EP0620354B1 - Pressurized insulating glazing - Google Patents
Pressurized insulating glazing Download PDFInfo
- Publication number
- EP0620354B1 EP0620354B1 EP94400683A EP94400683A EP0620354B1 EP 0620354 B1 EP0620354 B1 EP 0620354B1 EP 94400683 A EP94400683 A EP 94400683A EP 94400683 A EP94400683 A EP 94400683A EP 0620354 B1 EP0620354 B1 EP 0620354B1
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- EP
- European Patent Office
- Prior art keywords
- space
- double glazing
- air
- panes
- glazing unit
- 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
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- 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
- E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes
Definitions
- the present invention relates to double pressurized glazing.
- double glazing is generally classified into two main categories, namely insulating glazing and breathing glazing.
- the air space trapped between the glass sheets is completely separated from the ambient atmospheres and, to avoid possible condensation of humidity inside the glazing on the glass sheets, a hygroscopic product is usually provided. , able to absorb moisture, inside the glazing.
- the air gap which separates the glass sheets having a constant volume the pressures and the forces exerted on the glazing sheet turned towards the outside of the room will be partially or fully transmitted (depending on the thickness ratio) to the sheet arranged inwards, which makes it possible to significantly reduce the thickness of the external glass sheet, without altering the mechanical resistance properties of the glazing.
- DE-A-4,024,143 discloses, for example, double pressurized glazing with a closed circuit, isolated from the external environment.
- the volume of air separating the two glass sheets communicates in a controlled manner with the outside, so that the vapor pressure inside the glazing is substantially the same as at exterior, eliminating the risk of condensation.
- the forces exerted on the outside sheet are not transmitted to the sheet arranged inside and there is no is therefore not possible to reduce the thickness of the outer sheet.
- Double glazing of the prior art is intended to separate atmospheres having different temperatures and likely to vary widely and frequently.
- the present invention aims to provide double glazing intended for more complete use, namely to separate two atmospheres which are substantially constant at identical or little different temperatures, as is the case, for example, for an unheated room , intended to serve as a warehouse or storage place.
- An object of the invention is therefore to propose a double glazing suitable for such use.
- Another object of the invention is to provide double glazing of this type, which does not present a risk of condensation between the two sheets of glass which it comprises.
- the invention finally aims to provide a double glazing meeting these requirements, in which the forces exerted on the glazing arranged outside can be transmitted to the other glazing, which reduces the sum of the two thicknesses of the glazing.
- the invention relates to a double pressurized glazing, according to claim 1.
- this glazing comprises two glass panels mounted in parallel on a support frame and trapping between them in a substantially airtight manner a volume of air. It comprises a means for supplying clean and dry air under pressure of the volume which separates the glass panels and a means for evacuating this air under pressure.
- the means for supplying and removing pressurized air may simply comprise two conduits, connected respectively to a source of dry and clean air and to an exhaust manifold and each opening into the volume which separates the two glass panels by a nozzle having a very small diameter orifice, making it possible to maintain a flow of constant air, of very low flow, of the order, for example, from 1 to 100 l / h, and under a low relative pressure, of the order of 0 to 5000 Pa, for example.
- the double glazing will also include a means of controlled communication with the outside of the volume which separates the two sheets of glass.
- This means will include a calibrated orifice nozzle of very small diameter communicating with the outside.
- the thickness of the two glazings can therefore be calculated according to DTU 39 Insulating Glass, namely, in the case where the difference in thickness between the outer skin and the inner skin is very large (infinitely flexible outer skin, skin interior infinitely rigid), bring in the suction effect in order to almost completely transmit the pressure / depression effects on the interior skin.
- the glazing according to the invention it is not necessary, with the glazing according to the invention, to provide, during normal use, a hygroscopic product between the glass panels, but it will be advantageous in practice to provide a small amount of such a desiccant in the internal volume double glazing. Indeed, during the production of double glazing, the air trapped in it contains a certain amount of humidity and, when the double glazing is then stored at temperatures lower than that prevailing during its production, condensation risks to happen inside of it.
- the double glazing according to the invention will naturally be delivered to users with all the openings which it comprises (and in particular the external orifices of the conduits with which it is equipped) closed hermetically, in order to avoid any introduction of ambient humidity into the volume. separating the glass panels.
- the glass panels facing the exterior of the building are designated by the reference 1 and the panels facing the interior of the premises 10 are marked with the reference 2.
