WO2024101978A1 - Vidrio laminado reforzado con bisel reforzado y proceso para fabricarlo - Google Patents
Vidrio laminado reforzado con bisel reforzado y proceso para fabricarlo Download PDFInfo
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- WO2024101978A1 WO2024101978A1 PCT/MX2022/050114 MX2022050114W WO2024101978A1 WO 2024101978 A1 WO2024101978 A1 WO 2024101978A1 MX 2022050114 W MX2022050114 W MX 2022050114W WO 2024101978 A1 WO2024101978 A1 WO 2024101978A1
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- Prior art keywords
- reinforced
- glass
- laminated glass
- sheet
- reinforced laminated
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- Ceased
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Classifications
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B32B17/10009—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 characterized by the number, the constitution or treatment of glass sheets
- B32B17/10018—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 characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- 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
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10293—Edge features, e.g. inserts or holes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B32B17/1055—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 characterized by the resin layer, i.e. interlayer
- B32B17/10761—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 characterized by the resin layer, i.e. interlayer containing vinyl acetal
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- 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
- B32B17/1055—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 characterized by the resin layer, i.e. interlayer
- B32B17/1077—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 characterized by the resin layer, i.e. interlayer containing polyurethane
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- 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
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- 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
- B32B17/10899—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin
- B32B17/10935—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin as a preformed layer, e.g. formed by extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
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- 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
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- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- 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
- B60J1/008—Windows; Windscreens; Accessories therefor of special shape, e.g. beveled edges, holes for attachment, bent windows, peculiar curvatures such as when being integrally formed with roof, door, etc.
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/02—Plate construction
- F41H5/04—Plate construction composed of more than one layer
- F41H5/0407—Transparent bullet-proof laminatesinformative reference: layered products essentially comprising glass in general B32B17/06, e.g. B32B17/10009; manufacture or composition of glass, e.g. joining glass to glass C03; permanent multiple-glazing windows, e.g. with spacing therebetween, E06B3/66
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/26—Peepholes; Windows; Loopholes
- F41H5/263—Mounting of transparent armoured panels, e.g. bulletproof windows on vehicles
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
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- B32B2307/732—Dimensional properties
- B32B2307/737—Dimensions, e.g. volume or area
- B32B2307/7375—Linear, e.g. length, distance or width
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Definitions
- the invention relates to the field of materials technology, specifically a bevel-reinforced laminated glass and the method of producing the same.
- the bevel-reinforced laminated glass of the present invention is used in industries related to protective and safety glass, specifically in the field of the automotive industry.
- Reinforced laminated glass has been used in the transportation and construction industry for a long time.
- Such glasses usually comprise a combination of two or more inorganic or organic glasses joined together by one or more intermediate films, providing safety against impacts because the intermediate film absorbs and cushions the energy of said impact.
- one of the main applications of reinforced glass is in the automotive sector, particularly when it is required to provide greater security to vehicle users, mainly against impacts from unforeseen objects and even bullet impacts.
- this premise it is important to take into account that these objects can come from different directions and impact different areas of the reinforced laminated glass, so it is desirable that the glass be protected in its entirety, which is not easy to do. in practice, specifically at the edges, as will be described later.
- reinforced glass for automotive vehicles did not include any type of reinforcement or shielding on its edges.
- technologies have been developed that aim to manufacture reinforced laminated glass that provides greater safety to vehicle users and which includes protection on its entire surface.
- German patent application DE4142416A1 relates to a vehicle window, which is made of reinforced laminated glass and is supported by a vehicle window frame, wherein the window comprises a steel plate reinforcing element arranged on the surface end side of the window, which prevents the penetration of a bullet through the window frame into the interior of the vehicle.
- the window comprises a steel plate reinforcing element arranged on the surface end side of the window, which prevents the penetration of a bullet through the window frame into the interior of the vehicle.
- the composition or modifications of the reinforced laminated glass to achieve protection in the area corresponding to the window frame.
- the European patent EP 0915315 B1 protects a bulletproof glass window, which is preferably used in a motor vehicle.
- This invention contemplates the use of several glass films, which are joined together by an intermediate polyvinyl butyral (PVB) film, where the glass layer facing the outside of the vehicle is larger than the other glass films.
- PVB polyvinyl butyral
- glass forming a projection or stepped portion, on which a metal insert is arranged, which is preferably a steel insert that is permanently attached to the surface of the glass by polyurethane, so that the metal insert provides greater protection of vehicle users against bullet impacts that occur in the marginal area of the bulletproof glass window.
