ES2333928A1 - Degassing bag for laminate glazing - Google Patents
Degassing bag for laminate glazing Download PDFInfo
- Publication number
- ES2333928A1 ES2333928A1 ES200702571A ES200702571A ES2333928A1 ES 2333928 A1 ES2333928 A1 ES 2333928A1 ES 200702571 A ES200702571 A ES 200702571A ES 200702571 A ES200702571 A ES 200702571A ES 2333928 A1 ES2333928 A1 ES 2333928A1
- Authority
- ES
- Spain
- Prior art keywords
- flexible
- bag
- suspended
- gas
- laminate
- 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
- 238000007872 degassing Methods 0.000 title claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000000470 constituent Substances 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 230000008030 elimination Effects 0.000 claims abstract 6
- 238000003379 elimination reaction Methods 0.000 claims abstract 6
- 239000011521 glass Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000000047 product Substances 0.000 description 7
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 4
- 229920002943 EPDM rubber Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000019592 roughness Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Classifications
-
- 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
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
- B32B17/10825—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts
- B32B17/10834—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid
- B32B17/10844—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid using a membrane between the layered product and the fluid
- B32B17/10853—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid using a membrane between the layered product and the fluid the membrane being bag-shaped
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
-
- 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
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/02—Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
Description
Procedimiento de eliminación de gas y dispositivo para su implementación.Gas removal procedure and device for implementation.
La presente invención se refiere a la fabricación de productos compuestos laminados, especialmente de elementos transparentes de vidrio tales como los elementos de vidrio laminados, aplicados como parabrisas para un vehículo de transporte o similar.The present invention relates to the manufacture of rolled composite products, especially of transparent glass elements such as the elements of laminated glass, applied as a windshield for a vehicle transport or similar.
Esta fabricación aplica el ensamblaje de al menos dos hojas de vidrio y de un producto adhesivo intercalable del tipo del polivinilbutiral (PVB).This manufacturing applies the assembly of at minus two sheets of glass and an intercalable adhesive product of the polyvinylbutyral type (PVB).
En US 4 451 321 A (McKelvey Harold E [US]) se reivindica bolsas flexibles de vacío que comprenden paneles laterales flexibles fijados el uno con el otro a lo largo de los extremos y teniendo un extremo abierto para la recepción las láminas, así como medios magnéticos para cerrar dicho extremo abierto a través de filas de imanes y paneles metálicos con o sin material de sellado en el panel metálico para el cerrado hermético de la bolsa.In US 4 451 321 A (McKelvey Harold E [US]) claims flexible vacuum bags comprising panels flexible sides fixed with each other along the ends and having an open end for reception the sheets, as well as magnetic means to close said end open through rows of magnets and metal panels with or without sealing material on the metal panel for sealing of the bag.
Adicionalmente existen diferentes técnicas para pegar las dos hojas de vidrio entre sí.Additionally there are different techniques for Glue the two glass sheets together.
Una de ellas consiste en someter las dos hojas de vidrio y el producto intercalable a unos ciclos de calentamiento a 20-120ºC, especialmente 100ºC aproximadamente y de puesta a unas presiones inferiores a la presión atmosférica. Esta última medida tiene por finalidad la desgasificación del PVB que presenta rugosidades, para evitar todo aprisionamiento de burbujas de aire que perjudicaría la calidad de la transparencia del producto final. En esta técnica, se efectúan estas operaciones en una bolsa flexible de caucho o similar, unida a un tubo por el cual se aspira para producir una depresión. El material constitutivo de la bolsa flexible es apto, bien entendido, para garantizar un cierre hermético de la bolsa.One of them is to submit the two sheets of glass and the intercalable product at heating cycles at 20-120 ° C, especially approximately 100 ° C and setting at pressures below atmospheric pressure. This last measure has the purpose of degassing the PVB that presents roughnesses, to avoid all imprisonment of air bubbles that would impair the quality of transparency of the final product. In this technique, these operations are performed in a flexible rubber bag or similar, attached to a tube by the which is aspired to produce depression. The material constitutive of the flexible bag is apt, well understood, to guarantee a tight seal of the bag.
Ésta comprende dos pliegues, caras o lados, principales destinados a envolver en su parte inferior las dos hojas de vidrio en general abombadas según un eje vertical, por ejemplo, y el producto intercalable.This comprises two folds, faces or sides, main destined to wrap the two glass sheets generally domed along a vertical axis, by example, and the interleavable product.
