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ES2333928A1 - Gas removal procedure and device for its implementation. - Google Patents

Gas removal procedure and device for its implementation.

Info

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
Grant status
Application
Patent type
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
Application number
ES200702571A
Other languages
Spanish (es)
Other versions
ES2333928B1 (en )
Inventor
Jean-Edouard De Salins
David Petit
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
Saint-Gobain PM
Original Assignee
Saint-Gobain Glass France SAS
Saint-Gobain PM
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

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered 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
    • B32B17/10Layered 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
    • B32B17/10807Making layered products containing glass and synthetic resin layers; apparatus therefor
    • B32B17/10816Making layered products containing glass and synthetic resin layers; apparatus therefor by pressing
    • B32B17/10825Making layered products containing glass and synthetic resin layers; apparatus therefor by pressing isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts
    • B32B17/10834Making layered products containing glass and synthetic resin layers; apparatus therefor by pressing isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid
    • B32B17/10844Making layered products containing glass and synthetic resin layers; apparatus therefor by pressing 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
    • B32B17/10853Making layered products containing glass and synthetic resin layers; apparatus therefor by pressing 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00Windows; Windscreens; Accessories therefor
    • B60J1/02Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C27/00Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/06Joining glass to glass by processes other than fusing
    • C03C27/10Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose

Abstract

Procedimiento de eliminación de gas y dispositivo para su implementación. Gas removal process and device for its implementation.
Dispositivo para la eliminación de gas flexible suspendido (1, 2) destinado a envolver herméticamente, en su parte inferior, los constituyentes de un laminado (10), 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 unido el dispositivo (1, 2) a un tubo de aspiración, caracterizada porque el dispositivo para la eliminación de gas (1, 2) está equipado, por encima de su zona de acogida de los constituyentes del laminado, con unos medios de estrangulamiento por pinza (5). Device for eliminating flexible gas suspended (1, 2) for wrapping tightly at its bottom, the constituents of a laminate (10), especially two rigid sheets and adhesive intercalating product to be subjected to heating cycles to 20-120 and made lower than the atmospheric pressure, the device (1, 2) being connected to a suction pipe, characterized in that the device for removing gas (1, 2) is equipped, over its area host of the constituents of the laminate with means for throttling clamp (5).
Procedimiento de desgasificación de un laminado utilizando este dispositivo; Degassing process of a laminate using this device; aplicación de este procedimiento a la fabricación de parabrisas. application of this method to the manufacture of windscreens.

Description

Procedimiento de eliminación de gas y dispositivo para su implementación. Gas removal process and device for its implementation.

Ámbito técnico de la invención TECHNICAL FIELD OF THE INVENTION

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 composite laminates, particularly transparent glass elements such as elements laminated glass, applied as a windscreen for a transportation vehicle or the like.

Esta fabricación aplica el ensamblaje de al menos dos hojas de vidrio y de un producto adhesivo intercalable del tipo del polivinilbutiral (PVB). This applies manufacturing assembly of at least two glass sheets and an intercalating adhesive product of the type of polyvinyl butyral (PVB).

Estado de la técnica State of the art

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 4451321 A (McKelvey Harold E [US]) flexible vacuum bag comprising flexible side panels fixed to each other along the ends and having an open end for receiving the sheets end claimed and magnetic means for closing said open through rows of magnets and metal panels with or without sealing material in the metal panel to the closed end of the bag sealed.

Adicionalmente existen diferentes técnicas para pegar las dos hojas de vidrio entre sí. Additionally there are different techniques for bonding 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. One consists in subjecting the two glass sheets and the intercalating product heating cycles to 20-120, especially about 100 ° C and set at a pressure below atmospheric pressure. 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. The latter measure is intended degassing PVB having roughnesses, to avoid any entrapment of air bubbles which impair the quality of the transparency of the final product. 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. In this technique, these operations are performed in a flexible rubber bag or similar, attached to a tube that is drawn to produce a depression. El material constitutivo de la bolsa flexible es apto, bien entendido, para garantizar un cierre hermético de la bolsa. The material of the flexible bag is suitable, well understood, to ensure a tight closure 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 intended rewrapped in their bottom the two glass sheets generally bulged along a vertical axis, for example, and intercalating 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. This bottom of the pouch can be closed, while necessarily has an opening at the top of the bag to introduce therein the constituents of the laminate. Bien entendido, los dos pliegues pueden por tanto ser no solidarios entre sí con vistas a esta introducción. Well understood, the two plies can therefore be not integral 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; In the operating mode, the two plies are joined at the top of the bag, being lifted by an amount, for example cylindrical metal; la parte inferior de la bolsa es atirantada por su propio peso y el de los constituyentes del laminado. the bottom of the bag is braced by its own weight and the constituents of the laminate. Así se obtiene la hermeticidad de la bolsa. And 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 along a vertical axis, for example, and the rectilinear geometry of the posts, the distance between them and the upper edge of the glass sheets should be sufficient to distribute 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. Also you need strengthening two folds of the bag in its area of ​​contact 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 method has the disadvantage of small residual leakage, for example of the order of 0.6 mbar, lengthening the operational cycles.