- the panels 1 and 2 are respectively framed by metal profiles 3 and 4, with the interposition of an elastomer or a plastomer, respectively 5 and 6, which provides sealing along the entire periphery of the panels 1 and 2.
- Profiles 3 and 4 can be of different types (aluminum or stainless steel) provided that the material is impermeable to water vapor. Profile 3 keeps the panels 1 and 2 at constant spacing and is made integral with profile 4 by mechanical fixing.
- air under low pressure is supplied at a substantially constant flow rate, under low pressure, through a first conduit 9, from a source of pressurized air, in the internal volume 15 limited by the panels 1 and 2 and profiles 3 and 4, and this air is evacuated through a duct 11, equipped with a system filtration, intended to retain dust and other particles in suspension.
- the conduits 9 and 11 open into the volume 15 to be pressurized by fittings such as 12, comprising an orifice of very small diameter, either directly, or by means of closed volumes such as that referenced 13 of the profile 3, which communicate with each other -same by orifices 14 of the order of a few tenths of a millimeter with the volume 15.
- fittings such as 12, comprising an orifice of very small diameter, either directly, or by means of closed volumes such as that referenced 13 of the profile 3, which communicate with each other -same by orifices 14 of the order of a few tenths of a millimeter with the volume 15.
- the connection of the supply duct 11 is offset laterally on the profile 3 and this is the reason why it does not appear on the drawing.
- a third conduit 16 communicating with the outside atmosphere opens out through a fitting 17 into a closed volume 18 of the profile 1, itself in communication through an orifice 19 of a few tenths of a millimeter with the outside ambient atmosphere.
- the orifice 19 will advantageously be equipped with a filter element.
- a moisture absorbing product may be present in volume 15 or in one of the volumes such as 13 of the profile 3 communicating with volume 15, in order to absorb moisture initially present in this volume 15, after manufacture of the glazing. Due to the leakage to the outside provided by the fitting 17, the volume 18 and the orifice 19, the humidity level in the volume 15 will thereafter be the same as outside and, like the temperatures in the room and outside will also be identical, there will be no fear of condensation on the glass panels 1 and 2.
- the invention therefore provides a simple and easy to implement means for equipping double glazing with unheated premises, which are appreciably in all seasons at room temperature, without risk of condensation on the glass panels, under these very special conditions of use.
- thermoplastic according to the invention lies, moreover, in the durability of this pressurized complex, which is identical to that of its constituents.
Abstract
Description
La présente invention concerne un vitrage double pressurisé.The present invention relates to double pressurized glazing.
On connaît de nombreux types de vitrages multiples, généralement utilisés pour l'isolation thermique et phonique de pièces d'immeubles à usage d'habitation ou de locaux de travail. Dans une telle utilisation, les vitrages doubles ou triples séparent des atmosphères ambiantes qui sont à des températures différentes et il convient donc d'éviter toute condensation d'humidité à l'intérieur du vitrage.Many types of multiple glazing are known, generally used for thermal and sound insulation of parts of buildings for residential use or work premises. In such use, double or triple glazing separates ambient atmospheres which are at different temperatures and it is therefore advisable to avoid any condensation of moisture inside the glazing.
Suivant les techniques utilisées dans ce but, on classe généralement les vitrages doubles en deux grandes catégories, à savoir les vitrages isolants et les vitrages à respiration.According to the techniques used for this purpose, double glazing is generally classified into two main categories, namely insulating glazing and breathing glazing.
Dans les vitrages isolants, la lame d'air emprisonnée entre les feuilles de verre est complètement séparée des atmosphères ambiantes et, pour éviter une éventuelle condensation d'humidité à l'intérieur du vitrage sur les feuilles de verre, on prévoit habituellement un produit hygroscopique, apte à absorber l'humidité, à l'intérieur du vitrage. La lame d'air qui sépare les feuilles de verre ayant un volume constant, les pressions et les efforts exercés sur la feuille du vitrage tournée vers l'extérieur du local seront transmis partiellement ou intégralement (en fonction du rapport des épaisseurs) à la feuille disposée vers l'intérieur, ce qui permet de réduire de façon significative l'épaisseur de la feuille de verre externe, sans altérer les propriétés de résistance mécanique du vitrage.In insulating glazing, the air space trapped between the glass sheets is completely separated from the ambient atmospheres and, to avoid possible condensation of humidity inside the glazing on the glass sheets, a hygroscopic product is usually provided. , able to absorb moisture, inside the glazing. The air gap which separates the glass sheets having a constant volume, the pressures and the forces exerted on the glazing sheet turned towards the outside of the room will be partially or fully transmitted (depending on the thickness ratio) to the sheet arranged inwards, which makes it possible to significantly reduce the thickness of the external glass sheet, without altering the mechanical resistance properties of the glazing.
