EP0760892A1 - Verfahren und vorrichtung zum befüllen eines zwischenraumes einer isolierglaseinheit - Google Patents
Verfahren und vorrichtung zum befüllen eines zwischenraumes einer isolierglaseinheitInfo
- Publication number
- EP0760892A1 EP0760892A1 EP95921803A EP95921803A EP0760892A1 EP 0760892 A1 EP0760892 A1 EP 0760892A1 EP 95921803 A EP95921803 A EP 95921803A EP 95921803 A EP95921803 A EP 95921803A EP 0760892 A1 EP0760892 A1 EP 0760892A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- press
- glasses
- gas
- filling
- spacer frame
- 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
Links
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
- E06B3/677—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
- E06B3/6775—Evacuating or filling the gap during assembly
Definitions
- the invention relates to a method for filling an intermediate space between two glasses of a pane-shaped insulating glass unit with a spacer frame arranged between the glasses and having the primary seals, with filling gas in a press for sealingly joining the two glasses, according to the preamble of claim 1 and a device according to the preamble of claim 7.
- Disc-shaped insulating glass units with a low coefficient of thermal conductivity which enable the production of windows with good thermal insulation in order to be able to meet the demand for saving thermal energy.
- the most common insulating glass units essentially consist of two opposing glasses, which are spaced apart by a spacer frame made of strips, the intermediate space thus produced being filled with a gas. Pure argon, krypton or sulfur hexafluoride, for example, is used to fill this gas-tight intermediate space in order to reduce the thermal conductivity of the insulating glass unit.
- a method for producing insulating glass units has been known for some time and is shown, for example, in DE-OS 42 02 612.
- spacer frames are provided with primary seals on both sides.
- At least two glasses are with the Spacer frame assembled to an insulating glass unit and pressed.
- the air contained in the intermediate space is at least partially, preferably approximately 90%, replaced by a gas, for example a heavy gas such as sulfur hexafluoride or a noble gas such as argon or krypton.
- a gas for example a heavy gas such as sulfur hexafluoride or a noble gas such as argon or krypton.
- at least two small openings are provided in the spacer frame, through which gas can be supplied to the intermediate space, for example by means of nozzles, and air can be extracted.
- a device for filling an insulating glass unit with filling gas is known from DE-GM 87 15 749, which is intended to avoid the disadvantage of the risk of the glasses bursting.
- two press cheeks are provided, which can be placed against the outer surfaces of the glasses with preselectable pressure during the filling process.
- the risk of the glasses bursting during filling as a result of excessive pressure differences from the surroundings is largely eliminated by the pressure force being dissipated via the glass surfaces to the press cheeks that absorb the pressure behind. Satisfactory filling of the interspace is also not possible with this device, since it otherwise has the same disadvantages as the prior art according to DE-OS 42 02 612.
- the previously mentioned methods and devices have the same common disadvantage that they cannot be integrated into the production line for producing finished insulating glass windows, but must be carried out outside the production line.
- DE-OS 40 22 185 shows how insulating glass units can be filled more quickly with gas without risk of glass bursting due to excessive filling pressures when filling with the gas within the production line, in the process for assembling insulating glass units illustrated there. which are filled with a gas other than air.
- the two glasses are each held on a press cheek, which can absorb the pressure forces when filling with the gas.
- the two press cheeks are so far apart that one glass just does not yet contact the spacer frame which is already attached to the other glass. This initially creates a delimited, leaky gap.
- One of the two press cheeks has a pivotable area, so that the glass held thereon can be bent away in part from the opposite glass, which supports the spacer frame, along an edge of the press cheek.
- the filling gas becomes, as it were, through the slit-shaped gap which thus arises between the upper glass edges and which, viewed from the side, has an approximately wedge-shaped profile the filling of a liquid into a container by means of a probe from above into the intermediate space.
- the air to be displaced is drawn off by means of a probe on the wedge-shaped side of the slot-shaped gap.
- DE-GM 90 14 304 A possible solution for avoiding glass breakage and for increasing the gas exchange cross section is shown in DE-GM 90 14 304.
- the two glasses are each arranged on a press cheek, which forms the Should absorb pressure forces when filling with gas.
- the press cheeks can be brought closer together for pressing the insulating glass unit.
- one of the press cheeks is now pivoted at least partly or also in its entirety about an upper edge, so that the press cheeks or parts thereof are arranged in a wedge shape with the tip facing upwards can.
