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
• • 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
  • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
  • E06B3/6707—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased acoustical insulation
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
  • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
  • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
  • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
  • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
  • B32B17/10045—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
  • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
  • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
  • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
  • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
  • B32B17/10045—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet
  • B32B17/10055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet with at least one intermediate air space
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
  • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
  • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
  • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
  • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
• • 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
  • E06B3/04—Wing frames not characterised by the manner of movement
  • E06B3/263—Frames with special provision for insulation
• • 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

Definitions

• the present invention relates to a multiple glazing for acoustic protection mounted in a window comprising a first laminated glass panel and at least a second simple glass panel, parallel to the first panel and separated from the latter by a gas slide, the sheets of glass of the laminated panel being joined by at least one plastic film.
• Such glazing is generally intended to equip buildings so as to reduce inside, the perception of outside noise, and to provide thermal protection.
• thermal insulating glazing has become widespread. Most often, they consist of two glasses of the same thickness, generally between 2.5 and 4 mm, separated by a gas blade of 6 to 16 mm and bonded to their periphery using various sealants and possibly metal profiles.
• glazing improves the comfort of living, working and leisure premises and significantly reduces heat loss.
• glazing comprising a 4 mm glass, a 12 mm gas slide and a 10 mm glass constitutes an appropriate reference.
• other types of glazing have already been proposed, such as multiple and laminated glazing.
• these pose weight and volume problems compared to the windows in which they are integrated.
• such glazing is produced with simple glass panels which generally have thicknesses greater than 8 mm, and laminated glass panels usually used which generally consist of glass sheets with a minimum thickness of 4 mm.
• the invention therefore aims to provide a glazing to provide thermal and acoustic protection as effective as a standard insulating glazing or a multiple and laminated glazing, without having such a high weight.
• the multiple glazing according to the invention is characterized in that the two glass sheets of the laminated glass panel each have a thickness of between 1.5 and 2.5 mm, and the single glass panel has a thickness of between 3 and 5 mm, and the weight of the glazing is less than at least 30% of the weight of an insulating glazing which comprises at least two sheets of single glass separated by a gas slide having the same thickness as that of the multiple glazing, l difference between the weighted sound reduction index R w of the multiple glazing and the weighted sound reduction index R w of said insulating glass with two sheets of single glass, not exceeding 3 dB. It will be noted that throughout the description, the numerical values given for the glass thicknesses are considered with an uncertainty to within 5%.
• the weight of the multiple glazing is at least 40% less than the weight of the insulating glazing with two sheets of single glass.
• the difference between the weighted sound reduction index R w of the multiple glazing and the weighted sound reduction index R w of said insulating glazing with two sheets of single glass does not exceed more than 2 dB, the indices may even be equivalent.
• the gas blades have a thickness of between 6 and 20 mm, and preferably 12 mm.
• the plastic film of the laminated glass panel has a thickness equal to or greater than 0.38 mm.
• this plastic film is a film giving improved acoustic insulation properties.
• a film fulfilling the criteria as defined in patents EP-B1-0 100 701 or EP-B1-0 844 075 is called a film with improved sound insulation properties, in particular for providing good acoustic protection against road noise. or solidiens.
• the film is chosen such as a bar of
• the plastic film is associated with at least one other film providing in particular additional properties than those ensuring the lamination.
• at least one of the glass sheets of the glazing comprises at least one functional coating.
• the glazing comprises a simple glass panel with a thickness of 3 mm, and a laminated glass panel with two glass sheets of 2.1 mm each of thickness.
• it comprises a simple glass panel with a thickness of 4 mm, and a laminated glass panel with two glass sheets of 1.6 mm each.
• a third embodiment of the glazing it comprises a simple glass panel with a thickness of 4 mm, and a laminated glass panel with two glass sheets of 2.1 mm each of thickness.
• the glazings according to the invention are of dimensions less than 2 m 2 and are intended to equip buildings or vehicles, such as automobile glazing.
• FIG. 1 shows a multiple glazing according to the invention
• - Figure 2 illustrates the acoustic reduction index curves of different glazing units of the invention and of a reference insulating glazing unit.
