EP3843992A1 - Verbundglasscheibe - Google Patents
VerbundglasscheibeInfo
- Publication number
- EP3843992A1 EP3843992A1 EP19745161.0A EP19745161A EP3843992A1 EP 3843992 A1 EP3843992 A1 EP 3843992A1 EP 19745161 A EP19745161 A EP 19745161A EP 3843992 A1 EP3843992 A1 EP 3843992A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glass pane
- laminated glass
- polymer film
- type
- film
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 31
- 239000002131 composite material Substances 0.000 title abstract description 4
- 229920006254 polymer film Polymers 0.000 claims abstract description 79
- 229920000642 polymer Polymers 0.000 claims abstract description 20
- 239000005340 laminated glass Substances 0.000 claims description 74
- 239000004417 polycarbonate Substances 0.000 claims description 5
- 229920000515 polycarbonate Polymers 0.000 claims description 5
- 229920000554 ionomer Polymers 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 14
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10366—Reinforcements of the laminated safety glass or glazing against impact or intrusion
-
- 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
-
- 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
- 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
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/022—Mechanical properties
-
- 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
- B32B17/10009—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
-
- 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
- B32B17/10009—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
- B32B17/10036—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 two outer glass sheets
-
- 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
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10293—Edge features, e.g. inserts or holes
-
- 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
- B32B17/1055—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
-
- 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
- B32B17/1055—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
- B32B17/10743—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 acrylate (co)polymers or salts thereof
-
- 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
- B32B17/1055—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
- B32B17/10752—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 polycarbonate
-
- 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
- B32B17/1055—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
-
- 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
- B32B17/10899—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin
-
- 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
- B32B17/10899—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
-
- 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
- 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
- B32B3/08—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 characterised by added members at particular parts
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/14—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
- B32B5/142—Variation across the area of the layer
-
- 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
- B60J1/001—Double glazing for vehicles
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/546—Flexural strength; Flexion stiffness
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
-
- 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
- B32B2333/00—Polymers of unsaturated acids or derivatives thereof
- B32B2333/04—Polymers of esters
- B32B2333/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
-
- 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
- B32B2369/00—Polycarbonates
-
- 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
- B32B2605/00—Vehicles
- B32B2605/006—Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings
Definitions
- the invention relates to a laminated glass pane which has two glass panes or two polymer panes or a glass pane and a polymer pane and at least one polymer film bonded between them.
- This can also be a laminate of several, e.g. B. three, act slides.
- a laminated glass pane is known from US 2016/0282645 A1, in which the
- Intermediate layer includes different areas with different properties.
- DE 10 2014 017 388 A1 discloses a laminated glass pane designed as a side window of a car, in which a different type of interlayer film is arranged in a fastening section than in the remaining area of the side window.
- DE 10 2013 207 150 A1 discloses a method and an apparatus for
- the invention is therefore based on the object of an improved
- laminated glass pane which, on the one hand, enables the use of thinner panes to form the laminated glass pane and thus a reduced weight thereof, and on the other hand ensures compliance with relevant standards for the mechanical strength of the laminated glass pane and which is also cost-effective to produce.
- the invention includes the idea that, when using thinner glass panes (or relatively thin panes made of another material, such as polycarbonate), the mechanical strength can be reduced by an intervention in the polymer film connecting the glass panes. It also includes the idea of using a polymer film with greater stiffness or a higher modulus of elasticity. Finally, the idea belongs to the invention, with a view to the cost of the product, this polymer film with higher
- Stiffness (which is more expensive than polymer films usually used for this purpose) is not to be provided over the entire area, but only in some areas in at least one area of the laminated glass pane.
- laminated glass panes with two glass panes or with two polymer panes or with a glass pane and a polymer pane are
- the laminated glass pane contains at least one polymer pane. This leads to a significant weight reduction compared to a version with two glass panes.
- the at least one polymer disk is preferably a polycarbonate disk or a Polymethyl methacrylate disc. The at least one is particularly preferred
- Polymer disc a polycarbonate disc.