- One glass can touch the spacer frame, which is already attached to the other glass, at least at the upper edge. At the bottom of the glasses there is an open gap between one glass and the spacer frame attached to the other glass. The wedge-shaped open sides of the intermediate space thus formed are not sealed.
- Two probes are arranged in the area of the lower edge of the insulating glass unit. One probe is used to introduce the gas through the gap into the intermediate space and the other probe is used to extract air or air-gas mixture from the intermediate space of the insulating glass unit.
- the invention is based on DE-OS 40 22 185.
- the object of the present invention is to provide a method with which the speed when filling the intermediate space can be increased further without having to accept increased gas losses.
- the gas By filling the gas, which is heavier than air, from below into the space formed by the disc-shaped insulating glasses, the spacer frame and the press-side sealant, the gas can advantageously be like water, forming a separating layer against the existing air, this separating layer Flow upwards in front of you without loss until all the air is displaced and replaced by the gas.
- the maximum inlet cross section for the gas which is determined by the width of the gap between the spacer frame and the opposite glass and by the entire length of the insulating glass unit, is so large that even at high volume flows, low flow velocities are used for rapid filling of the intermediate space with the gas can be so that disturbing turbulence is prevented and the gas flow remains essentially laminar.
- the gap-forming distance between the one glass and the spacer frame advantageously ensures that the still free primary seal on the spacer frame, which is already pressed against a glass via the other primary seal, does not come into premature contact with the opposite glass and the sealing effect during the final pressing is thereby reduced. Furthermore, the expected gas loss during filling can be limited to the volume between the glass surface and the gap between the glass and the opposite spacer frame, assuming an optimal seal by the press-side sealant, so that the total loss can be less than 100%.
- all commercially available insulating glasses can advantageously be used regardless of the glass geometry and type of glass, since there is no bending of the glasses.
- the sealing means on the press side ensure good lateral sealing of the space to be filled even when such model glasses are filled, so that no major gas losses can occur. If the intermediate space is only partially filled with filling gas before the closing movement takes place, the total gas loss can be further reduced, for example below 10%.
- the space and the volume which is defined by the glass surface and the gap sealed by the press-side sealant between the glass and the opposite spacer frame, is so far filled with gas that the amount of gas contained in the volume is just sufficient to cover the part that has not yet been filled of the space during the closing movement of the press cheeks by completely displacing the gas from the volume into the space.
- the gas loss can thus be approximately pressed against 0%.
- the gas inlet surface extends at least approximately over the entire lower edge length of the insulating glass unit. This advantageously results in the largest possible inlet cross section for the gas, so that the flow velocity can be reduced to avoid turbulence. Furthermore, this largest possible gas inlet area favors the formation of a homogeneous gas front of the gas flow.
- the filling process can be carried out easily and regulated quickly.
- the required amount of gas from known quantities such as the density of the gas, the temperature and the pressure of the gas when filling and the volume of the interspace determined.
- the volume of the space can be determined via the glass surface and the thickness of the spacer frame.
- the volume between the glass surface and the spacer frame can be determined, for example, from the position of the press cheeks and the aforementioned sizes.
- the quantity of gas required to fill the intermediate space can thus be supplied to the intermediate space without the need for complex sensor devices for checking the fill level.
- the degree of filling of the space can be determined with a sensor device. By comparing the amount of gas flowing in and the degree of filling, possible leaks through which gas is undesirably lost are quickly ascertained.
- the invention is based on DE-OS 40 22 185 and achieves the stated object by the characterizing features of claim 7.
- the press cheeks with the glasses arranged thereon, of which one glass already has the spacer frame, are spaced apart from one another to such an extent that there is a narrow gap between the one glass and the spacer.
- the gas which is heavier than air, can flow from below through the gap into the intermediate space through a gas supply device, which is arranged in the region of the lower edge of the press cheeks and opens into the gap between the press cheeks.
- the press-side sealant advantageously prevent the gas from escaping sideways.
- at least one of the press-side sealing devices is arranged displaceably on a press cheek, so that any glass format can be processed, the non-displaceable sealing device forming a stop for the one side edge of the glasses of any size insulating glass unit.
- the displaceable sealing device can then then be moved against the opposite side edge of the insulating glass unit, so that the intermediate space is sealed at the side and no gas can escape during filling.