• the multiple glazing 1 illustrated in FIG. 1 comprises a laminated glass panel 10 and a single glass panel 20, these panels being separated by a gas knife 30 such as an air knife, are assembled in a leaktight manner. using means known to those skilled in the art.
• the simple glass panel 20 has a thickness of between 3 and 5 mm.
• the laminated glass panel consists of at least two glass sheets 11 and 12 separated and made integral with a plastic sheet13.
• Each glass sheet has a thickness of between 1.5 and 2.5 mm.
• the sheet 13 has a thickness of at least 0.38 mm.
• This sheet is for example made of polyvinyl butyral (PVB) with improved sound insulation properties, or normal PVB having no such sound insulation properties.
• the glazing can comprise, on one or more of the glass sheets, constituting functional coatings of the thin layer type, for example, for anti-scratch protection, UV protection, coloring of the glazing.
• the plastic film 13 can be associated with at least one other film providing in particular additional properties (colors, anti-UV, light scattering, etc.).
• the glazing of the invention has equivalent or substantially equivalent sound insulation properties, that is to say not exceeding a difference of 1 dB in acoustic reduction index, to a usual insulating glazing of reference which comprises at least two glass sheets separated by a gas plate identical to the gas plate 30, the weight of the glazing unit of the invention being at least 30% less than the weight of the reference insulating glazing unit, preferably less at least 40%. Note that the weight of the insert is considered negligible.
• the insulating glazing of reference n ° 0 is a glazing of the type 4 (12) 10, that is to say comprising a sheet of glass of 4 mm, a blade of gas of 12 mm and a sheet of glass of 10 mm .
• This reference glazing is particularly efficient because it has a weighted sound reduction index R w of 38 dB, compared to an insulating glazing of the same constitution but with 3 mm glass sheets and a gas plate of identical thickness, for which the attenuation index R w is only 32 dB.
• R w weighted sound reduction index
• the sound reduction index is measured according to ISO-140 in an installation conforming to said standard on glazing samples of dimensions 800 mm ⁇ 500 mm, and the weighted index R w then calculated according to the standard ISO-717.
• Examples of glazing of the invention are as follows:
• Glazing n ° 1 is of type 3 (12) 2,1-2,1: it includes a sheet of glass 20 of 3 mm, a gas slide 30 of 12 mm, two sheets of glass 11 and 12 of laminated 2.1 mm thick each separated by a sheet of PVB with improved acoustic insulation properties of 0.38 mm thick.
• the glazings of the invention are referenced in this way, the PVB sheet for separating the laminate having a thickness of 0.38 mm.
• Glazing n ° 2 is of type 4 (12) 1, 6-1, 6 with PVB with improved sound insulation properties.
• Glazing n ° 3 is of type 4 (12) 2,1-2,1 with PVB with improved sound insulation properties.
• Glazing n ° 4 is of type 4 (12) 2,1-2,1 with normal PVB.
• Glazing n ° 5 is of type 3 (12) 1, 6-1, 6 with PVB with improved sound insulation properties.
• the table below indicates at 21 ° C the sound reduction indices over the frequency range from 100 to 5000 Hz for glazing no. 0 to no. 5. Also given at the bottom of the table, according to ISO 717-1, the weighted attenuation index R w and the two adaptation terms C and C tr .
• the curves in FIG. 2 reproduce the sound reduction index measurement points from 100 to 5000 Hz from the table above. It can be seen that the glazings of the invention have an acoustic insulation behavior which is just as effective as the reference insulating glazing.
• the table below summarizes, for each glazing n ° 1 to n ° 5 and for the reference glazing n ° 0, the weighted sound reduction index values and the percentage reduction in weight of the glazing units of the invention relative to the reference glazing unit.
• Glazing type N ° 2 or N ° 3 may be preferred, comprising simple 4 mm glass and including PVB with improved acoustic insulation properties. Furthermore, the glass thicknesses of the single glass panel (from 3 to 5 mm) and the laminated glass panel (from twice 1.5 mm to twice 2.5 mm) are such that the greatest ratio of extrema is equal to 1, 7 (either 5 / (2x1, 5) or either (2x2.5) / 3).
• the imbalance in weight on one side of the glazing relative to the other side does not exceed a factor of 2, while for example the reference glazing has an imbalance ratio of 2.5 (10/4) .
• the assembly of the simple glass panel to the laminated glass panel is more convenient, there is no need to position the heaviest panel below and wait for all of the joints ensuring the tightness and the mechanical strength is finished installing. In addition, handling the glazing is easier.

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• Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Civil Engineering (AREA)
• Physics & Mathematics (AREA)
• Acoustics & Sound (AREA)
• Architecture (AREA)
• Joining Of Glass To Other Materials (AREA)
• Laminated Bodies (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

Country Status (7)

Cited By (2)

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Citations (4)

Family Cites Families (2)

• 2004
  • 2004-01-09 FR FR0400154A patent/FR2864988B1/fr not_active Expired - Fee Related
  • 2004-12-15 CA CA002552813A patent/CA2552813A1/fr not_active Abandoned
  • 2004-12-15 US US10/585,249 patent/US20070175177A1/en not_active Abandoned
  • 2004-12-15 EP EP04805710A patent/EP1702130A1/fr not_active Withdrawn
  • 2004-12-15 WO PCT/FR2004/003229 patent/WO2005075784A1/fr active Application Filing
  • 2004-12-15 CN CNA2004800401016A patent/CN1902372A/zh active Pending
  • 2004-12-15 KR KR1020067013536A patent/KR20070001092A/ko not_active Application Discontinuation

Patent Citations (4)

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