, integral with the winding axis 22 of the curtain 20.

Dans l'exemple, l'organe extérieur 60 est monté coulissant le long d'une tige rectiligne formant guide 62, s'étendant dans la direction longitudinale Y, sur toute ou partie de la hauteur du vitrage (généralement sensiblement toute sa hauteur).In the example, the outer member 60 is slidably mounted along a rectilinear guide rod 62, extending in the longitudinal direction Y, over all or part of the height of the glazing (generally substantially its entire height).

Lorsque l'organe extérieur 60 est déplacé le long de la feuille 10 par l'utilisateur, l'organe intérieur 64 est entraîné solidairement, du fait de la force d'attraction magnétique. L'axe d'enroulement du rideau 20, fixé au boîtier 50, est déplacé également, entraînant le déplacement du rideau.When the outer member 60 is moved along the sheet 10 by the user, the inner member 64 is driven integrally due to the magnetic attraction force. The winding axis of the curtain 20, attached to the housing 50, is also displaced, causing the curtain to move.

La figure 7 illustre un vitrage selon un troisième mode de réalisation. Les éléments identiques à ceux décrits en liaison avec le mode de réalisation précédent y sont désignés par les mêmes références numériques que sur les figures décrites précédemment. Ils ne sont donc pas décrits à nouveau.The figure 7 illustrates a glazing according to a third embodiment. The elements identical to those described in connection with the previous embodiment are designated by the same reference numerals as in the figures described above. They are not described again.

En premier lieu, le vitrage 300 diffère de celui du mode de réalisation précédent en ce que les moyens de guidage de la première et deuxième extrémité du rideau occultant comprennent deux câbles fixes 124, 126, s'étendant dans la direction longitudinale Y et disposés symétriquement de part et d'autre du plan médian du rideau 20.First, the glazing 300 differs from that of the previous embodiment in that the guide means of the first and second end of the blackout curtain comprise two fixed cables 124, 126, extending in the longitudinal direction Y and arranged symmetrically. on either side of the median plane of the curtain 20.

Le boîtier 50 est ici monté coulissant le long des dits câbles de guidage 124, 126.The housing 50 is here slidably mounted along said guide cables 124, 126.

Pour éviter les frottements, le boîtier peut éventuellement être pourvu de roulettes (non représentées) positionnées au contact de la face interne de la feuille 10.To avoid friction, the housing may optionally be provided with rollers (not shown) positioned in contact with the inner face of the sheet 10.

Cet exemple n'est toutefois pas limitatif.This example is not, however, limiting.

Par exemple, l'un parmi l'organe extérieur et l'organe intérieur pourrait être formé dans un matériau magnétique, sans être un aimant. Selon un exemple, l'organe intérieur pourrait être constitué par le boîtier 50, réalisé dans un matériau magnétique. Egalement, l'organe intérieur pourrait être constitué par l'axe d'enroulement, réalisé dans un matériau magnétique.For example, one of the outer member and the inner member could be formed of a magnetic material without being a magnet. In one example, the inner member could be constituted by the housing 50, made of a magnetic material. Also, the inner member could be constituted by the winding axis, made of a magnetic material.

Les figures 8 et 9 illustrent un vitrage selon un quatrième mode de réalisation. Les éléments identiques à ceux décrits en liaison avec le premier mode de réalisation y sont désignés par les mêmes références numériques que sur les figures décrites précédemment. Ils ne sont donc pas décrits à nouveau.The figures 8 and 9 illustrate a glazing according to a fourth embodiment. The elements identical to those described in connection with the first embodiment are designated by the same reference numerals as in the figures described above. They are not described again.

Le vitrage 400 diffère de ceux des modes de réalisation précédents en ce que la deuxième extrémité 20b du rideau 20 n'est pas solidaire du cadre 14 du vitrage, mais d'un ensemble support 70 pouvant être translaté dans la direction longitudinale Y en étant guidé dans sa translation par un deuxième système de guidage.The glazing 400 differs from those of the previous embodiments in that the second end 20b of the curtain 20 is not secured to the frame 14 of the glazing, but a support assembly 70 can be translated in the longitudinal direction Y being guided in its translation by a second guide system.

Dans l'exemple, l'ensemble support est une barre (ci-après barre support), par exemple métallique, s'étendant dans la direction latérale X.In the example, the support assembly is a bar (hereinafter support bar), for example metallic, extending in the lateral direction X.

Le deuxième système de guidage comprend deux courroies secondaires 74, 76 montées chacune autour d'une paire de poulies 78a, 78b, respectivement 80a, 80b. On désignera pour la suite une poulie inférieure 78a, 80a et une poulie supérieure 78b, 80b, de chaque courroie secondaire 74, 76.The second guide system comprises two secondary belts 74, 76 each mounted around a pair of pulleys 78a, 78b, respectively 80a, 80b. A lower pulley 78a, 80a and an upper pulley 78b, 80b of each secondary belt 74, 76 will be designated below.