- US Patent US 9,945,641 B2 relates to a bulletproof glass panel with reinforced edge, preferably for use in an automotive vehicle, wherein the bulletproof glass panel is formed from a plurality of layers of glass, ceramic or plastic material, as a composite of layers bonded together, and has an edge reinforcement that extends on the periphery of the bulletproof glass panel and has at least two reinforcement members that are in movable or loose mutual engagement to form the edge reinforcement, where said reinforcement members can be made of stainless steel or aluminum oxynitride (AION).
- AION aluminum oxynitride
- European patent EP1800086B1 refers to a reinforced glass composition that comprises three sets of glass layers and a perimeter reinforcement, preferably made of steel, where the first set comprises glass layers joined together with polymeric layers of adhesive; the second set comprises energy absorbing and adhesive layers, and the third set comprises layers of materials adhered together and a sealing layer. Said third set is attached to the first and second sets and to the perimeter reinforcement; The arrangement of the polymeric materials of the third set allows that, in the event of a bullet impact near the edge of the perimeter reinforcement, said third set is deformed in a controlled manner, retaining splinters or traces of glass and containing the residual energy of the projectile.
- a reinforced glass for a motor vehicle window whose surface, including the edges that remain within the window frame, is fully protected, involves the implementation of an additional material to those that make up reinforced laminated glass, which covers the periphery of the vehicle window and which is mainly made of steel.
- the implementation of multiple layers of glass to reinforce a vehicle window generally involves manufacturing new glass in its entirety, removing or discarding the original.
- the use of steel inserts to reinforce the edges of the vehicle window involves an increase in the weight of the vehicle and, consequently, greater fuel consumption.
- a metal insert or additional material to protect the edges of a vehicle window involves making structural modifications to the window frame for installation, which increases both manufacturing costs and delivery times.
- the objective of the present invention is to provide a reinforced laminated glass with a reinforced bevel to be used as safety glass for vehicle windows that offers high impact resistance over its entire surface, including the edges that fit into the window frame of a motor vehicle, without modifying its structure and whose manufacturing cost is lower compared to the reinforced laminated glass with reinforced edge that are known in the state of the art and that They include additional protection around the glass contour using additional materials.
- a reinforced laminated glass for a vehicle window comprises: a base glass that has an interior surface and an exterior surface; and a multilayer reinforcing sheet having an inner surface and an outer surface and comprising at least one adhesive film and at least one plastic sheet, said multilayer reinforcing sheet being arranged on the inner surface of the base glass, wherein the at least one adhesive film joins the base glass to the multilayer reinforcing sheet and the layers of the reinforcing sheet to each other; at least a portion of the contour of the reinforced laminated glass comprises: a reinforced bevel made in at least a part of the thickness of the multilayer reinforcing sheet, so that the reinforced laminated glass fits on each of the sides of the frame of the vehicle window when the reinforced laminated glass closes said window.
- the present invention also relates to a method of manufacturing a bevel-reinforced laminated glass as described above.
- the method for manufacturing a bevel-reinforced laminated glass for a vehicle window comprises the following steps: providing a base glass having an inner surface and an outer surface; providing a multilayer reinforcing sheet having an inner surface and an outer surface and comprising at least one adhesive film and at least one plastic sheet; laminating the base glass with the multilayer reinforcing sheet placed on the inner surface of said base glass to obtain a reinforced laminated glass, wherein during lamination, the at least one adhesive film joins the base glass with the multilayer sheet of reinforcement and to the layers of the multilayer reinforcement sheet to each other; wherein on at least a part of the thickness of the multilayer reinforcement sheet a reinforced bevel is made, so that the reinforced laminated glass fits on each of the sides of the frame of the vehicle window when the reinforced laminated glass closes said window .
- the reinforced bevel can be performed before, during or after the lamination step of the base glass with the multilayer reinforcing sheet.
- Figure 1 illustrates a cross-sectional side view of a reinforced laminated vehicle window glass known in the state of the art.
- Figure 2 illustrates a cross-sectional side view of a reinforced laminated vehicle window glass in accordance with an embodiment of the present invention without a reinforced bevel.
- Figure 3 illustrates a cross-sectional side view of a bezel-reinforced laminated glass for a vehicle window in accordance with another embodiment of the present invention.
- Figure 4 illustrates a cross-sectional side view of a preferred embodiment of a reinforced laminated glass with reinforced bevel for a vehicle window in accordance with the present invention.