On connaît par exemple par DE-A-4 024 143 un vitrage double pressurisé à circuit fermé, isolé de l'ambiance externe.DE-A-4,024,143 discloses, for example, double pressurized glazing with a closed circuit, isolated from the external environment.
Dans les vitrages dits "respirants", le volume d'air séparant les deux feuilles de verre communique de façon contrôlée avec l'extérieur, de sorte que la pression de vapeur à l'intérieur du vitrage est sensiblement le même qu'à l'extérieur, ce qui élimine les risques de condensation. En revanche, dans la mesure où une partie de l'air emprisonné entre les feuilles de verre peut être évacuée vers l'extérieur, les efforts exercés sur la feuille extérieure ne sont pas transmis à la feuille disposée vers l'intérieur et il n'est donc pas possible de réduire l'épaisseur de la feuille extérieure.In so-called "breathable" glazing, the volume of air separating the two glass sheets communicates in a controlled manner with the outside, so that the vapor pressure inside the glazing is substantially the same as at exterior, eliminating the risk of condensation. On the other hand, insofar as part of the air trapped between the glass sheets can be evacuated towards the outside, the forces exerted on the outside sheet are not transmitted to the sheet arranged inside and there is no is therefore not possible to reduce the thickness of the outer sheet.
Les vitrages doubles de la technique antérieure sont destinés à séparer des atmosphères présentant des températures différentes et susceptibles de varier largement et fréquemment.Double glazing of the prior art is intended to separate atmospheres having different temperatures and likely to vary widely and frequently.
La présente invention vise à proposer un vitrage double destiné à une utilisation plus complète, à savoir séparer deux atmosphères qui sont de façon sensiblement constante à des températures identiques ou peu différentes, comme c'est le cas, par exemple, pour un local non chauffé, destiné à servir d'entrepôt ou de lieu d'archivage.The present invention aims to provide double glazing intended for more complete use, namely to separate two atmospheres which are substantially constant at identical or little different temperatures, as is the case, for example, for an unheated room , intended to serve as a warehouse or storage place.
Un but de l'invention est donc de proposer un vitrage double convenant à une telle utilisation.An object of the invention is therefore to propose a double glazing suitable for such use.
Un autre but de l'invention est de proposer un vitrage double de ce type, qui ne présente pas de risque de condensation entre les deux feuilles de verre qu'il comprend.Another object of the invention is to provide double glazing of this type, which does not present a risk of condensation between the two sheets of glass which it comprises.
L'invention a enfin pour but de proposer un vitrage double répondant à ces exigences, dans lequel les efforts exercés sur le vitrage disposé à l'extérieur puissent être transmis à l'autre vitrage, ce qui permet de réduire la somme des deux épaisseurs du vitrage.The invention finally aims to provide a double glazing meeting these requirements, in which the forces exerted on the glazing arranged outside can be transmitted to the other glazing, which reduces the sum of the two thicknesses of the glazing.
A cet effet, l'invention a pour objet un vitrage double pressurisé, conforme à la revendication 1.To this end, the invention relates to a double pressurized glazing, according to
En d'autres termes, ce vitrage comprend deux panneaux de verre montés en parallèle sur un cadre support et emprisonnant entre eux de façon sensiblement étanche un volume d'air. Il comprend un moyen d'alimentation en air propre et sec sous pression du volume qui sépare les panneaux de verre et un moyen d'évacuation de cet air sous pression. Les moyens d'alimentation et d'évacuation de l'air sous pression pourront comprendre simplement deux conduits, connectés respectivement à une source d'air sec et propre et à un collecteur d'évacuation et débouchant chacun dans le volume qui sépare les deux panneaux de verre par une buse présentant un orifice de très petit diamètre, permettant de maintenir un flux d'air constant, de très faible débit, de l'ordre, par exemple, de 1 à 100 l/h, et sous une faible pression relative, de l'ordre de 0 à 5000 Pa, par exemple.In other words, this glazing comprises two glass panels mounted in parallel on a support frame and trapping between them in a substantially airtight manner a volume of air. It comprises a means for supplying clean and dry air under pressure of the volume which separates the glass panels and a means for evacuating this air under pressure. The means for supplying and removing pressurized air may simply comprise two conduits, connected respectively to a source of dry and clean air and to an exhaust manifold and each opening into the volume which separates the two glass panels by a nozzle having a very small diameter orifice, making it possible to maintain a flow of constant air, of very low flow, of the order, for example, from 1 to 100 l / h, and under a low relative pressure, of the order of 0 to 5000 Pa, for example.