- the sealing device which is fixedly arranged on the one press cheek, is aligned with the second press cheek, so that a relative movement of the press cheeks towards one another is not impeded when the glasses are pressed.
- the thickness of the movable sealing device is selected so that all combinations of glasses and spacer frames for the common different insulating glass units can be processed in the device without the glasses being pressed together by a relative movement of the press cheeks otherwise the movement can be blocked.
- a clean sealing of the side gap against gas leakage is always guaranteed, since the sealing device overlaps in alignment with the spacer frame.
- this means that the thickness is somewhat more than a glass thickness plus the gap thickness between the glass and the spacer frame.
- a multi-part, for example labyrinth-shaped, displaceable seal according to claim 10 then has at least two sealing device elements arranged parallel to one another at a small distance and having a thickness which is less than the total thickness of the pressed insulating glass unit, so that a good sealing of the space to be filled with gas is also ensured as a result of their overlap.
- the sealing devices extend over the entire height of the press cheeks. This ensures with simple constructional means that a lateral sealing of the intermediate space is ensured for all glass sizes that can be processed on the press. A complex adaptation to the height of the insulating glass unit can be dispensed with, which would otherwise cause time losses.
- the gas supply device has a cover which is preferably band-shaped and displaceable, such as a bellows or a blind, which limits the open area of the gas outlet opening to the respective length of the lower edge of the glasses, so that always exactly the maximum possible outlet cross-section is available for the gas, regardless of the size of the insulating glass unit. All common insulating glass units can thus be processed on the device according to the invention. The greatest necessary length of the gas outlet opening is determined by the greatest insulating glass length to be processed.
- the gas supply device has a cover, for example made of porous sintered material, it is protected against falling glass fragments in the event of glass breakage which cannot be completely excluded. Contamination of the gas outlet opening by possibly falling dirt particles is also largely prevented.
- a cover enables the flow profile to be homogenized in the region of the gas outlet, ie a more even flow direction. tion and the flow velocity over the gas outlet cross section, so that turbulence can be prevented from the start.
- FIG. 1 schematically shows in section the structure of an exemplary embodiment of a device according to the invention.
- FIG. 2 schematically shows a three-dimensional view of a part of the device according to the invention according to FIG. 1.
- FIGS. 1 and 2 The proportions of the exemplary embodiment of a device according to the invention shown in FIGS. 1 and 2 do not correspond to the real dimensions, in particular the thickness of the glasses or the spacer frame is shown enlarged for better understanding.
- FIG. 1 illustrates the arrangement of the glasses in a press for pressing the glasses with the spacer frame after the intermediate space has been filled with gas to produce insulating glass units.
- the glass 1 with the spacer frame 2 located thereon is secured by holding devices (not shown). lines arranged on the stationary press cheek 8.
- the stationary or stationary press cheek 8 is, for example, slightly inclined from the vertical in order to prevent the glass 1 from tilting away.
- the glass 1 with the spacer frame 2 attached to it is generally supplied in an approximately upright position via a suitable feed (not shown in more detail), for example a roller conveyor or a conveyor belt, to the stationary press cheek 8 and supported there on its lower glass edge, for example by roller holders against the Press cheek 8 inclined.
- Suction cups, not shown, which can be integrated into the press cheek 8, for example, can ensure a non-displaceable positioning of the glass 1 on the press cheek 8.
- the glass 3 is fed to the press in a similar manner and is arranged on the movable press cheek 9.
- the press cheek 9 also has suitable holding devices, for example roll holders and / or suction cups, so that the glass 3 can be arranged approximately parallel to the glass 1 opposite it.
- the glass 1 with the spacer frame 2 is then spaced from the glass 3 in parallel, for example, by a gap 11 which is defined between the spacer frame 2 and the glass 3.
- the gas supply device 6 touches with its upper peripheral edge of the gas outlet opening 14 the lower edge of the glass 3 and the lower edge of the spacer frame 2, so that the gap 11 is covered as completely as possible from below by the gas outlet opening 14. So that is ensures that no gas can escape in the lower region of the glasses.
- a gas flow 10 flowing in through the gas supply device 6 displaces the gas in the space between the
- the arrow 13 describes the direction of movement of the press cheeks towards one another when the glasses are pressed together with the spacer frame 2 to produce a finished insulating glass unit after the intermediate space has preferably been completely filled with gas and from one another in order to again glasses for a next filling operation to be able to record.