- Figure 5 illustrates a cross-sectional view of an embodiment of bevel-reinforced laminated vehicle window glass in accordance with the present invention mounted in a vehicle window frame.
- the term "interior” refers to the side on which the glass, once installed in the window of a vehicle, will face; that is, towards the interior of the cabin of a vehicle; while the term “exterior” refers to the side on which the glass, once installed in the vehicle, will be oriented; that is, towards the open.
- these guidelines are mere references to help understand the present invention and are not intended to be limiting thereof.
- Figure 1 shows a cross-sectional side view of a reinforced laminated glass (A) for a vehicle window with an edge reinforcement known in the state of the art.
- the reinforced laminated glass (A) presents a plurality of glass panels (10.7, 12.7, 15.7) joined by polyvinyl butyral and/or polyurethane films (11.7, 13.7), the glass panel (10.7) has an unreinforced projection ( 42) that protrudes beyond the ends of the panels (12.7) and (15.7); said unreinforced projection (42) fits into a door window frame (14) of a motor vehicle.
- the reinforced laminated glass (A) has an edge reinforcement (7.1) that is intended to protect the contour of the reinforced laminated glass (A) and prevent damage that could occur to the glass due to fluctuations in temperature.
- the reinforced laminated glass for vehicle windows does not include a reinforcement area in the projection (42) that fits with the frame (14) of the window. vehicle door, which does not provide total protection to the reinforced glass (A).
- additional protection is provided to said projection (42), such as edge reinforcement (7.1), it is common to have to modify the structure of the frame (14) of the vehicle window, which increases both the times delivery and manufacturing costs.
- Figure 2 shows a cross-sectional side view of a reinforced laminated glass (1) for a vehicle window (not shown) without a reinforced bezel in accordance with the present invention, comprising: a base glass (2) having an interior surface (2.1) and an exterior surface; and a multilayer reinforcing sheet (3) having an inner surface (3.1) and an outer surface and comprising at least one adhesive film and at least one plastic sheet, said multilayer reinforcing sheet (3) being arranged on the inner surface (2.1) of the base glass (2).
- the base glass (2) can be selected from any type of glass or tempered glass, specifically those that are used as door window glasses of automotive vehicles. In particular, it is the original window glass of a vehicle.
- the adhesive films (not shown) of the multilayer reinforcement sheet (3) can be preferably and not limited to polyurethane (PU) films, for example, plastic polyurethane films "KRYSTALFLEX® PE399" that are used in processes laminate with glass and plastic components.
- PU polyurethane
- the adhesive films of the multilayer reinforcing sheet (3) can be, for example, preferably and not limited to polyvinyl butyral (PBV) films, particularly PVB films of the brand “Trosifol® Clear B500 JR”.
- PBV polyvinyl butyral
- the plastic sheets (not shown) of the multilayer reinforcement sheet (3) may preferably and not be limited to polycarbonate films, for example, polycarbonate films of the brand "LEXANTM 9034".
- the plastic sheets of the multilayer reinforcing sheet (3) can be, for example, preferably and not limited to, crystallized polyethylene terephthalate (C-PET) films of the brand “Trosifol® Spallshield® cPET Clear”.
- C-PET refers to a structure composed of two films, one of polyethylene terephthalate (PET) and another film with greater hardness, which is durable and chemically resistant.
- the multilayer reinforcing sheet (3) has a thickness of between 2.5 mm and 20 mm. To form the multilayer reinforcing sheet (3), as many adhesive films and plastic sheets as necessary can be arranged successively and in combination depending on the desired impact resistance of the reinforced laminated glass (1).
- Figure 3 shows a side view in cross section of a type of reinforced laminated glass (1) for a vehicle window, where at least part of its contour comprises a reinforced bevel (4) made in the multilayer sheet (3).
- reinforcement which can be done by roughing out at least part of the thickness of the multilayer reinforcement sheet (3) so that the reinforced laminated glass (1) fits on each of the sides of the frame (5) of the vehicle window when the Reinforced laminated glass (1) closes said window (see Figure 5).
- the roughing that forms the reinforced bevel (4) does not cover the entire thickness of the multilayer reinforcement sheet (3), that is, the roughing is carried out from the inner surface (3.1). of the multilayer reinforcing sheet (3) up to a certain point of the thickness of the multilayer reinforcing sheet (3), but without reaching the inner surface (2.1) of the base glass (2).