Esta parte inferior de la bolsa puede ser cerrada, mientras que se prevé necesariamente una abertura en la parte superior de la bolsa para introducir en ella los constituyentes del laminado. Bien entendido, los dos pliegues pueden por tanto ser no solidarios entre sí con vistas a esta introducción.This bottom of the bag can be closed, while an opening is necessarily provided in the upper part of the bag to introduce the constituents of the laminate. Well understood, the two folds can therefore be non-solidarity with each other with a view to this introduction.
En el modo de funcionamiento, los dos pliegues se unen en la parte superior de la bolsa, que es levantada por un montante, por ejemplo metálico cilíndrico; la parte inferior de la bolsa es atirantada por su propio peso y el de los constituyentes del laminado. Así se obtiene la hermeticidad de la bolsa.In the operating mode, the two folds they join at the top of the bag, which is lifted by a upright, for example cylindrical metal; the bottom of the bag is tied by its own weight and that of the constituents of the laminate. This way the tightness of the bag is obtained.
Dada la curvatura de las hojas de vidrio según un eje vertical, por ejemplo, y la geometría rectilínea de los montantes, la distancia entre éstos y el borde superior de las hojas de vidrio debe ser suficiente para repartir la deformación de la bolsa a lo largo de una altura suficiente de la bolsa.Given the curvature of the glass sheets according to a vertical axis, for example, and the rectilinear geometry of uprights, the distance between them and the upper edge of the glass sheets should be enough to spread the deformation of the bag along a sufficient height of the bag.
Además, es necesario reforzar los dos pliegues de la bolsa en su zona de contacto con el montante.In addition, it is necessary to reinforce the two folds of the bag in its contact area with the upright.
Sin embargo, este procedimiento presenta el inconveniente de pequeñas fugas residuales, por ejemplo del orden de 0,6 mbar, que alargan los ciclos operacionales.However, this procedure presents the inconvenience of small residual leaks, for example of the order 0.6 mbar, which lengthen the operational cycles.
Con esta finalidad, la invención tiene por objeto una bolsa flexible suspendida destinada a envolver herméticamente, en su parte inferior los constituyentes de un laminado, especialmente dos hojas rígidas y su producto intercalable adhesivo, para someterlos a unos ciclos de calentamiento a 20-120ºC y puesta a presión inferior a la presión atmosférica, estando unida la bolsa a un tubo de aspiración, caracterizada porque la bolsa está equipada, por encima de su zona de acogida de los constituyentes del laminado, con unos medios de estrangulamiento por pinza.For this purpose, the invention has for object a suspended flexible bag intended to wrap Hermetically, in its lower part the constituents of a laminate, especially two rigid sheets and their intercalable product adhesive, to undergo some heating cycles to 20-120ºC and lower pressure pressure atmospheric, the bag being attached to a suction tube, characterized in that the bag is equipped, above its zone of reception of the constituents of the laminate, with means of clamp throttling.
Así se suprime las fugas residuales de 0,8 mbar a 0 mbar.This suppresses residual leaks of 0.8 mbar at 0 mbar
Además, según una primera variante, los medios de estrangulamiento por pinza permiten realizar la hermeticidad suprimiendo el montante que levanta la parte superior de la bolsa: la parte superior de la bolsa flexible suspendida en funcionamiento no es levantada por un montante.In addition, according to a first variant, the means of strangulation by clamp allow to realize the hermeticity suppressing the amount that lifts the top of the bag: the upper part of the flexible bag suspended in operation It is not raised by an amount.
Así se economiza la materia suplementaria de la bolsa en su zona de contacto con el montante, que ya no existe; se suprime los pliegues de la bolsa en esta zona de contacto. Se mejora la durabilidad de la bolsa, se facilita el mantenimiento de la instalación en su conjunto.Thus the supplementary matter of the bag in its area of contact with the amount, which no longer exists; be Suppress the folds of the bag in this contact area. Be Improves the durability of the bag, the maintenance of the whole installation.
Se disminuye el tamaño y el volumen de las instalaciones.The size and volume of the installations.
