EP3385486A1 - Transparentes paneel - Google Patents

Transparentes paneel Download PDF

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Publication number
EP3385486A1
EP3385486A1 EP17179030.6A EP17179030A EP3385486A1 EP 3385486 A1 EP3385486 A1 EP 3385486A1 EP 17179030 A EP17179030 A EP 17179030A EP 3385486 A1 EP3385486 A1 EP 3385486A1
Authority
EP
European Patent Office
Prior art keywords
profiles
glass sheets
panel
frame
transparent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17179030.6A
Other languages
English (en)
French (fr)
Other versions
EP3385486B1 (de
Inventor
Alcide MACCAGNOLA
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.)
Maccagnola Srl
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Maccagnola Srl
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Filing date
Publication date
Application filed by Maccagnola Srl filed Critical Maccagnola Srl
Publication of EP3385486A1 publication Critical patent/EP3385486A1/de
Application granted granted Critical
Publication of EP3385486B1 publication Critical patent/EP3385486B1/de
Active 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66333—Section members positioned at the edges of the glazing unit of unusual substances, e.g. wood or other fibrous materials, glass or other transparent materials
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66333—Section members positioned at the edges of the glazing unit of unusual substances, e.g. wood or other fibrous materials, glass or other transparent materials
    • E06B2003/66338—Section members positioned at the edges of the glazing unit of unusual substances, e.g. wood or other fibrous materials, glass or other transparent materials of glass
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/02—Wings made completely of glass
    • E06B3/025—Wings made completely of glass consisting of multiple glazing units