Descripción de la invención DESCRIPTION OF THE INVENTION

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. To this end, the invention relates to a flexible bag intended to tightly wrap suspended in its lower part the constituents of a laminate, especially two rigid sheets and adhesive intercalating product to be subjected to heating cycles to 20-120 and making pressure below atmospheric pressure, the bag being connected to a suction pipe, characterized in that the bag is fitted, above its reception area of ​​the constituents of the laminate with means for throttling clamp.

Así se suprime las fugas residuales de 0,8 mbar a 0 mbar. And residual leakage from 0.8 mbar to 0 mbar is suppressed.

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. Furthermore, according to a first variant, the throttling means by clamp enable airtightness suppressing amount lifting the top of the bag: the top of the flexible bag suspended operation is not lifted by a stud.

Así se economiza la materia suplementaria de la bolsa en su zona de contacto con el montante, que ya no existe; Thus the additional material is economized bag in its area of ​​contact with the upright, which no longer exists; se suprime los pliegues de la bolsa en esta zona de contacto. the folds of the bag is suppressed in this area of ​​contact. Se mejora la durabilidad de la bolsa, se facilita el mantenimiento de la instalación en su conjunto. the durability of the bag is improved, facilitating the maintenance of the facility as a whole.

Se disminuye el tamaño y el volumen de las instalaciones. the size and volume of the facility is reduced.

En una segunda variante, la parte superior de la bolsa: la parte superior de la bolsa flexible es levantada por un montante. In a second variant, the top of the bag: the top of the flexible bag is lifted by a stud. Se conserva la ventaja de la supresión de las fugas residuales. the advantage of removing residual leakage remains.

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. In this variant, the cylindrical stud is especially advantageously of a deformable material, such as silica, ethylene propylene diene monomer-rubber (EPDM), so that adapts to the folds of the bag under the weight of the constituents of the laminate. Esta medida es igualmente de naturaleza tendente a limitar las fugas residuales. This measure is also aimed at limiting nature residual leakage.

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 throttling means by clamp comprise at least one permanent magnet;

- -
los medios de estrangulamiento por pinza comprenden al menos un imán electromagnético, que se puede activar por cierre de un circuito eléctrico; the throttling means by clamp comprise at least one electromagnetic magnet which can be activated by closure of an electrical circuit;

- -
el imán está asociado a otro imán colocado al otro lado de la bolsa; the magnet is attached to 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. the magnet is associated with a metallic element placed on the other side of the bag.

La invención tiene por objeto igualmente: The invention is also:

- -
un procedimiento de desgasificación del producto intercalable adhesivo entre dos hojas de vidrio, aplicando una bolsa flexible suspendida anteriormente descrita; degassing procedure intercalating adhesive product between two sheets of glass, applying a flexible bag suspended above described; y Y

- -
la aplicación de este procedimiento a la fabricación de parabrisas de vehículo de transporte, con hojas de vidrio abombadas. the application of this method to the manufacture of transportation vehicle windshield with curved glass sheets.

Se comprenderá mejor la invención a la luz de los dibujos anexos, en los cuales: The invention will be better understood in light of the accompanying 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 1 includes a bag constituted by a rubber inner ply 1 and an outer ply 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 sealed and involves two glass sheets and PVB adhesive intercalating product 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 upright 4 lifts the top of the bag 1, 2 so that guarantees tightness under the weight of the windshield 10 support the two plies, 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 comprises moreover an area for throttling means by clamp 5, which consist of pairs of neodymium-iron-boron 40 x 20 x 5 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 fixing of the outer ply 2 by means 3 is movable to release an opening in the top of the bag, to enter 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. The bag of the invention can be large, consistent with the growing size of the panoramic glass elements used increasingly in industry glass elements of vehicles. Estas dimensiones pueden alcanzar 2 mx 2 ma 3 mx 3 m. These dimensions can reach 2 mx 2 m 3m x 3m.

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 Figure 1 by suppressing the upright 4.

Claims (10)