- a fixed lateral sealing device 4 is fixedly arranged on one of the press cheeks, for example on the stationary press cheek 8, and preferably at the same time forms a stop for the supplied glasses in their feed movement direction.
- the other lateral sealing device 5 is displaceably arranged on one of the press cheeks, for example on the movable press cheek 9 and, after the glasses have been fed to the press and arranged on the press cheeks, is moved against the side edge of the glasses facing away from the fixed sealing device 4 until she touches it sealingly.
- a sealed space is thus created, which is formed from the glass 1, the spacer frame 2, the glass 3 of the fixed lateral sealing device 4, the movable lateral sealing device 5 and the gas supply device 6.
- the air 12 therein is by the inflowing gas 10 completely displaced and can escape through the only remaining opening, which is defined by the gap 11 in the upper region of the glasses.
- the fixed lateral sealing device 4 is so wide that it is sufficiently thick for all combinations of glasses and spacer frames to be processed on the press, so that the greatest possible distance from the thickness of the glass 1 plus the thickness of the spacer frame 2 plus the thickness of the Gap 11 plus thickness of the glass 3 can be covered sealingly.
- the fixed lateral sealing device 4 is arranged, for example, laterally on the fixed press cheek 8, so that it does not hinder an approach movement of the press cheeks towards one another when the insulating glass unit is pressed.
- it can also be arranged on the movable press cheek 9.
- the width requirement then also follows the considerations mentioned above.
- the movable lateral sealing device 5 is at least so wide that, in the example of the one-piece arrangement on the movable press cheek 9, it seals the greatest possible distance from the thickness of the glass 3 plus the thickness of the gap 11 plus a sufficient part of the thickness of the spacer frame 2 covers and does not hinder an approach movement of the press cheeks when pressing the glasses with the spacer frame 2.
- the sealing device 5 can, for example, also be arranged in one piece on the fixed press cheek 8. Then the gap 11 is preferably kept smaller than the thickness of the glass 3 minus the sealing overlap of the lateral sealing device 5, so that the closing movement of the press cheeks is not hindered.
- the width as stated above.
- the gas supply device 6 extends over at least part of the press cheeks 8 and 9, preferably over the full length of the press cheeks, so that even the largest glasses can be filled with gas 10 over their entire length of the lower glass edge, and around the gas outlet opening 14 as large as to be able to keep it possible. As short a filling time as possible can be achieved through the largest possible gas outlet opening 14.
- the gas supply device 6 or the gas outlet opening 14 can optionally be kept shorter or smaller than the length of the lower glass edge, which, however, may increase the filling time or reduce the homogeneity of the gas flow in the space between the insulating glass unit.
- the gas supply device 6 also has a displaceable cover panel 7, for example a blind or a bellows, so that the length of the gas outlet opening 14 can be adapted to the lower edge length of the glasses while the gas supply device 6 is of a constant size. This ensures that the gas outlet opening 14 always extends only over the area of the lower glass edge despite changing glass sizes.
- the displaceable cover panel 7 can be coupled, for example, to the displaceable lateral sealing device 5, so that both can preferably move simultaneously and with one another to the respective position of the lateral glass edge to be sealed.
- the cover 15 of the gas supply device 6 prevents on the one hand that dirt or glass splinters which may have arisen as a result of glass breakage which can never be completely excluded can penetrate into the gas supply device 6 and on the other hand ensures through its structure that the inflowing gas over the cross section of the gas outlet opening 14 has the most uniform possible speed profile with a constant Has flow velocity and an approximately parallel flow, so that no turbulence can arise and a largely loss-free filling of the intermediate space of the insulating glass unit with gas is further improved.