Definitions

  • Object of the present invention is a transparent panel intended for being used as access door for fridges or showcases, or as partition wall of showcases and displays.
  • the transparent doors are further used also for showcases and exposition cabinets, such as the displays.
  • double-glazing type also named double layer glass type: at least two glass sheets are coupled to a frame such to remain parallel and to define an interstice therebetween, filled with air or noble gases and acting as heat insulating.
  • the frame develops along the perimeter of the glass sheets, as a frame.
  • the frame is made of metal sections, for example made of aluminium, and the glass sheets are air-tight glued to such sections. Hinges and fitting needed to allow to serve as a door, for example pivots, are mounted on the frame.
  • EP-B-2878233 describes a transparent panel obtained by coupling one to another at least two (transparent) glass sheets only by means of a glue that is itself transparent after the respective setting.
  • the glue is applied at the edge of the sheets and, once hardened, constitutes a connecting element and at the same time ensures air tightness, i.e. preserves the insulating effect of the double-glazing. If needed, metal reinforcements are inserted in the panel at the corners.
  • the glue application technique is also described.
  • the glass sheets to be coupled are kept parallel, at a distance corresponding to the interstice to be created between the sheets, and they are partially dipped in a vessel containing the liquid phase glue.
  • the sheet dipping is provided at the respective edges.
  • the glue is let solidify, for example by UV or hot air polymerization, and this operation takes long time; the sheets are then extracted from the vessel and rotated in order to repeat the operation for all sides, until the perimeter has been completed.
  • Object of the present invention is therefore to provide a completely transparent panel, made by a technique easier than that described in EP-B-2878233 and with lower costs.
  • the present invention has the aim of providing a double-glazing panel that is transparent at the edges also, i.e. at the frame, while being easy to implement with low costs and in short times.
  • the present invention relates therefore to a double-glazing panel comprising at least two glass sheets and one perimetrical frame, i.e. a frame extending along the perimeter of the glass sheets.
  • the glass sheets are supported parallel to one another only by the frame, thus the latter constituting a structural as well as an aesthetic element.
  • a chamber containing air or gas, sealingly isolated from the outside, is defined between the adjacent glass sheets and the frame.
  • the frame consists of one or more profiles directly glued to the glass sheets, just at the respective edges.
  • At least one of the profiles is transparent and preferably most of the frame, or all, is transparent.
  • the proposed solution allows obtaining the pleasant aesthetic result described in relation to the known art, but without incurring in the related drawbacks.
  • the transparent profiles are not constituted by glue that is transparent when solidified, as provided in EP-B-2878233 ; therefore, the panel assembly is much easier, the final result being the same.
  • the profiles can be made separately before the panel assembly, with very low costs.
  • the profiles are made of a plastic material, for example polycarbonate.
  • the profiles are extruded, even if alternatively, they can be obtained by the moulding technique.
  • the glass sheets are rectangular or square.
  • the profiles are four, a left vertical profile, a right vertical profile, a top horizontal profile and a bottom horizontal profile.
  • Each one of the profiles is glued to at least two glass sheets, so as to also act as spacer in order to obtain the inner chamber, or to all the glass sheets (one profile per each panel edge) if these are more than two, at the respective edges.
  • At least one of the vertical profiles is transparent, and preferably both the right and left vertical profiles are transparent.
  • the remaining profiles, the top and the bottom ones, can be transparent or not.
  • the two chambers would be however limited by the sheets and the frame profiles.
  • two profiles could be used per each panel edge: a profile for connecting the first glass sheet with the second glass sheet and another profile for connecting the second glass sheet with the third glass sheet.
  • the transparent profiles have T-shaped cross section.
  • the glass sheets are glued to the profiles at the longitudinal portion of the T shape, at opposite sides, and in abutment against the transversal portion of the T shape.
  • the glass sheets are preferably glued to the transparent profiles so as to be flush with the profiles themselves, i.e. in such a way to create a single panel with seamless outer surfaces, free from slots or undercuts.
  • the glass sheets are glued to the transparent profiles by means of a transparent glue.
  • the glue also acts as sealant of the chamber containing air or gases.
  • At least one of the profiles comprises a first inner seat in which dehydrating salts are housed.
  • Salts have the task of absorbing humidity from the inner chamber, to prevent condensation from forming on the glass sheets. It is a real risk, mostly if the panel is used as fridge door.
  • the profiles provided with the housing seat for dehydrating salts are the top profile and the bottom profile, that can also be not transparent and, thus, can hide salts.
  • Another optional feature of the panel for which the Applicant reserves the right to deposit a divisional Patent Application, consists in that at least one of the profiles, and preferably the two bottom and top profiles, comprises a second inner seat in which a bar is housed.
  • the bar has a double function:
  • the bars are flat, i.e. they are battens and extend for the whole length of the edge of the respective glass sheets.
  • a second aspect of the present invention relates to a method for making a double-glazing panel, for the use as door or window, comprising:
  • FIG. 1 frontally and schematically shows a refrigerator 1 of the type used in supermarkets for selling fresh, frozen or deep-frozen foods.
  • the refrigerator 1 is provided with four transparent doors 2 hinged openable by holding an appropriate handle.
  • Figure 2 shows a single panel 2.
  • the frame 3 of the panels used as refrigerator doors is matt, since consisting of a metal frame; in the panel 2, instead, the frame 3, i.e. the panel perimeter, is at least partly transparent.
  • Figures 3-5 allow explaining how this result is obtained.
