EP1183437B1 - Vitrage isolant acoustique a guide d'onde cloisonne - Google Patents

Vitrage isolant acoustique a guide d'onde cloisonne Download PDF

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Publication number
EP1183437B1
EP1183437B1 EP00938865A EP00938865A EP1183437B1 EP 1183437 B1 EP1183437 B1 EP 1183437B1 EP 00938865 A EP00938865 A EP 00938865A EP 00938865 A EP00938865 A EP 00938865A EP 1183437 B1 EP1183437 B1 EP 1183437B1
Authority
EP
European Patent Office
Prior art keywords
glazing unit
cavity
partition
sections
section
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.)
Expired - Lifetime
Application number
EP00938865A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1183437A1 (fr
Inventor
Béatrice MOTTELET
Marc Rehfeld
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
Publication of EP1183437A1 publication Critical patent/EP1183437A1/fr
Application granted granted Critical
Publication of EP1183437B1 publication Critical patent/EP1183437B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E06B3/67—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
    • 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
    • E06B3/70—Door leaves
    • E06B2003/7059—Specific frame characteristics
    • E06B2003/708—Specific frame characteristics insulated

Definitions

  • the present invention relates to the acoustic insulation of a glazing.
  • Insulating glazing is commonly used in the building to improve the thermal insulation of premises.
  • Glazing generally comprises two glass sheets associated by means of an intermediate frame which keeps them at a distance from one another by trapping between them a blade of air or gas.
  • the glass sheets may have a thickness of 4 mm and be separated by an air or gas gap in general between 6 and 24 mm.
  • these windows have limited acoustic performance, significantly lower than that of a monolithic glass of the same overall surface mass and, in particular, double glazing with two sheets of 4 mm have poor acoustic performance.
  • Another way is to increase the thickness of the air space, but the effect is sensitive only for air thicknesses of several centimeters, which prohibits the realization of sealed insulating glass.
  • Patent EP-0 100 701 discloses a glazing unit whose glass sheets are constituted by special laminates incorporating particular polymer films. This type of glazing allows a very clear improvement compared to ordinary insulating glass, but the cost is also significantly higher.
  • Some publications have proposed glazings made of monolithic glass sheets of standard thickness, outside of which are installed Helmholtz resonators tuned to the resonant frequency of the air space enclosed between the sheets of glass with which they are connected. It is recalled that a Helmholtz resonator is constituted by a cavity which communicates with the outside through a narrow orifice. When an acoustic pressure acts on said orifice, it tends to vibrate the air mass contained in the cavity at a certain frequency which is a function of the dimensions of this cavity.
  • the Helmholtz resonator is used to attenuate low frequency oscillations; its efficiency is maximum around its frequency of acoustic resonance as well as its harmonics.
  • Patent DE 3 401 996 relates to a variant of the previous system applied to a glazing unit, which uses only one Helmholtz resonator, always outside the glazing unit, mounted at its periphery and whose cavity communicates with the blade. air through a continuous slot, but this system has the same defect as the previous one.
  • patent EP 0 579 542 discloses a glazing unit provided at its periphery with a waveguide which communicates with the air gap through a plurality of orifices whose shape, section and position are determined in such a way as to detune the acoustic and mechanical waves which are born respectively in the air space and on the sheets of glass when the glazing is subjected to an incident acoustic field.
  • This waveguide is embodied by a single profile around the insulating glass, arranged along the sides of the spacer frame, internally relative to this frame, with holes preferably in the middle of the sides to ensure communication between the inside the waveguide and the air gap.
  • this waveguide is formed of several rectilinear profiles whose ends are not contiguous, thus providing additional communication passages between the inside of the waveguide and the air knife.
  • the document DE-A-28 03 740 describes a glazing unit provided at its periphery with a waveguide associated with the spacer, this waveguide consists of a straight tubular profile and provided on its lateral walls with ports that communicate with the air space.
  • the acoustic performance is quite limited and the introduction of the waveguide profile or profiles is complicated.
  • the present invention aims at remedying the drawbacks of the prior art techniques presented above and relates to glazing acoustic insulation formed of two monolithic or other glass plates, with improved acoustic efficiency, reserving a clear view, compact, easy to manufacture and for a cost barely higher than that of conventional insulating glass units.