- the point to which the multilayer reinforcing sheet (3) is roughened is selected so that the reinforced laminated glass (1) fits on each of the sides of the frame (5) of the vehicle window when the reinforced laminated glass ( 1) close said window.
- Figure 4 illustrates an exemplary embodiment, where the reinforced bevel (4) of the reinforced laminated glass (1) for vehicle window is made in the multilayer reinforcement sheet (3) by roughing it at a defined angle a1 along the edge of the inner surface (2.1) of the base glass (2) and the inner surface (3.1) of the multilayer reinforcing sheet (3).
- the grinding is carried out in a straight line until reaching the edge of the inner surface (2.1) of the base glass (2).
- Figure 5 illustrates the reinforced laminated glass (1) with reinforced bevel (4) of Figure 3 mounted in a frame (5) of a vehicle window, where the structure of the frame (5) of the window does not suffer any modification to allow the assembly of reinforced laminated glass (1).
- the base glass (2) in accordance with the present invention is preferably the original glass of the automotive vehicle, that is, not It is necessary to manufacture a new reinforced laminated glass (1) in its entirety or modify the structure of the frame (5) of the vehicle window, but rather the multi-layer reinforcement sheet (3) is laminated on the original glass of any type of vehicle.
- automotive thereby significantly reducing both delivery times and manufacturing costs, thus providing a reinforced laminated glass (1) for vehicle windows that is resistant to shocks and even bullet impacts in its entire area, including the edges that fit into the frame (5) of the vehicle window and do not significantly increase the total weight of the glass.
- the present invention also relates to a method for producing reinforced laminated glass (1) with reinforced bevel (4) as described above.
- This method comprises in its most general description the following steps, without necessarily being limited to the order in which they are stated: a) providing a base glass (2) that has an interior surface (2.1) and an exterior surface; b) providing a multilayer reinforcing sheet (3) having an inner surface (3.1) and an outer surface and comprising at least one adhesive film and at least one plastic sheet; c) laminate the base glass (2) with the multilayer reinforcing sheet (3) placed on the inner surface (2.1) of said base glass (2) to obtain a reinforced laminated glass (1), where during lamination , the at least one adhesive film joins the base glass (2) with the multi-layer reinforcement sheet (3) and the layers of the multi-layer reinforcement sheet (3) with each other; d) where over at least part of the thickness of the multilayer reinforcement sheet (3), a reinforced bevel (4) is made, so that the reinforced laminated glass (1) fits on each of the sides of the frame ( 5) of the vehicle window when the
- the base glass (2) is removed from the window of a vehicle and placed on a support to remove any decal, security or tinting film from the glass;
- the base glass (2) is cleaned with a towel that does not release residue and a second cleaning is carried out with ethyl alcohol to guarantee the transparency of the glass.
- step b a combination of adhesive films and plastic films placed together successively is arranged. Said combination of films is selected based on the desired resistance of the reinforced laminated glass (1). Adhesive films are provided to bond the base glass (2) with the multilayer reinforcing sheet (3) and with the layers of the multilayer reinforcing sheet (3) with each other.
- the lamination step c) can be carried out according to procedures known in the state of the art and can comprise the following steps:
- This stage can be carried out by pressurizing an autoclave until reaching a pressure of between 4 and 6 kg/cm 2 (392.266 and 588.399 KPa), turning on its electrical resistances until reaching a temperature between 85°C and 100°C (358.15 K and 373.15 K ) with a residence time of 25 to 120 minutes after having reached said pressure and temperature values;
- This operation can be carried out by pressurizing the autoclave until reaching a pressure of between 7 and 14 kg/cm 2 (686.466 and 1,372.93 KPa), turning on the autoclave heaters when a pressure of between 2 and 3 kg/cm is reached. 2 (196.133 and 294.2 KPa).
- the autoclave heating elements turn off when a temperature of between 110°C and 120°C (383.15 K and 393.15 K) is reached, maintaining the pressure; The pressure is released once the temperature decreases to between 81 °C and 74 °C (354.15 K and 347.15 K) and the autoclave is opened and the reinforced laminated glass (1) is removed when the temperature decreases to 73 °C ( 346.15K).
- step d) is carried out by roughing at least part of the thickness of the multilayer reinforcement sheet (3). This operation can be carried out before step c), that is, before laminating the base glass (2) with the multilayer reinforcing sheet (3) and at least one adhesive film; wherein said roughing is carried out only on the multilayer reinforcement sheet (3) provided in step (b).