  • Figure 3 is an exploded front view and figures 4 and 5 are cross sectional views taken respectively on the horizontal H-H and vertical V-V planes. The views are not to scale, for greater clarity.
  • a glass sheet is denoted.
  • a second glass sheet 5 is denoted.
  • a double glazing 6 is defined, i.e. a chamber in which air is confined or a gas is confined, for example argon, in order to maximize the thermal insulation, i.e. to reduce the transmittance of the door 2 and to limit the BTU loss from the refrigerator.
  • the glass sheet 4 the outer one with respect to the refrigerator, is obtained by float process and stands out for a low content of iron oxides.
  • the glass sheets are screen-printed or otherwise customized with stickers, for providing the users with indications or simple commercial information.
  • the panel 2 according to the present invention provides the use of a plurality of profiles 7-10, some of which 7-8, or all of them, being transparent.
  • the side profiles 7-8 are made of a transparent material, preferably polycarbonate PC, and are glued to the glass sheets 4, 5.
  • the top and bottom profiles 9, 10 can be made of metal or a plastic material, for example still in polycarbonate, and in this instance, they can be transparent or not.
  • the profiles 7-10 are extruded. This way, seats can be obtained in the profiles 7-10, as it will be explained later, during the extrusion step already.
  • the profiles 7-10 can be moulded.
  • the profiles 7-10 are slightly flexible and not completely stiff as the conventional metal profiles. This feature allows the assembly of the panel 2 to be facilitated, as it will be clear from the following description.
  • the panels 2 can be assembled in the following way.
  • the glass 4 is placed in a properly made mask (not shown); then a layer C of transparent high-strength adhesive material is cold spread, at the edges of the glass sheet 4, where the coupling with the profiles 7-10 is provided. Then the two top 9 and bottom 10 profiles are positioned (horizontal profiles of the panel 2), and the two left 7 and right 8 side profiles (vertical profiles of the panel 2) are positioned at the edges of the sheet 4 where the adhesive material C has been spread.
  • the profiles 7-10 have a substantially T-shaped cross section and this allows obtaining a good shape coupling with the glass sheets 4 and 5.
  • the edges of the sheet complementarily abut against the sides 11 of the profiles, and in such a way that the surfaces of the sheet 4 and the profiles 7-10 remain flush.
  • the vertical profiles 7 and 8 can also have a rounded cross section.
  • the panel 2 takes thus the shape shown in figures.
  • the adhesive C also has the sealing function for the double glazing 6, meaning that, besides bonding the glass sheets 4, 5 and the profiles 7-10, it ensures the seal and, thus, the air or gas confinement in the chamber 6.
  • An adhesive material suitable for this purpose is commercialized by the Loxeal Company with the code UV3021 ; it is a methacrylic urethane adhesive.
  • the panel 2 has greatly pleasant aesthetic.
  • the observer gets the impression that the panel 2 is free from any frame, in contrast with the impression given by conventional panels made with not-transparent metal profiles.
  • Substantially the profiles 7-10 do define a frame but this is partially, or completely, also transparent as the glass sheets.
  • the top 9 and bottom 10 profiles each have an inner seat 13 for housing dehydrating salts, i.e. humidity absorbing salts. Salt presence minimizes the risk of condensation to be produced in the double glazing 6.
  • the seat 13 can be easily done simultaneously with the extrusion, i.e. the seat 13 can be done without material removal. Therefore, preferably, the seats 13 extend for the whole length of the profiles 9, 10.
  • top 9 and bottom 10 profiles are provided with a further seat 14 extending parallel to the salt containing seat 13.
  • each seat 14 a metal bar 15 is inserted with no, or minimum, clearance, having the function of providing an effective anchoring point for the fitting (not shown) intended for supporting the panel 2 as a door.
  • the bars 15 are not to scale.
  • the bars 15 are battens i.e. they are flat; for example, they have a thickness of about 3 mm.
  • the bars have the further function of reinforcing the panel 2 and reducing the risks it can break due to excessive flexing or twisting of the glass sheets 4, 5 caused in its turn by an improper use by the user. More in detail, even if the user opened the fridge door 1 with excessive strength, i.e. violently pushed the panel 2 up to the stop, the same panel would be less at risk of breakage with respect to what can be easily found now with the solutions conventionally available on the market. Flexing and/or twisting forces produced due to the violent deceleration of the panel 2 at the stop, when the hinges can not rotate further, are largely absorbed by the metal bars 15 to whom the hinges are connected.
  • the bars 15 inserted in the seats 14 also act as limiters of the wraps the panel 2 would be subjected to by violently impacting an obstacle or getting quickly to the stop.
  • the Applicant found that the proposed solution greatly reduces the risk of breakage of the fridge doors, with respect to conventional solutions free from bars 15.
  • the bars 15, which can also be defined as “tension bars”, are perforated, i.e. have a series of through holes along all the respective extent. In addition to reduce the weight, the holes (not shown) make more flexible the bars 15.
  • plugs 16 for example extruded or moulded plugs.
  • the plugs 16 can also be angular plugs.
  • the panel 2 can also be made with no seats 13, the latter being preferred but optional.
  • the number of glass sheets is two.
  • the panel 2 according to the present invention can be made with a larger number of glass sheets, for example three, with double glazing 6.
  • the frame 3 could not only be done of transparent profiles 7-10.
  • one of the profiles, the bottom one 10 and/or the top one 9, could be made of metal or plastic but matt, otherwise they can be coated with an adhesive concealing the bars 15.
  • the profiles 7-10 would have different shape, for example a substantially double-T-shaped cross section, such that a single profile can be used for joining all the three glass sheets, i.e. each profile is shared for constraining all the glass sheets.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)
EP17179030.6A 2017-04-06 2017-06-30 Transparente doppelverglasung Active EP3385486B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000037854A IT201700037854A1 (it) 2017-04-06 2017-04-06 Pannello trasparente