Chaque courroie est ici du type parallèle, c'est-à-dire munie de deux brins parallèles s'étendant entre les poulies 78a, 78b ; 80a, 80b, les deux brins étant généralement définis dans un plan transversal du vitrage.Each belt here is of the parallel type, that is to say provided with two parallel strands extending between the pulleys 78a, 78b; 80a, 80b, the two strands being generally defined in a transverse plane of the glazing.

Selon une disposition préférée représentée sur les figures, les deux courroies secondaires 74, 76 sont définies dans deux plans transversaux symétriques par rapport au plan médian du rideau 20.According to a preferred arrangement shown in the figures, the two secondary belts 74, 76 are defined in two transverse planes symmetrical with respect to the median plane of the curtain 20.

Dans l'exemple particulier représenté, la barre support 70 est fixée à un brin dit utile 74u, 76u de chaque courroie secondaire 74, 76, par exemple par vissage ou collage.In the particular example shown, the support bar 70 is attached to a so-called useful strand 74u, 76u of each secondary belt 74, 76, for example by screwing or gluing.

Dans l'exemple, le système d'entraînement de la barre support 70 (deuxième système d'entraînement) est un système électrique entraînant les courroies secondaires 74, 76.In the example, the drive system of the support bar 70 (second drive system) is an electrical system driving the secondary belts 74, 76.

Il comprend un moteur électrique 82, logé dans l'espace intercalaire 16. Le moteur 82 est relié à la batterie 46, elle-même reliée au module photovoltaïque 44.It comprises an electric motor 82, housed in the spacer space 16. The motor 82 is connected to the battery 46, itself connected to the photovoltaic module 44.

Dans l'exemple, le moteur 82 est disposé entre les deux poulies supérieures 78a, 80a, chacune de ces poulies étant assemblée à l'arbre moteur 86. Les deux courroies 74, 76 sont ainsi entraînées simultanément par le moteur électrique 82.In the example, the motor 82 is disposed between the two upper pulleys 78a, 80a, each of these pulleys being assembled to the drive shaft 86. The two belts 74, 76 are thus driven simultaneously by the electric motor 82.

Les axes des poulies inférieures 78b, 80b sont montés sur la structure de support mécanique 32.The axes of the lower pulleys 78b, 80b are mounted on the mechanical support structure 32.

Les moteurs 40 et 82 peuvent être pilotés par l'utilisateur, indépendamment l'un de l'autre. Il est donc possible de déplacer uniquement la première extrémité, uniquement la deuxième extrémité ou encore conjointement les deux extrémités du rideau, dans l'un ou l'autre sens, en fonction des besoins.The motors 40 and 82 can be driven by the user, independently of one another. It is therefore possible to move only the first end, only the second end or together the two ends of the curtain, in one or the other direction, as needed.

Pour actionner le rideau, l'utilisateur envoie à l'unité de contrôle 42 une commande de déplacement de la première et/ou de la deuxième extrémité, par exemple par l'intermédiaire d'une connexion bluetooth. Le rideau 22 étant auto-enroulant, il reste tendu en permanence entre son axe d'enroulement 22 et la barre support 70. Grâce au guidage réalisé par les courroies 24, 26, 74, 76 le rideau est empêché de venir en contact avec les feuilles 10, 12 du vitrage, et ne risque donc pas d'être endommagé.To actuate the curtain, the user sends control unit 42 a command to move the first and / or the second end, for example via a Bluetooth connection. The curtain 22 being self-winding, it remains permanently tensioned between its winding axis 22 and the support bar 70. Thanks to the guidance provided by the belts 24, 26, 74, 76 the curtain is prevented from coming into contact with the leaves 10, 12 of the glazing, and therefore not likely to be damaged.

L'exemple illustré n'est toutefois pas limitatif.The illustrated example is not, however, limiting.

Par exemple, le deuxième système d'entraînement pourrait aussi être un système magnétique ou mécanique.For example, the second drive system could also be a magnetic or mechanical system.

Eventuellement, l'ensemble support de la deuxième extrémité, fixé aux brins utiles des courroies 74, 76, pourrait aussi présenter deux paires d'ouvertures de guidage adaptées chacune au passage d'un brin dit passif 74p, 76p de chaque courroie secondaire.Optionally, the support assembly of the second end, attached to the useful strands of the belts 74, 76, could also have two pairs of guide openings each adapted to the passage of a so-called passive strand 74p, 76p of each secondary belt.