  • the invention is based on the observation that a glazing formed of two glass plates and which is subjected to an incident acoustic excitation is the seat of several vibro-acoustic modes, but that one of the acoustic modes which conveys the most energy from one plate to another is that in ⁇ / 2. If, therefore, this mode is essentially attenuated in ⁇ / 2, most of the acoustic energy transmitted from one glass to the other is eliminated.
  • the invention relates to an acoustic insulating glazing unit of the type described in DE-A-28 03 740, that is to say formed of two glass plates separated by a peripheral spacer frame, enclosing a cavity filled with gas, in particular most generally air, and having an inner waveguide consisting of at least one rectilinear tubular section disposed at the periphery of the cavity, along one side of the glazing, characterized in that this section is provided with a transverse partition which closes in the direction of its length, arranged at a location of this length which is a function of the acoustic mode that is desired to mitigate.
  • the glazing is thus associated with a double tubular Helmholtz resonator tuned to the wavelength of the acoustic mode that Ion essentially wants to disorganize, for example ⁇ / 2, if we want to disorganize this vibratory mode, where ⁇ / i (i being an integer ⁇ if we want to disorganize this other vibratory mode
  • the position of the partition depends on the acoustic mode to disorganize: it is placed substantially in the middle of the length of the profile to act on the mode in ⁇ / 2 or the third to detune the acoustic mode in ⁇ / 3.
  • the middle partition can be made by any suitable means. It can come from manufacture with the profile during the extrusion thereof or be carried out later, in particular by interlocking two profiles of lengths slightly less than the half-length of one side of the glazing, on a partition connector, that is to say equipped with a partition or, in particular in the case of thermoformable plastic profiles, by restricting the section and welding, or a partition can be slid and wedged inside the profile smooth.
  • the guide will then be formed for example of tubular sections, smooth internally, in which buffers of absorbent material are inserted and are positioned at the desired locations, in particular respectively in the middle of the length of each profile.
  • the profiles forming the waveguide may be disjoint and in this case, their inner chambers defined on either side of the partition communicate with the cavity of the glazing through the open ends of the profiles which are opposite to the partition.
  • They can also be assembled by means of tubular brackets whose wings fit into the ends of the profiles, an orifice being provided in the brackets or in the wall facing the profiles, to communicate the interior space of the profiles with the cavity of the glazing, at the angles of the glazing.
  • a frame is made from a straight hollow section by folding thereof and holes are made in the corners of the frame, in its wall which is intended to be turned towards the cavity internal glazing.
  • the glazing 10 which is shown therein comprises, in a manner known per se, two glass sheets 12, 14 connected to each other over their entire periphery by a joint assembly and an interleafed interposed sealing frame. as a whole by the reference 16 which keeps them separated by trapping between them a flat cavity 18 which can contain air and / or a gas.
  • This assembly 16 generally comprises a rigid section 16 1 forming an intermediate frame glued to the sheets 12, 14.
  • the profile 16 1 is provided on each of its lateral faces in contact with the glass sheets, a butyl rubber gluing and sealing bead 16 2 and a peripheral sealing gasket 16 3 which adheres to the edges internals of the two glass sheets 12 and 14.
  • a waveguide is formed at the periphery of the latter, inside the assembly 16, which communicates with the cavity 18 via orifices placed at appropriate places.
  • the waveguide consists of a plurality of rectilinear tubular sections 20, 22, 24, 26 which are glued to the two glass sheets and to the inner faces of the assembly 16.
  • profiles have a rectangular section of the same height as the profiles forming spacer frame 16 1 , and are open at their ends. They include for example in the middle of their length, a median partition 28 which defines on either side of it two chambers 30, 31. These profiles are not contiguous, so that the chambers 30, 31 communicate with the cavity 18 through their open ends.
  • the waveguide can reduce the two wavelengths ⁇ 1/2 and ⁇ 2/2, ⁇ 1 and ⁇ 2 are respectively equal to c / L and c / 1.
  • the efficiency of the waveguide can be increased by inserting in the inner chambers 30, 31 an acoustically absorbent material 32.
  • a desiccant 34 is advantageously arranged in the intermediate frame profiles 16 1 , holes 36 drilled in these profiles 16 1 and ending inside the profiles 20, 22, 24 , 26 of the waveguide, putting this desiccant 34 in communication with the air of the cavity 18, via the waveguide profiles 20, 22, 24, 26.