Publications (2)

Publication Number Publication Date
EP3385486A1 true EP3385486A1 (de) 2018-10-10
EP3385486B1 EP3385486B1 (de) 2023-04-26

Family

ID=59325126

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17179030.6A Active EP3385486B1 (de) 2017-04-06 2017-06-30 Transparente doppelverglasung

Country Status (3)

Country Link
EP (1) EP3385486B1 (de)
IT (1) IT201700037854A1 (de)
PT (1) PT3385486T (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3660257A1 (de) * 2018-11-30 2020-06-03 Saint-Gobain Glass France Verglasungsblock für glastrennwand
WO2020130989A3 (en) * 2018-12-20 2020-08-20 Doğaner Mehmet Fatih Transparent edge multi-layer glass embodiment
IT201900006330A1 (it) * 2019-04-24 2020-10-24 Tgd Spa Vetrocamera trasparente di tipo migliorato
WO2020261166A1 (en) * 2019-06-26 2020-12-30 Hirschler László Heat-insulating glass panel
CN114364857A (zh) * 2019-06-26 2022-04-15 拉斯洛·赫希勒 绝热玻璃面板

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10211940A1 (de) * 2002-03-18 2003-10-02 Tegralis Gmbh Türblatt
WO2010119067A1 (en) * 2009-04-14 2010-10-21 Gary Paul Beresford Spacer bar for a multiple panel glazing unit and method of making a spacer bar and a multiple panel glazing unit
WO2014198549A1 (fr) * 2013-06-14 2014-12-18 Agc Glass Europe Elément vitré pour meuble d'enceinte réfrigérée
DE202012013218U1 (de) * 2012-07-10 2015-06-25 Remis Gesellschaft für Entwicklung und Vertrieb von technischen Elementen mbH Kühlschrank
US20170016271A1 (en) * 2014-03-07 2017-01-19 Agc Glass Europe Insulating glazed element
EP2878233B1 (de) 2013-11-28 2017-02-15 PAN-DUR Holding GmbH & Co. KG Scheibenverbund
WO2017157637A1 (fr) * 2016-03-18 2017-09-21 Saint Gobain Glass France Vitrage isolant notamment pour enceinte climatique
WO2017157634A1 (fr) * 2016-03-18 2017-09-21 Saint Gobain Glass France Vitrage isolant notamment pour enceinte climatique
WO2017157636A1 (fr) * 2016-03-18 2017-09-21 Saint Gobain Glass France Vitrage isolant avec espaceur en verre, notamment pour meuble climatique
WO2017174333A1 (de) * 2016-04-05 2017-10-12 Saint-Gobain Glass France Isolierglaseinheit für ein kühlmöbel

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10211940A1 (de) * 2002-03-18 2003-10-02 Tegralis Gmbh Türblatt
WO2010119067A1 (en) * 2009-04-14 2010-10-21 Gary Paul Beresford Spacer bar for a multiple panel glazing unit and method of making a spacer bar and a multiple panel glazing unit
DE202012013218U1 (de) * 2012-07-10 2015-06-25 Remis Gesellschaft für Entwicklung und Vertrieb von technischen Elementen mbH Kühlschrank
WO2014198549A1 (fr) * 2013-06-14 2014-12-18 Agc Glass Europe Elément vitré pour meuble d'enceinte réfrigérée
EP2878233B1 (de) 2013-11-28 2017-02-15 PAN-DUR Holding GmbH & Co. KG Scheibenverbund
US20170016271A1 (en) * 2014-03-07 2017-01-19 Agc Glass Europe Insulating glazed element
WO2017157637A1 (fr) * 2016-03-18 2017-09-21 Saint Gobain Glass France Vitrage isolant notamment pour enceinte climatique
WO2017157634A1 (fr) * 2016-03-18 2017-09-21 Saint Gobain Glass France Vitrage isolant notamment pour enceinte climatique
WO2017157636A1 (fr) * 2016-03-18 2017-09-21 Saint Gobain Glass France Vitrage isolant avec espaceur en verre, notamment pour meuble climatique
WO2017174333A1 (de) * 2016-04-05 2017-10-12 Saint-Gobain Glass France Isolierglaseinheit für ein kühlmöbel

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3660257A1 (de) * 2018-11-30 2020-06-03 Saint-Gobain Glass France Verglasungsblock für glastrennwand
WO2020130989A3 (en) * 2018-12-20 2020-08-20 Doğaner Mehmet Fatih Transparent edge multi-layer glass embodiment
IT201900006330A1 (it) * 2019-04-24 2020-10-24 Tgd Spa Vetrocamera trasparente di tipo migliorato
EP3730731A1 (de) * 2019-04-24 2020-10-28 TGD S.p.A. Verbesserte transparente doppelverglasungseinheit
WO2020261166A1 (en) * 2019-06-26 2020-12-30 Hirschler László Heat-insulating glass panel
CN114364857A (zh) * 2019-06-26 2022-04-15 拉斯洛·赫希勒 绝热玻璃面板
CN114364857B (zh) * 2019-06-26 2023-06-30 拉斯洛·赫希勒 绝热玻璃面板
US12516565B2 (en) 2020-06-25 2026-01-06 Guardian Europe S.A.R.L. Heat-insulating glass panel

Also Published As

Publication number Publication date
EP3385486B1 (de) 2023-04-26
IT201700037854A1 (it) 2018-10-06
PT3385486T (pt) 2023-07-26

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