- the laminated glass pane according to the invention has a first, larger one
- the polymer film comprises at least a first type of polymer film and a second type of polymer film.
- the polymer film can comprise one or more further types of films which are used in further surface areas. For example, these can be foils that have electrically switchable functions or colored areas. In a preferred one
- the laminated glass pane according to the invention has only a first surface area and one or more second surface areas, which together cover the entire surface of the laminated glass pane.
- the polymer film of the first type and the polymer film of the second type can each be constructed in one or more layers.
- the polymer film of the first type is preferably designed as a film laminate and / or the polymer film of the second type is designed as a film laminate.
- the polymer film of the first type is particularly preferably designed as a film laminate with, for example, three layers, and the polymer film of the second type is designed as a single-layer polymer film.
- the thicknesses of the first type of polymer film and the second type of polymer film are essentially the same. This prevents stresses in the laminated glass pane due to variations in thickness at the transition between the first and second surface areas.
- essentially the same means that there is a difference between the thicknesses of less than 30%, preferably less than 20% and particularly preferably less than 10%.
- the laminated glass pane is designed as the front pane of a vehicle.
- the laminated glass pane is preferably designed as a front pane of a vehicle and the second surface area as a central area thereof.
- a “central area” is to be understood here in particular as the upper middle area of the windshield, in which an inside mirror is usually located Rain sensor or similar attachments are attached.
- the central region particularly preferably adjoins the upper edge of the windshield. This is particularly easy to manufacture and improves stability in the area of the edge.
- the second surface area has the shape of a rectangle or a rounded rectangle or a circle or an ellipse. Depending on the specific application, other shapes are also possible.
- the invention can also with rear windows or related
- Panoramic glazing of cars are used where, for example, a
- Rear window wipers, hinges or joints or similar are attached, and
- the laminated glass pane is designed as a front pane of a vehicle and in the second surface area is on the
- Fastener particularly advantageous in this area. Thanks to the high stability in this area, an adhesive connection between the fastening element and the laminated glass pane is possible.
- the fastening element is particularly preferably attached to the inside of the windshield and for attaching a
- An inside mirror is preferably attached over the fastening element.
- above means in relation to a front window of a vehicle the side of the window pointing in the direction of the vehicle roof.
- the upper edge points upwards towards the vehicle roof
- the lower edge points downwards towards the engine compartment.
- the inside of a vehicle window is the side of the laminated glass pane which is intended to face the interior of the vehicle in the installed position.
- the outside of a vehicle pane is the side of the laminated glass pane which is intended to face the external environment of the vehicle in the installed position.
- the laminated glass pane as a front pane Vehicle is executed and several second areas are arranged in corner or edge areas thereof.
- the boundary areas to the A-pillar (or in the case of a rear window to the C-pillar) and the roof edges, which are particularly stressed in the system of the body structure during operation of the vehicle, and the roof edges can thus be made more resilient and thus more damage-resistant.
- the possible uses are not limited to road vehicles and in particular cars, but basically also extend to other vehicles and also to buildings in which laminated glass panes are used.
- the laminated glass pane is as
- Front window of a vehicle executed and the second surface area extends as a circumferential frame along the edges of the laminated glass pane.
- the surrounding frame connects directly to the edges of the laminated glass pane.
- the frame preferably has a width of 1 cm to 20 cm, particularly preferably 2 cm to 10 cm. The width of the frame can vary along the individual pane edges
- the frame can be wider along the top edge than along the bottom edge of the pane, so that in the area of the top edge
- Fastener can be arranged centrally. Since the windshield is connected to the body during installation in a vehicle via an adhesive connection at the edge of the window, that is to say in the area of the surrounding frame, the mechanical stress on the window in the area of the surrounding frame is particularly great.
- the reinforcement using a stiffer polymer film in the edge area also provides effective protection against glass breakage in the event of stone chipping on the edge of the glass.