Le double vitrage comprendra également un moyen de mise en communication contrôlée avec l'extérieur du volume qui sépare les deux feuilles de verre. Ce moyen comprendra une buse d'orifice calibré de très petit diamètre communiquant avec l'extérieur.The double glazing will also include a means of controlled communication with the outside of the volume which separates the two sheets of glass. This means will include a calibrated orifice nozzle of very small diameter communicating with the outside.
On retrouvera ainsi conjointement, dans le vitrage conforme à l'invention, les avantages des vitrages doubles non pressurisés de la technique antérieure, qu'ils soient isolants ou "respirants", à savoir :
- du fait que l'intérieur du vitrage est en permanence en communication avec l'extérieur, la pression de vapeur dans la lame d'air sera très proche de la pression de vapeur côté extérieur, ce qui, du fait de la faible différence de température, supprimera tout risque de condensation entre les panneaux de verre ;
- de par la très faible ouverture faisant communiquer l'air dans la lame d'air avec l'ambiance extérieure, les effets du vent en pression et dépression pourront être partiellement transmis à la peau intérieure.
- because the interior of the glazing is in permanent communication with the exterior, the vapor pressure in the air space will be very close to the vapor pressure on the exterior, which, due to the small temperature difference , will eliminate any risk of condensation between the glass panels;
- Due to the very small opening making the air in the air space communicate with the outside atmosphere, the effects of wind in pressure and depression can be partially transmitted to the inner skin.
L'épaisseur des deux vitrages pourra, par conséquent, être calculée suivant le DTU 39 Vitrage Isolant, à savoir, dans le cas où la différence d'épaisseur entre la peau extérieure et la peau intérieure est très importante (peau extérieure infiniment souple, peau intérieure infiniment rigide), faire intervenir l'effet ventouse afin de transmettre presque intégralement les effets pression/dépression sur la peau intérieure.The thickness of the two glazings can therefore be calculated according to DTU 39 Insulating Glass, namely, in the case where the difference in thickness between the outer skin and the inner skin is very large (infinitely flexible outer skin, skin interior infinitely rigid), bring in the suction effect in order to almost completely transmit the pressure / depression effects on the interior skin.
Il n'est pas nécessaire, avec le vitrage conforme à l'invention, de prévoir en cours d'utilisation normale un produit hygroscopique entre les panneaux de verre, mais il sera avantageux, dans la pratique, de prévoir une petite quantité d'un tel produit dessicant dans le volume interne du double vitrage. En effet, lors de la réalisation du double vitrage, l'air emprisonné dans celui-ci contient une certaine quantité d'humidité et, lorsque le vitrage double est stocké ensuite à des températures inférieures à celle régnant lors de sa réalisation, une condensation risque de se produire à l'intérieur de celui-ci.It is not necessary, with the glazing according to the invention, to provide, during normal use, a hygroscopic product between the glass panels, but it it will be advantageous in practice to provide a small amount of such a desiccant in the internal volume double glazing. Indeed, during the production of double glazing, the air trapped in it contains a certain amount of humidity and, when the double glazing is then stored at temperatures lower than that prevailing during its production, condensation risks to happen inside of it.
Le double vitrage conforme à l'invention sera naturellement livré aux utilisateurs avec toutes les ouvertures qu'il comprend (et notamment les orifices externes des conduits dont il est équipé) fermées hermétiquement, afin d'éviter toute introduction d'humidité ambiante dans le volume séparant les panneaux de verre.The double glazing according to the invention will naturally be delivered to users with all the openings which it comprises (and in particular the external orifices of the conduits with which it is equipped) closed hermetically, in order to avoid any introduction of ambient humidity into the volume. separating the glass panels.