- the invention thus provides a method and a device for filling an intermediate space between two glasses 1 and 3 of a disk-shaped insulating glass unit with a spacer frame 2 having primary seals arranged between the glasses, with filling gas in a press for sealingly joining the two glasses 1 and 3, in which the glasses are arranged parallel to one another on press cheeks 8 and 9, one of the glasses having the spacer frame 2, and in which the glasses are joined by a closing movement of the press cheeks 8 and 9 with the spacer frame 2 being interposed are, the filling gas 10 being introduced along the lower edge of the glasses through a gap 11 between the spacer frame 2 and the opposite glass 3, and the gap 11 between the spacer frame 2 and the opposite before the press cheeks are completely moved together - along the glass 3 g of the two upright sides of the glasses is sealed against leakage of filling gas 10 by press-side sealants 4 and 5.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Glass To Other Materials (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Formation Of Insulating Films (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4419052A DE4419052A1 (de) | 1994-05-31 | 1994-05-31 | Verfahren und Vorrichtung zum Befüllen eines Zwischenraumes einer Isolierglaseinheit |
| DE4419052 | 1994-05-31 | ||
| PCT/EP1995/002081 WO1995033118A1 (de) | 1994-05-31 | 1995-05-31 | Verfahren und vorrichtung zum befüllen eines zwischenraumes einer isolierglaseinheit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0760892A1 true EP0760892A1 (de) | 1997-03-12 |
| EP0760892B1 EP0760892B1 (de) | 1998-07-29 |
Family
ID=6519462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95921803A Expired - Lifetime EP0760892B1 (de) | 1994-05-31 | 1995-05-31 | Verfahren und vorrichtung zum befüllen eines zwischenraumes einer isolierglaseinheit |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0760892B1 (de) |
| AT (1) | ATE169084T1 (de) |
| DE (2) | DE4419052A1 (de) |
| WO (1) | WO1995033118A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8631850B2 (en) | 2011-02-08 | 2014-01-21 | Lake City Windows | Window assembly |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT402837B (de) * | 1995-03-21 | 1997-09-25 | Lisec Peter | Verfahren und vorrichtung zum dosieren von gas |
| AT407552B (de) * | 1999-06-22 | 2001-04-25 | Lisec Peter | Vorrichtung zum zusammenbauen von isolierglasscheiben, deren innenraum mit einem schwergas gefüllt ist |
| DE50300158D1 (de) * | 2003-02-22 | 2004-12-23 | Tecnopat Ag St Gallen | Vorrichtung zum Zusammenbauen von Isolierglasscheiben, deren Innenraum mit einem Schwergas gefüllt ist |
| DE102004009860B4 (de) | 2004-02-25 | 2006-05-04 | Karl Lenhardt | Verfahren und Vorrichtung zum Zusammenbauen von Isolierglasscheiben, die mit einem von Luft verschiedenen Gas gefüllt sind |
| US8235076B2 (en) * | 2009-02-02 | 2012-08-07 | American Air Liquide, Inc. | Method and system for optimized filling of an enclosure |
| AT510187B1 (de) * | 2010-07-27 | 2012-05-15 | Ifn-Holding Ag | Verfahren zur herstellung eines mehrscheiben-isolierglaselementes |
| FR3067741A1 (fr) * | 2017-06-19 | 2018-12-21 | Saint-Gobain Glass France | Procede et installation de fabrication de vitrage isolant |
| DE102019107994A1 (de) * | 2018-09-25 | 2020-03-26 | SCHÜCO International KG | Rahmen für eine Fassade, Fassadenelement, Fenster oder Tür |
| CN116903268B (zh) * | 2023-07-24 | 2024-01-02 | 宿迁市天润玻璃有限公司 | 一种中空玻璃生产线、生产工艺 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3101342C2 (de) * | 1981-01-17 | 1984-08-02 | Vereinigte Glaswerke Gmbh, 5100 Aachen | "Verfahren zur Herstellung von gasgefüllten Isolierglaseinheiten und Vorrichtung zur Durchführung des Verfahrens" |
| DE4022185A1 (de) * | 1990-07-13 | 1992-01-16 | Lenhardt Maschinenbau | Verfahren und vorrichtung zum zusammenbauen von isolierglasscheiben, die mit einem von luft verschiedenen gas gefuellt sind |
-
1994
- 1994-05-31 DE DE4419052A patent/DE4419052A1/de not_active Withdrawn
-
1995
- 1995-05-31 DE DE59503001T patent/DE59503001D1/de not_active Expired - Lifetime
- 1995-05-31 AT AT95921803T patent/ATE169084T1/de active IP Right Revival
- 1995-05-31 WO PCT/EP1995/002081 patent/WO1995033118A1/de not_active Ceased
- 1995-05-31 EP EP95921803A patent/EP0760892B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9533118A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8631850B2 (en) | 2011-02-08 | 2014-01-21 | Lake City Windows | Window assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4419052A1 (de) | 1995-12-07 |
| DE59503001D1 (de) | 1998-09-03 |
| WO1995033118A1 (de) | 1995-12-07 |
| EP0760892B1 (de) | 1998-07-29 |
| ATE169084T1 (de) | 1998-08-15 |
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