En una segunda variante, la parte superior de la bolsa: la parte superior de la bolsa flexible es levantada por un montante. Se conserva la ventaja de la supresión de las fugas residuales.In a second variant, the top of the bag: the top of the flexible bag is lifted by a upright. The advantage of leak suppression is retained residual
En esta variante, el montante especialmente cilíndrico es ventajosamente de un material deformable, tal como sílice, etileno-propileno-dieno monómero (EPDM), de manera que se adapta a los pliegues de la bolsa bajo el peso de los constituyentes del laminado. Esta medida es igualmente de naturaleza tendente a limitar las fugas residuales.In this variant, the amount especially Cylindrical is advantageously of a deformable material, such as silica, ethylene-propylene-diene monomer (EPDM), so that it adapts to the folds of the bag under the weight of the constituents of the laminate. This measure is also of a nature tending to limit leaks residual
Según otras características de la invención:According to other features of the invention:
- --
- los medios de estrangulamiento por pinza comprenden al menos un imán permanente;the clamp throttling means comprise at least one magnet permanent;
- --
- los medios de estrangulamiento por pinza comprenden al menos un imán electromagnético, que se puede activar por cierre de un circuito eléctrico;the clamp throttling means comprise at least one magnet electromagnetic, which can be activated by closing a circuit electric;
- --
- el imán está asociado a otro imán colocado al otro lado de la bolsa;he magnet is associated with another magnet placed on the other side of the bag;
- --
- el imán está asociado a un elemento metálico colocado al otro lado de la bolsa.he magnet is associated with a metallic element placed on the other side of the bag.
La invención tiene por objeto igualmente:The object of the invention is also to:
- --
- un procedimiento de desgasificación del producto intercalable adhesivo entre dos hojas de vidrio, aplicando una bolsa flexible suspendida anteriormente descrita; ya Degassing procedure of the adhesive interleaving product between two sheets of glass, applying a suspended flexible bag previously described; Y
- --
- la aplicación de este procedimiento a la fabricación de parabrisas de vehículo de transporte, con hojas de vidrio abombadas.the Application of this procedure to the manufacture of windshield transport vehicle, with bulging glass sheets.
Se comprenderá mejor la invención a la luz de los dibujos anexos, en los cuales:The invention will be better understood in the light of the attached drawings, in which:
- la figura 1 es una vista en corte de la segunda variante de la invención;- Figure 1 is a sectional view of the second variant of the invention;
- la figura 2 es una vista frontal de la primera variante de la invención;- Figure 2 is a front view of the first variant of the invention;
El dispositivo de la figura 1 incluye una bolsa de caucho constituida por un pliegue interior 1 y un pliegue exterior 2.The device of figure 1 includes a bag of rubber consisting of an inner fold 1 and a fold exterior 2.
La parte inferior de la bolsa está herméticamente cerrada y envuelve dos hojas de vidrio y su producto intercalable adhesivo de PVB que constituyen un parabrisas 10.The bottom of the bag is Hermetically sealed and wraps two glass sheets and their product interlocking PVB adhesive constituting a windshield 10.
El montante 4 levanta la parte superior de la bolsa 1, 2 de manera que garantiza su hermeticidad bajo el peso del parabrisas 10 por apoyo de los dos pliegues, el uno contra el otro.The stud 4 lifts the upper part of the bag 1, 2 so that it guarantees its tightness under the weight of the windshield 10 for support of the two folds, the one against the other.
El dispositivo comprende por otra parte una zona para los medios de estrangulamiento por pinza 5, que consisten en pares de imanes de neodimio-hierro-boro de 40 x 20 x 5 mm.The device further comprises an area for clamp means 5, which consist of pairs of magnets 40 x 20 x 5 neodymium-iron-boron mm
Como se ha mencionado anteriormente, la fijación del pliegue exterior 2 por el medio 3 es amovible, para liberar una abertura en la parte superior de la bolsa, a fin de introducir el parabrisas.As mentioned above, the fixation of the outer fold 2 by means 3 is removable, to release a opening at the top of the bag, in order to introduce the windshield.
La bolsa de la invención puede ser de grandes dimensiones, compatibles con el tamaño creciente de los elementos de vidrio panorámicos empleados cada vez más en la industria de los elementos de vidrio de vehículos de transporte. Estas dimensiones pueden alcanzar 2 m x 2 m a 3 m x 3 m.The bag of the invention can be large dimensions, compatible with the increasing size of the elements of glass panoramic increasingly used in the industry of Glass elements of transport vehicles. These dimensions they can reach 2 m x 2 m to 3 m x 3 m.
El dispositivo de la figura 2 difiere del de la figura 1 por la supresión del montante 4.The device of Figure 2 differs from that of the Figure 1 for the suppression of the post 4.