  • FIGS. 3 and 4 differs from the preceding one only in that the straight tubular sections 20, 22, 24, 26 of the waveguide simultaneously serve as profiles of the rigid intermediate frame 16 1 serving to keep spaced the two sheets of glass.
  • the realization of the glazing is simpler, and the clear view of said glazing is increased.
  • the butyl rubber beads 16 2 which seal with the glass sheets are deposited on the lateral edges of the waveguide sections and the 34, as well as possibly the acoustic absorbent 32 are disposed within these profiles.
  • the lateral sides of the tubular sections 20, 22, 24, 26 are provided with longitudinal grooves 33 located between the butyl rubber beads 16 2 and the cavity 18. These grooves are able to serve as a reservoir safety for butyl rubber or in general the bonding putty that could migrate to the clear view of the cavity 18 under the effect of gravity, temperature or vibration.
  • the partition can be made in different ways, for example, it can be constituted by a throat 38 obtained by crushing two opposite walls of the profile ( Figure 5) or a single wall of the profile ( Figure 6). This is particularly convenient when the profiles 20, 22, 24, 26 are made of thermoplastic material; the profile is then crushed and heat-sealed.
  • the partition may also be constituted by a buffer 39 with a high acoustic absorption capacity (FIG. 7).
  • the partition may also be made using a bulkhead connector 40 as shown in FIG. 8.
  • This connector is constituted by a section of tubular section 41 of short length, for example approximately 2 to 5 cm, of section slightly smaller than that of the profiles 20, 22, 24, 26 of the waveguide, but of the same shape, so as to fit into them. It is provided in the middle of its length with a partition 28 and on its periphery, for example in line with the partition 28, with a rib 42 raised in relation to its surface and having a height equal to the thickness walls of the profiles 20, 22, 24, 26.
  • the bulkhead connector shown in FIG. 8 has longitudinal grooves 43 intended to receive the ribs 37 which project inside the sections 20, 22, 24, 26.
  • FIG. 9 shows in perspective a bracket 50 serving to assemble the profiles 20, 22, 24, 26 to facilitate their placement inside the double glazing, and in particular to ensure the continuity and solidarity of the double spacer frame.
  • glazing insofar as, as shown in FIGS. 3 and 4, the profiles 20, 22, 24, 26 at the same time act as an interim framework 16 1 .
  • Each bracket 50 comprises a central body 51 and two wings 53, 55 having the same external section as the profiles.
  • the wings are terminated by end pieces 56, 58 of reduced section so as to fit inside the ends of the profiles.
  • the brackets have in their inner corner windows 54 which communicate the interior of the waveguide with the cavity 18.
  • the manufacture of the acoustic insulating glazing unit of FIG. 3 is as follows: firstly, the four sections 20, 22, 24, 26 are formed by means of the partition connectors 40 and portions of tubular sections that are fitted onto these sections. In the four sections 20, 22, 24, 26 thus formed, the absorbent 32 and the desiccant 34 are introduced, then the sections are assembled by means of the brackets 50 to obtain the frame shown in FIG. 10. The length of the sections will be chosen according to the glazing dimensions that we want to manufacture. Is then deposited cords 16 2 butyl rubber on the side faces of the insert frame thus formed and then glue the two glass sheets 12, 14 of the spacer frame. Then injected into the groove formed at the periphery of the glazing a sealed plastic cord 16 3 .
  • the waveguide can also be made on demand, in one piece with the desired dimensions, for example by folding a long tubular section according to the shape and dimensions of the glazing to be formed and welding or in assembling in another way the two ends of the frame thus produced.
  • the partitions 28 will be made by one of the methods described above, for example, by introducing into the interior of the profile, before folding, four absorbent pads that are positioned so that, after folding, they are in the middle of the four sides of the guide, or, especially when it comes to thermoplastic profiles, by crushing the profile to wanted places and by heat-sealing.
  • the profiles 20, 22, 24, 26 are formed for example by means of tubes and partition connectors. A butyl rubber bead is then deposited on the lateral faces of each profile 20, 22, 24 and 26 thus formed. These profiles are then deposited inside a window during manufacture and already having its lower glass sheet 12 and its rigid intermediate frame 16 1 , bonded to this sheet 12. The profiles 20, 22, 24, 26 being in place, juxtaposed to the different sides of the spacer frame, the glazing is closed by putting in place the second glass sheet 14.
  • Such glazings according to the invention are particularly effective for air slats 16 to 24 mm in height.