- the roughing of at least a part of the thickness of the multilayer reinforcement sheet (3) is carried out during the lamination step c), specifically after pre-lamination, where said roughing is carried out on the multilayer sheet ( 3) reinforcement placed on the inner surface (2.1) of the base glass (2).
- the roughing of at least part of the thickness of the multilayer reinforcement sheet (3) is carried out after the lamination step c).
- roughing can be carried out by any machining process, in an exemplary and non-limiting manner: roughing by grinding, by means of an automatic edger or by cutting a Computerized Numerical Control (CNC) machine.
- CNC Computerized Numerical Control
- Reinforced laminated glass (1) with reinforced bevel (4) of the present invention were subjected to a “Concentrated Multiple Impact Resistance” test in accordance with NOM-146-SCFI-2015, which establishes the minimum safety and security specifications. /or containment, which, as a finished product, a glass must comply with to reduce the risk of injury to people who come into contact with it, caused by the glass breaking due to human impact, objects projected towards it or some other external source.
- the test consisted of impacting each reinforced laminated glass (1) three times with a mass of steel of 4.1 kg from a height of 9 meters. The results showed that the mass did not pass through the reinforced laminated glass (1) in any of the three impacts in any case.
- a reinforced laminated glass (1) for a vehicle window was manufactured in accordance with the present invention, where the base glass (2) is a automotive vehicle door window glass, which once removed from the frame (5) of the door window, is cleaned with a towel that does not release residue on it, and a second cleaning is carried out with ethyl alcohol to guarantee its transparency.
- the first polyurethane film, the polycarbonate sheet, the second polyurethane sheet and the C-PET sheet are placed on the base glass (2) in successive order, thus forming a multilayer sheet (3). reinforcement.
- the multilayer reinforcing sheet (3) is placed on the base glass (2) so that the inner surface (2.1) of the base glass (2) makes contact with the first polyurethane film, they are introduced into a vacuum bag and a vacuum operation is performed. Afterwards, the base glass (2) with the multilayer reinforcing sheet (3) and the adhesive films are placed in an autoclave to carry out pre-lamination.
- the autoclave is pressurized until reaching a pressure of 6 kg/cm 2 (588,399 KPa); When this pressure is reached, the electric heaters of the autoclave are turned on until a temperature of 94°C (367.15 K) is reached; Once these temperature and pressure values have been reached, the base glass (2) and its other components are kept in the autoclave for 30 min; The autoclave is then cooled and the prelaminated glass is removed from the vacuum bag.
- the prelaminated glass is introduced back into the autoclave and pressurized until a pressure of 7.5 kg/cm 2 (735,499 KPa) is reached, while the electrical resistances are turned on when the pressure reaches a value of 2 kg/cm 2 (196,133 KPa). ;
- the electrical resistances turn off when a temperature of 120°C (293.15 K) is reached and the pressure is maintained.
- the autoclave pressure is released when the temperature decreases to 78°C (351.15 K) and the autoclave opens when the temperature decreases to 73°C (346.15 K).
- the thickness of the multilayer reinforcement sheet (3) is roughened to form a reinforced bevel (4) in at least a part of the thickness of the multilayer reinforcement sheet (3).
- the reinforced laminated glass (1) with reinforced bezel (4) is mounted on the frame (5) of the side door window of the vehicle, as shown in Figure 5, so that each of the sides of the Reinforced laminated glass (1) fits into said frame (5) without being forced.
- the resulting product is a reinforced laminated glass (1) with a reinforced bevel (4) that was subjected to a “Concentrated Multiple Impact Resistance” test in accordance with NOM-146-SCFI-2015, obtaining a favorable result.