Claims (10)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0654099A FR2906754B1 (en) | 2006-10-05 | 2006-10-05 | DEGASSING POCKET FOR LAMINATED GLAZING. |
| FR0654099 | 2006-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2333928A1 true ES2333928A1 (en) | 2010-03-02 |
| ES2333928B1 ES2333928B1 (en) | 2010-09-17 |
Family
ID=37944870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200702571A Active ES2333928B1 (en) | 2006-10-05 | 2007-10-02 | GAS ELIMINATION PROCEDURE AND DEVICE FOR IMPLEMENTATION. |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP4964730B2 (en) |
| KR (1) | KR101368944B1 (en) |
| CN (1) | CN101234856A (en) |
| BE (1) | BE1017803A3 (en) |
| ES (1) | ES2333928B1 (en) |
| FR (1) | FR2906754B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3041942B1 (en) * | 2015-10-02 | 2020-01-24 | Simtech S.P.R.L. | FLEXIBLE WALL POCKET, AND METHOD FOR MANUFACTURING SUCH A POCKET |
| JP2018203593A (en) * | 2017-06-08 | 2018-12-27 | 東洋ゴム工業株式会社 | Molding bag for glass laminate |
| JP6789179B2 (en) * | 2017-06-08 | 2020-11-25 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | Opening structure of molded bag for laminated glass |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1808381A (en) * | 1928-10-27 | 1931-06-02 | Du Pont Viscoloid Co | Heating apparatus |
| US4451321A (en) * | 1983-02-16 | 1984-05-29 | Shatterproof Glass Corporation | Flexible vacuum bag |
| US4702376A (en) * | 1986-10-03 | 1987-10-27 | Fairprene Industrial Products Company, Inc. | Composite vacuum bag material having breather surface |
| US4836765A (en) * | 1987-12-03 | 1989-06-06 | United Technologies Corporation | Molding apparatus for composite materials |
| EP0562142A1 (en) * | 1992-03-26 | 1993-09-29 | Peter Arrow Limited | Vacuum bag for making safety glass |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5425295B2 (en) * | 1973-02-21 | 1979-08-27 | ||
| JP2654777B2 (en) * | 1987-06-25 | 1997-09-17 | コニカ株式会社 | Processing method of silver halide color photographic light-sensitive material |
| JP2645367B2 (en) * | 1987-06-25 | 1997-08-25 | 富士写真フイルム株式会社 | Silver halide color photographic light-sensitive material and processing method thereof |
| JPH0745546Y2 (en) * | 1989-08-23 | 1995-10-18 | 東洋ゴム工業株式会社 | Laminated glass manufacturing bag |
| JP4616621B2 (en) | 2004-11-10 | 2011-01-19 | 東洋ゴム工業株式会社 | Heated and pressurized bag for laminated glass production |
-
2006
- 2006-10-05 FR FR0654099A patent/FR2906754B1/en not_active Expired - Fee Related
-
2007
- 2007-09-30 CN CNA200710306271XA patent/CN101234856A/en active Pending
- 2007-10-02 ES ES200702571A patent/ES2333928B1/en active Active
- 2007-10-04 BE BE2007/0478A patent/BE1017803A3/en not_active IP Right Cessation
- 2007-10-04 JP JP2007260595A patent/JP4964730B2/en not_active Expired - Fee Related
- 2007-10-04 KR KR1020070099748A patent/KR101368944B1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1808381A (en) * | 1928-10-27 | 1931-06-02 | Du Pont Viscoloid Co | Heating apparatus |
| US4451321A (en) * | 1983-02-16 | 1984-05-29 | Shatterproof Glass Corporation | Flexible vacuum bag |
| US4702376A (en) * | 1986-10-03 | 1987-10-27 | Fairprene Industrial Products Company, Inc. | Composite vacuum bag material having breather surface |
| US4836765A (en) * | 1987-12-03 | 1989-06-06 | United Technologies Corporation | Molding apparatus for composite materials |
| EP0562142A1 (en) * | 1992-03-26 | 1993-09-29 | Peter Arrow Limited | Vacuum bag for making safety glass |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2333928B1 (en) | 2010-09-17 |
| FR2906754A1 (en) | 2008-04-11 |
| KR20080031802A (en) | 2008-04-11 |
| KR101368944B1 (en) | 2014-02-27 |
| CN101234856A (en) | 2008-08-06 |
| JP2008094714A (en) | 2008-04-24 |
| BE1017803A3 (en) | 2009-07-07 |
| JP4964730B2 (en) | 2012-07-04 |
| FR2906754B1 (en) | 2008-11-28 |
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