Une forme de mise en oeuvre de l'invention va être décrite ci-après plus en détail, en référence à la figure unique du dessin annexé, qui est une coupe transversale partielle d'une façade équipée de deux doubles vitrages pressurisés conformes à l'invention.An embodiment of the invention will be described below in more detail, with reference to the single figure of the accompanying drawing, which is a partial cross section of a facade equipped with two pressurized double glazings in accordance with invention.
Sur le dessin, les panneaux de verre tournés vers l'extérieur du bâtiment sont désignés par la référence 1 et les panneaux tournés vers l'intérieur des locaux 10 portent la référence 2. Les panneaux 1 et 2 sont respectivement encadrés par des profilés métalliques 3 et 4, avec interposition d'un élastomère ou d'un plastomère, respectivement 5 et 6, qui assure l'étanchéité suivant toute la périphérie des panneaux 1 et 2.In the drawing, the glass panels facing the exterior of the building are designated by the
Les profilés 3 et 4 peuvent être de différentes natures (aluminium ou acier inoxydable) sous réserve que le matériau soit imperméable à la vapeur d'eau. Le profilé 3 maintient à écartement constant les panneaux 1 et 2 et il est rendu solidaire du profilé 4 par fixation mécanique.Profiles 3 and 4 can be of different types (aluminum or stainless steel) provided that the material is impermeable to water vapor. Profile 3 keeps the
Conformément à l'invention, de l'air sous faible pression est acheminé à débit sensiblement constant, sous faible pression, par un premier conduit 9, à partir d'une source d'air sous pression, dans le volume interne 15 limité par les panneaux 1 et 2 et les profilés 3 et 4, et cet air est évacué par un conduit 11, équipé d'un système de filtration, destiné à retenir les poussières et autres particules en suspension.According to the invention, air under low pressure is supplied at a substantially constant flow rate, under low pressure, through a first conduit 9, from a source of pressurized air, in the
Les conduits 9 et 11 débouchent dans le volume 15 à pressuriser par des raccords tels que 12, comprenant un orifice de très petit diamètre, soit directement, soit par l'intermédiaire de volumes fermés tels que celui référencé 13 du profilé 3, qui communiquent eux-mêmes par des orifices 14 de l'ordre de quelques dixièmes de millimètre avec le volume 15. Le raccord du conduit d'alimentation 11 est décalé latéralement sur le profilé 3 et c'est la raison pour laquelle il n'apparaît pas sur le dessin.The
Un troisième conduit 16, communiquant avec l'ambiance extérieure, débouche par un raccord 17 dans un volume fermé 18 du profilé 1, lui-même en communication par un orifice 19 de quelques dixièmes de millimètre avec l'atmosphère ambiante extérieure. L'orifice 19 sera avantageusement équipé d'un élément filtrant.A third conduit 16, communicating with the outside atmosphere, opens out through a
Comme on l'a indiqué ci-dessus, un produit absorbant l'humidité pourra être présent dans le volume 15 ou dans l'un des volumes tels que 13 du profilé 3 communiquant avec le volume 15, en vue d'absorber l'humidité présente initialement dans ce volume 15, après fabrication du vitrage. Du fait de la fuite vers l'extérieur assurée par le raccord 17, le volume 18 et l'orifice 19, le degré hygrométrique dans le volume 15 sera par la suite le même qu'à l'extérieur et, comme les températures dans le local et à l'extérieur seront également identiques, il n'y aura pas à craindre de condensation sur les panneaux de verre 1 et 2.As indicated above, a moisture absorbing product may be present in
On notera qu'en cas d'arrêt momentané du système d'alimentation en air sous pression du volume 15, par exemple à la suite d'une panne d'électricité, les très petites dimensions des orifices assurent une très longue période de sécurité, sans risque de condensation sur les panneaux 1 et 2, pouvant atteindre jusqu'à une semaine.It will be noted that in the event of a temporary shutdown of the pressurized air supply system of
L'invention apporte donc un moyen simple et facile à mettre en oeuvre pour équiper de doubles vitrages des locaux non chauffés, qui sont sensiblement en toute saison à la température ambiante, sans risque de condensation sur les panneaux vitrés, dans ces conditions très spéciales d'utilisation.The invention therefore provides a simple and easy to implement means for equipping double glazing with unheated premises, which are appreciably in all seasons at room temperature, without risk of condensation on the glass panels, under these very special conditions of use.