- the reinforced laminated glass (1) with reinforced bevel (4) and the process for manufacturing reinforced laminated glass (1) described in this section correspond to a specific modality where the minimum values of thickness, number of sheets and films were used. However, the technical advantages of the present invention are achieved even if the number of sheets and/or films is increased depending on the desired impact resistance.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/MX2022/050114 WO2024101978A1 (es) | 2022-11-09 | 2022-11-09 | Vidrio laminado reforzado con bisel reforzado y proceso para fabricarlo |
| EP22964637.7A EP4617054A4 (en) | 2022-11-09 | 2022-11-09 | Reinforced laminated glass with reinforced bevel and manufacturing process |
| ARP230102686A AR130707A1 (es) | 2022-11-09 | 2023-10-06 | Vidrio laminado reforzado con bisel reforzado y proceso para fabricarlo |
| MX2025005352A MX2025005352A (es) | 2022-11-09 | 2025-05-07 | Vidrio laminado reforzado con bisel reforzado y proceso para fabricarlo |
| CONC2025/0007481A CO2025007481A2 (es) | 2022-11-09 | 2025-06-05 | Vidrio laminado reforzado con bisel reforzado y proceso para fabricarlo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/MX2022/050114 WO2024101978A1 (es) | 2022-11-09 | 2022-11-09 | Vidrio laminado reforzado con bisel reforzado y proceso para fabricarlo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024101978A1 true WO2024101978A1 (es) | 2024-05-16 |
Family
ID=91033333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/MX2022/050114 Ceased WO2024101978A1 (es) | 2022-11-09 | 2022-11-09 | Vidrio laminado reforzado con bisel reforzado y proceso para fabricarlo |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4617054A4 (es) |
| AR (1) | AR130707A1 (es) |
| CO (1) | CO2025007481A2 (es) |
| MX (1) | MX2025005352A (es) |
| WO (1) | WO2024101978A1 (es) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4142416A1 (de) | 1991-12-20 | 1993-06-24 | Bayerische Motoren Werke Ag | Kraftfahrzeug mit wenigstens einer aus panzerglas bestehenden fensterscheibe |
| US6129974A (en) * | 1997-10-13 | 2000-10-10 | Isoclima Gmbh | Bulletproof glass window with metal insert |
| WO2006035312A2 (en) * | 2004-09-28 | 2006-04-06 | Gti Sucursal Colombia | Armored glass composition with perimeter reinforcement |
| WO2018024090A1 (en) * | 2016-08-05 | 2018-02-08 | Saint-Gobain Glass France | Coating for glass and forming method thereof, and automotive window |
| JP2018034292A (ja) * | 2016-09-02 | 2018-03-08 | 住友ベークライト株式会社 | 窓用構造体、窓用構造体の製造方法および窓用ユニット |
| US9945641B2 (en) | 2010-09-22 | 2018-04-17 | Siegfried Stranner | Bullet-proof glass pane with edge reinforcement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997007377A2 (en) * | 1995-08-14 | 1997-02-27 | Medlin Richard C | Improved lightweight armored vehicle and method of making same |
-
2022
- 2022-11-09 EP EP22964637.7A patent/EP4617054A4/en active Pending
- 2022-11-09 WO PCT/MX2022/050114 patent/WO2024101978A1/es not_active Ceased
-
2023
- 2023-10-06 AR ARP230102686A patent/AR130707A1/es unknown
-
2025
- 2025-05-07 MX MX2025005352A patent/MX2025005352A/es unknown
- 2025-06-05 CO CONC2025/0007481A patent/CO2025007481A2/es unknown
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4142416A1 (de) | 1991-12-20 | 1993-06-24 | Bayerische Motoren Werke Ag | Kraftfahrzeug mit wenigstens einer aus panzerglas bestehenden fensterscheibe |
| US6129974A (en) * | 1997-10-13 | 2000-10-10 | Isoclima Gmbh | Bulletproof glass window with metal insert |
| EP0915315B1 (de) | 1997-10-13 | 2002-01-16 | Isoclima GmbH | Panzerglasscheibe mit Metalleinlage |
| WO2006035312A2 (en) * | 2004-09-28 | 2006-04-06 | Gti Sucursal Colombia | Armored glass composition with perimeter reinforcement |
| EP1800086B1 (en) | 2004-09-28 | 2014-07-16 | AGP América S.A. | Armored glass composition with perimeter reinforcement |
| US9945641B2 (en) | 2010-09-22 | 2018-04-17 | Siegfried Stranner | Bullet-proof glass pane with edge reinforcement |
| WO2018024090A1 (en) * | 2016-08-05 | 2018-02-08 | Saint-Gobain Glass France | Coating for glass and forming method thereof, and automotive window |
| JP2018034292A (ja) * | 2016-09-02 | 2018-03-08 | 住友ベークライト株式会社 | 窓用構造体、窓用構造体の製造方法および窓用ユニット |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4617054A1 |
Also Published As
| Publication number | Publication date |
|---|---|
| AR130707A1 (es) | 2025-01-08 |
| MX2025005352A (es) | 2025-06-02 |
| EP4617054A1 (en) | 2025-09-17 |
| CO2025007481A2 (es) | 2025-06-16 |
| EP4617054A4 (en) | 2025-12-10 |
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