Claims (14)

  1. A glazing (100, 200, 300, 400) comprising
    - at least two transparent sheets (10, 12) that are connected at their edge by a frame (14) and delimit between them an intermediate space (16),
    - a concealing curtain (20), capable of being moved in a longitudinal direction (Y) inside the intermediate space (16), and
    - a system for actuating said curtain,
    the glazing being characterised in that a first end (20a) of the curtain (20) is rigidly attached to a winding axis (22) extending in a lateral direction (X) orthogonal to the longitudinal direction, the curtain (20) being wound around the winding axis (22), and the actuating system comprises means for driving the first end in translation in the longitudinal direction (Y), and means for guiding the first end in translation in the longitudinal direction (Y).
  2. The glazing (100, 200, 300, 400) according to claim 1, wherein the curtain is a self-winding curtain.
  3. The glazing (100, 200, 300, 400) according to claim 2, wherein the curtain (20) comprises a substrate made of polyethylene terephthalate (PET) or of polyethylene naphthalate (PEN) covered with a layer of metal or metal oxide, for example indium tin oxide (ITO).
  4. The glazing (100, 200, 300, 400) according to any one of the preceding claims, wherein the guide means are configured to guide the first end (20a) symmetrically on either side of the median plane of the curtain (20).
  5. The glazing (100, 200, 300, 400) according to any one of the preceding claims, wherein the guide means comprise at least one guide cable to which the first end (20a) of the curtain or a support assembly (21) rigidly attached to said end is rigidly attached or on which said end or said support assembly is movably mounted.
  6. The glazing (100, 200, 400) according to claim 5, wherein the guide means comprise at least two belts (24, 26) suitable for being moved simultaneously and each comprising a useful strand forming a guide cable, the first end (20a) of the curtain (20) being rigidly attached to the so-called useful strands.
  7. The glazing (100, 200, 300, 400) according to claim 5 or 6, further comprising a casing (50) housing the winding axis (22) of the curtain (20), the casing (50) being fixed or movably mounted on said at least one cable and having a slot (54) that extends laterally and through which a curtain thickness (20) passes.
  8. The glazing (200, 300) according to any one of the preceding claims, wherein the drive means comprise at least one outer member (60) suitable for being moved along an outer face of the glazing, and at least one inner member (64) rigidly attached to the first end of the concealing curtain, the outer member (60) and the inner member (64) being designed to cooperate by magnetic effect.
  9. The glazing (100, 400) according to any one of the preceding claims, wherein the drive means comprise at least one electric motor (40).
  10. The glazing (100, 400) according to claim 9, wherein the electric motor is powered by a photovoltaic module (44), the electric motor and the photovoltaic module both being housed in the intermediate space (16) of the glazing.
  11. The glazing (100, 200, 300) according to any one of the preceding claims, wherein the second end of the curtain (20b), opposite the first end (20), is rigidly attached to the frame (14) of the glazing.
  12. The glazing (400) according to any one of claims 1 to 11, wherein the actuating system comprises means for driving the second end of the curtain (20b), opposite the first end (20a), in translation in the longitudinal direction (Y), and means for guiding the second end of the curtain (20b) in translation in the longitudinal direction (Y).
  13. The glazing (400) according to claim 12, wherein the means for guiding the second end (20b) comprise at least one secondary guide cable to which the second end (20b) of the curtain or a support assembly (70) rigidly attached to said end is rigidly attached or on which said end or said support assembly is movably mounted.
  14. The glazing (400) according to claim 12 or 13, wherein the guide means of the second end comprise at least two secondary belts (74, 76) suitable for being moved simultaneously and each comprising a useful strand forming a secondary guide cable, the second end (20b) of the concealing curtain being rigidly attached to the so-called useful strands.
EP16186827.8A 2015-09-03 2016-09-01 Glazing provided with a concealment curtain Not-in-force EP3138988B1 (en)

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PL16186827T PL3138988T3 (en) 2015-09-03 2016-09-01 Glazing provided with a concealment curtain

Applications Claiming Priority (1)

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FR1558158A FR3040723B1 (en) 2015-09-03 2015-09-03 GLAZING EQUIPPED WITH AN OCCULTANT RIDEAU

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EP3138988B1 true EP3138988B1 (en) 2018-07-18

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DK (1) DK3138988T3 (en)
ES (1) ES2685914T3 (en)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109372409A (en) * 2018-11-13 2019-02-22 江苏二十六度节能科技有限公司 A kind of electronic built-in roller shutter hollow glass products

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ITBO20110328A1 (en) * 2011-06-08 2012-12-09 Pellini Spa FABRIC SCREEN FOR GLASS AND SIMILAR SYSTEMS

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Publication number Priority date Publication date Assignee Title
CN109372409A (en) * 2018-11-13 2019-02-22 江苏二十六度节能科技有限公司 A kind of electronic built-in roller shutter hollow glass products

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EP3138988A1 (en) 2017-03-08
FR3040723A1 (en) 2017-03-10
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FR3040723B1 (en) 2017-10-06
DK3138988T3 (en) 2018-09-03
ES2685914T3 (en) 2018-10-15

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