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Special Wing (AREA)
  • Building Environments (AREA)
  • Glass Compositions (AREA)
  • Aerials With Secondary Devices (AREA)
  • Joining Of Glass To Other Materials (AREA)
EP00938865A 1999-06-08 2000-05-31 Vitrage isolant acoustique a guide d'onde cloisonne Expired - Lifetime EP1183437B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9907220 1999-06-08
FR9907220A FR2794792B1 (fr) 1999-06-08 1999-06-08 Vitrage isolant acoustique a guide d'onde cloisonne
PCT/FR2000/001501 WO2000075473A1 (fr) 1999-06-08 2000-05-31 Vitrage isolant acoustique a guide d'onde cloisonne

Publications (2)

Publication Number Publication Date
EP1183437A1 EP1183437A1 (fr) 2002-03-06
EP1183437B1 true EP1183437B1 (fr) 2006-10-25

Family

ID=9546520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00938865A Expired - Lifetime EP1183437B1 (fr) 1999-06-08 2000-05-31 Vitrage isolant acoustique a guide d'onde cloisonne

Country Status (15)

Country Link
US (1) US6668974B1 (pl)
EP (1) EP1183437B1 (pl)
JP (1) JP2003501572A (pl)
KR (1) KR100716129B1 (pl)
AT (1) ATE343699T1 (pl)
BR (1) BR0011384A (pl)
CA (1) CA2373019C (pl)
CZ (1) CZ20014372A3 (pl)
DE (1) DE60031528T2 (pl)
DK (1) DK1183437T3 (pl)
ES (1) ES2275516T3 (pl)
FR (1) FR2794792B1 (pl)
NO (1) NO324996B1 (pl)
PL (1) PL197058B1 (pl)
WO (1) WO2000075473A1 (pl)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2842242B1 (fr) 2002-07-15 2004-12-17 Saint Gobain Vitrage isolant acoustique a effet de pertes thermo-visqueuses
JP4178452B2 (ja) * 2002-12-26 2008-11-12 旭硝子株式会社 複層ガラス
JP4539725B2 (ja) * 2005-04-28 2010-09-08 旭硝子株式会社 複層ガラス
US20070039258A1 (en) * 2005-08-19 2007-02-22 Walker John R Iii Adjustable attachment system
JP4843398B2 (ja) * 2006-07-26 2011-12-21 本田技研工業株式会社 車両用ホイールの製造方法及び車両用ホイール
US7987644B2 (en) 2006-09-15 2011-08-02 Enclos Corporation Curtainwall system
FR2907490B1 (fr) * 2006-10-20 2008-12-05 Saint Gobain Vitrage isolant acoustique et profile creux constituant un dispositif d'amortissement acoustique.
JP4546948B2 (ja) * 2006-11-10 2010-09-22 本田技研工業株式会社 車両用ホイール
US8006442B2 (en) * 2007-07-02 2011-08-30 The Hong Kong Polytechnic University Double-glazed windows with inherent noise attenuation
FR2922937B1 (fr) * 2007-10-26 2009-11-20 Saint Gobain Vitrage a propriete d'amortissement vibro-acoustique ameliore, procede de fabrication d'un tel vitrage et procede de protection acoustique dans un habitacle de vehicule.
NL2005575C2 (nl) * 2010-05-10 2011-11-14 Unispace Project B V Geluidwerende deur, kozijn en samenstel van deur en kozijn.
FR2971286A1 (fr) * 2011-02-08 2012-08-10 Saint Gobain Espaceur, connecteur et vitrage isolant
US20150086048A1 (en) * 2013-09-20 2015-03-26 Corning Incorporated Acoustic panels and planar structures
JP6382141B2 (ja) * 2015-03-26 2018-08-29 日本板硝子株式会社 複層ガラス
EP3488066A4 (en) 2016-07-19 2019-12-25 Newtonoid Technologies, LLC WINDOW SYSTEM WITH INSERT TO PREVENT GLASS BREAKAGE
CN108821612B (zh) * 2018-06-22 2019-04-12 重庆市金顺玻璃有限公司 一种中空玻璃
CN111043239B (zh) * 2019-12-25 2021-09-17 西北工业大学宁波研究院 一种超弹低泊松比分布式胞元抑振结构
FR3117521B1 (fr) 2020-12-16 2023-06-30 Saint Gobain Vitrage à isolation acoustique aux basses fréquences
FR3117520A1 (fr) * 2020-12-16 2022-06-17 Saint-Gobain Glass France Vitrage acoustiquement isolant
FR3119857B1 (fr) 2021-02-12 2023-10-27 Saint Gobain Vitrage avec résonateurs
FR3137403A1 (fr) * 2022-07-01 2024-01-05 Saint-Gobain Glass France Vitrage présentant des performances améliorées d’isolation acoustique et d’absorption d’humidité