Un avantage important du vitrage conforme à l'invention réside, en outre, dans la pérennité de ce complexe pressurisé, qui est identique à celle de ses constituants.An important advantage of the glazing according to the invention lies, moreover, in the durability of this pressurized complex, which is identical to that of its constituents.
Claims (4)
- Pressurised double glazing unit, comprising two panes of glass (1, 2) mounted in parallel on a supporting frame (3, 4) and trapping substantially tightly between them a quantity of air (15), this double glazing unit being characterised in that it comprises a means (9) of supplying compressed air to the space (15) separating the panes of glass and an evacuation means (11, 12) for this compressed air, such that when these means are in operation the rate of supply of compressed air to this space (15) is between 1 and 100 l/hr and the pressure of the air is between 0 and 5000 Pa, and in that it comprises a means for bringing the space (15) separating the panes (1, 2) into controlled communication with the outside, said means comprising a nozzle with a very small diameter communicating with the outside.
- A pressurised double glazing unit according to claim 1, characterised in that said means (16) of communication with the outside, communicating with the external environment, opens via a connection (17) in a closed space (18) in a supporting frame (3, 4), itself in communication via an orifice (19) of several tenths of a millimetre with the external ambient atmosphere and provided with a filtering element.
- A pressurised double glazing unit according to either one of claims 1 and 2, characterised in that said compressed air supply and evacuation means comprise two ducts (9, 11) connected respectively with a source of clean dry air and with an evacuation collector and each opening into the space (15) which separates the two panes of glass (1, 2) via a nozzle with an orifice of very small diameter.
- A pressurised double glazing unit according to any one of the preceding claims, characterised in that it comprises, in the space (15) separating the panes (1, 2) or in an auxiliary space in contact with this space (15), a quantity of a hygroscopic product which is at least sufficient to absorb the moisture trapped in the space (15) separating the panes (1, 2) at the time of construction of the double glazing unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9304181 | 1993-04-08 | ||
| FR9304181A FR2703723B1 (en) | 1993-04-08 | 1993-04-08 | Pressurized double glazing. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0620354A1 EP0620354A1 (en) | 1994-10-19 |
| EP0620354B1 true EP0620354B1 (en) | 1997-07-30 |
Family
ID=9445890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94400683A Expired - Lifetime EP0620354B1 (en) | 1993-04-08 | 1994-03-30 | Pressurized insulating glazing |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0620354B1 (en) |
| AT (1) | ATE156231T1 (en) |
| BE (1) | BE1008242A6 (en) |
| CH (1) | CH689947A5 (en) |
| DE (1) | DE9405754U1 (en) |
| FR (1) | FR2703723B1 (en) |
| LU (1) | LU88473A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2442948A1 (en) * | 1978-12-01 | 1980-06-27 | Saint Gobain | Priming the spaces within double-glazed window units - with a thermal insulation gas by using hypodermic needles to fill and exhaust the air space |
| DE4024143A1 (en) * | 1990-07-30 | 1992-02-06 | Koester Helmut | Insulated glass assembly - has flow channels at profiled distance holders between glass panes for heating or cooling medium to flow between them |
| DE9103363U1 (en) * | 1991-03-19 | 1991-07-18 | Kliesch, Christoph, Dipl.-Ing., 5180 Eschweiler, De |
-
1993
- 1993-04-08 FR FR9304181A patent/FR2703723B1/en not_active Expired - Lifetime
-
1994
- 1994-03-30 AT AT94400683T patent/ATE156231T1/en not_active IP Right Cessation
- 1994-03-30 EP EP94400683A patent/EP0620354B1/en not_active Expired - Lifetime
- 1994-04-05 CH CH00982/94A patent/CH689947A5/en not_active IP Right Cessation
- 1994-04-06 LU LU88473A patent/LU88473A1/en unknown
- 1994-04-07 DE DE9405754U patent/DE9405754U1/en not_active Expired - Lifetime
- 1994-04-07 BE BE9400363A patent/BE1008242A6/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH689947A5 (en) | 2000-02-15 |
| DE9405754U1 (en) | 1994-06-01 |
| FR2703723A1 (en) | 1994-10-14 |
| LU88473A1 (en) | 1994-12-01 |
| EP0620354A1 (en) | 1994-10-19 |
| BE1008242A6 (en) | 1996-02-27 |
| FR2703723B1 (en) | 1995-06-02 |
| ATE156231T1 (en) | 1997-08-15 |
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