  1. 1. Dispositivo para la eliminación de gas, flexible, suspendido, caracterizado por una bolsa (1, 2) que está equipada, por encima de su zona de acogida de los constituyentes del laminado, con unos medios de estrangulamiento por pinza (5). 1. A device for removing gas, flexible, suspended, characterized by a bag (1, 2) which is equipped, over its reception area of the constituents of the laminate, with throttling means for each gripper (5).
  2. 2. Dispositivo para la eliminación de gas, flexible, suspendido, según la reivindicación 1, caracterizado porque en funcionamiento, su parte superior permanece inmóvil por un montante. 2. A device for removing gas, flexible, suspended, according to claim 1, characterized in that in operation, the top remains motionless for an amount.
  3. 3. Dispositivo para la eliminación de gas, flexible, suspendido, según la reivindicación 1, caracterizado porque en funcionamiento, su parte superior es levantada por un montante (4). 3. A device for removing gas, flexible, suspended, according to claim 1, characterized in that in operation, the top is lifted by an upright (4).
  4. 4. Dispositivo para la eliminación de gas, flexible, suspendido, según la reivindicación 1, caracterizado porque el montante (4) es de un material deformable, de manera que se adapta a los pliegues de la bolsa (1, 2) bajo el peso de los constituyentes del laminado (10). 4. A device for removing gas, flexible, suspended, according to claim 1, wherein the strut (4) is of a deformable material so that adapts to the folds of the bag (1, 2) under the weight of the constituents of the laminate (10).
  5. 5. Dispositivo para la eliminación de gas, flexible, suspendido, según una de las reivindicaciones precedentes, caracterizado porque los medios de estrangulamiento por pinza (5) comprenden al menos un imán permanente. 5. A device for removing gas, flexible, suspended, according to the preceding claims, characterized in that the throttling means by tongs (5) comprise at least one permanent magnet.
  6. 6. Dispositivo para la eliminación de gas, flexible, suspendido, según una de las reivindicaciones precedentes, caracterizado porque los medios de estrangulamiento por pinza (5) comprenden al menos un imán electromagnético, que se puede activar por cierre de un circuito eléctrico. 6. A device for removing gas, flexible, suspended, according to the preceding claims, characterized in that the throttling means of clamp (5) comprise at least one electromagnetic magnet which can be activated by closing an electrical circuit.
  7. 7. Dispositivo para la eliminación de gas, flexible, suspendido, según la reivindicación 5 ó 6, caracterizado porque dicho imán está asociado a otro imán colocado al otro lado de la bolsa (1, 2). 7. A device for removing gas, flexible, suspended, according to claim 5 or 6, wherein said magnet is attached to another magnet placed across the bag (1, 2).
  8. 8. Dispositivo para la eliminación de gas, flexible, suspendido, según la reivindicación 5 ó 6, caracterizado porque dicho imán está asociado a un elemento metálico colocado al otro lado de la bolsa (1, 2). 8. A device for removing gas, flexible, suspended, according to claim 5 or 6, wherein said magnet is attached to a metal element placed on the other side of the bag (1, 2).
  9. 9. Procedimiento de desgasificación del producto adhesivo intercalable entre dos hojas de vidrio, aplicando un dispositivo para la eliminación de gas flexible suspendido según cualquiera de las reivindicaciones anteriores caracterizado porque el dispositivo envuelve herméticamente, en su parte inferior, los constituyentes de un laminado (10), 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 (1, 2) a un tubo de aspiración. 9. Process degassing intercalating adhesive product between two sheets of glass, using a device for removing flexible suspended gas according to any preceding claim wherein the device surrounds hermetically, in its lower part, the constituents of a laminate (10 ), especially two rigid sheets and adhesive intercalating product to be subjected to heating cycles to 20-120 and made lower than the atmospheric pressure, the bag (1, 2) to a suction pipe being connected.
  10. 10. Procedimiento, según la reivindicación 9, aplicado a la fabricación de parabrisas de vehículo de transporte, con hojas de vidrio abombadas. 10. Method according to claim 9, applied to the manufacture of transportation vehicle windshield with curved glass sheets.
ES200702571A 2006-10-05 2007-10-02 Gas removal procedure and device for its implementation. Active ES2333928B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0654099 2006-10-05
FR0654099A FR2906754B1 (en) 2006-10-05 2006-10-05 Pocket degassing glazing puff.

Publications (2)

Publication Number Publication Date
ES2333928A1 true true ES2333928A1 (en) 2010-03-02
ES2333928B1 ES2333928B1 (en) 2010-09-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
ES200702571A Active ES2333928B1 (en) 2006-10-05 2007-10-02 Gas removal procedure and device for its 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3041942A1 (en) * 2015-10-02 2017-04-07 Simtech S P R L Pouch has flexible walls, and method of manufacturing such a bag

Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425295B2 (en) * 1973-02-21 1979-08-27
JP2645367B2 (en) * 1987-06-25 1997-08-25 富士写真フイルム株式会社 The silver halide color photographic light-sensitive material and a processing method thereof
JP2654777B2 (en) * 1987-06-25 1997-09-17 コニカ株式会社 The method for processing a silver halide color photographic light-sensitive material
JPH0745546Y2 (en) * 1989-08-23 1995-10-18 東洋ゴム工業株式会社 Glass manufacturing bag together
JP4616621B2 (en) 2004-11-10 2011-01-19 東洋ゴム工業株式会社 The combined heat and pressure bag glassmaking

Patent Citations (5)

* Cited by examiner, † Cited by third party
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 Type
BE1017803A3 (en) 2009-07-07 grant
FR2906754A1 (en) 2008-04-11 application
JP2008094714A (en) 2008-04-24 application
JP4964730B2 (en) 2012-07-04 grant
ES2333928B1 (en) 2010-09-17 grant
KR20080031802A (en) 2008-04-11 application
CN101234856A (en) 2008-08-06 application
KR101368944B1 (en) 2014-02-27 grant
FR2906754B1 (en) 2008-11-28 grant

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