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GB1452927A (en) * 1973-02-03 1976-10-20 Council London Borough Hounslo Sound insulating wwindow structure
US3866001A (en) * 1974-03-04 1975-02-11 Junger Miguel C Structural block with septum
JPS5828150Y2 (ja) * 1977-03-26 1983-06-18 吉田工業株式会社 断熱遮音硝子装置
DE2803740C3 (de) * 1978-01-28 1982-10-28 Friedrich Holve, Profilzieherei und Metallwarenfabrik, KG, 8570 Hemer Mehrscheiben-Isolierglas
FR2529609A1 (fr) 1982-07-05 1984-01-06 Saint Gobain Vitrage Vitrage multiple a proprietes d'isolation thermique et acoustique
NL181289C (nl) 1983-01-20 1987-07-16 Zwaan Adrianus J Geluiddempend wandelement met ten minste twee panelen.
US4600078A (en) 1983-12-12 1986-07-15 Lockheed Corporation Sound barrier
ATE98332T1 (de) * 1988-09-27 1993-12-15 Lingemann Helmut Gmbh & Co Mehrscheibenisolierglas sowie abstandhalter fuer das mehrscheibenisolierglas.
US5290611A (en) * 1989-06-14 1994-03-01 Taylor Donald M Insulative spacer/seal system
CA1327730C (en) * 1989-06-15 1994-03-15 Gunter Berdan Window glass seal
GB2239213B (en) * 1989-12-23 1993-06-16 Glaverbel Fire-screening panels
US5088258A (en) * 1990-09-07 1992-02-18 Weather Shield Mfg., Inc. Thermal broken glass spacer
FR2693754B1 (fr) * 1992-07-16 1994-09-02 Saint Gobain Vitrage Int Caisson isolant acoustique.
JP3288510B2 (ja) * 1993-12-22 2002-06-04 株式会社リコー 消音装置
US5452362A (en) * 1994-01-26 1995-09-19 Sun Microsystems, Inc. Apparatus and method for cooling with noise control

Also Published As

Publication number Publication date
WO2000075473A1 (fr) 2000-12-14
ATE343699T1 (de) 2006-11-15
US6668974B1 (en) 2003-12-30
KR20020010614A (ko) 2002-02-04
CA2373019A1 (fr) 2000-12-14
PL197058B1 (pl) 2008-02-29
DE60031528T2 (de) 2007-08-23
CZ20014372A3 (cs) 2002-04-17
NO324996B1 (no) 2008-01-14
BR0011384A (pt) 2002-04-23
ES2275516T3 (es) 2007-06-16
CA2373019C (fr) 2008-07-15
EP1183437A1 (fr) 2002-03-06
NO20015939L (no) 2001-12-04
NO20015939D0 (no) 2001-12-04
PL352196A1 (en) 2003-08-11
JP2003501572A (ja) 2003-01-14
KR100716129B1 (ko) 2007-05-10
FR2794792B1 (fr) 2001-08-31
DK1183437T3 (da) 2007-02-26
DE60031528D1 (de) 2006-12-07
FR2794792A1 (fr) 2000-12-15

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