- the or every second area has an area fraction of less than 25%, preferably less than 10%, of the total area of the laminated glass pane. Basically it is in
- the sum of all second areas preferably has less than 50%, particularly preferably less than 30% of the total area of the laminated glass pane.
- the first type of polymer film is a polyvinyl butyral (PVB) film with an elastic modulus of less than 20 MPa and the second type of polymer film is a PVB film with a modulus of elasticity greater than 100 MPa, each measured according to ASTM D882.
- PVB polyvinyl butyral
- the first type of polymer film is a PVB film with an elastic modulus of less than 20 MPa and the second type of polymer film is an ionomer film with an elastic modulus of greater than 300 MPa, each measured in accordance with ASTM D882.
- polymer films with a different chemical composition can be used both for the first surface area and for the second surface area (s), provided that these meet the other requirements (transparency,
- the thickness of the inner glass or polymer panes is less than 1.4 mm, in particular less than 1.2 mm. Basically, the invention is also in
- the thickness of the first and second type of polymer film is the same and is in the range between approximately 0.6 mm and 1.0 mm. If foil laminates are used, the thickness can also be significantly larger! In principle, thicker or thinner polymer films can also be used, and slight differences in thickness between the polymer film of the first type and the polymer film of the second type may also be acceptable; the above
- Thickness range and die-line correspondence between the two films are, however, technologically advantageous.
- Another aspect of the present invention is a motor vehicle with a laminated glass pane according to the invention installed therein, which is connected to the body via an adhesive connection in the edge region of the vehicle window, the vehicle window preferably being a rear window or a front window.
- FIG. 1 a and 1 b schematic representations (top view and sectional view) of a first embodiment of the invention
- Fig. 2 is a schematic representation (top view) of a second
- Fig. 3 is a schematic representation (top view) of a third
- FIG. 1 a shows a schematic plan view of a car windscreen 1 according to an exemplary embodiment of the invention
- FIG. 1 b shows a sectional view of the same along a sectional plane A-A.
- the front pane 1 is formed as a laminated glass pane with a first and second glass pane 1 a, 1 b each having a thickness of 1.5 mm and a first and second polymer film 1 c, 1 d glued in between the glass panes.
- the largest part of the laminated glass pane is formed with the polymer film 1 c from a PVB with a thickness of approximately 0.75 mm, which is used as standard for such purposes.
- a c is in a cutout of the first polymer film
- Laminated glass pane 1 increased to an extent that despite the
- FIG. 2 schematically shows a further embodiment of the invention in a top view.
- a first polymer film 1 c ’ is again used in the predominant surface area of the front pane and a second, more rigid polymer film 1 d ′′ in the lateral edge and corner areas.
- the front pane 1 ′′ is designed as a laminated glass pane with a first glass pane 1 a with a thickness of 2.1 mm and a second glass pane 1 b with a thickness of 1.1 mm.
- a first type of polymer film 1 c is used in the vast majority of the area of the windscreen in the form of a 0.8 mm thick standard PVB film.
- a second surface area with a second type of polymer film 1 d is arranged in the form of a circumferential frame that is directly on the edges of the
- Laminated glass pane 1 “adjoins.
- the second type of polymer film used is a 0.8 mm thick, stiffer PVB film, which is commercially available under the name Saflex®, DG41.
- the circumferential frame has a width b of approximately 5 cm and has essentially the same width along all edges.
- the windscreen is
- Adhesive connection takes place in the area of the second surface area in the form of the surrounding frame, the stability of the vehicle window is significantly improved, in particular in the event of stone chips.
- the implementation of the invention is not based on the above examples and
- the laminated glass pane according to the invention has two glass panes or two polymer panes or a glass pane and a polymer pane and at least one polymer film or a film laminate bonded between them, a first type of polymer film or a film film being located in a first, larger area of the laminated glass pane.
- a second type of polymer film or a film laminate is arranged with a second, higher rigidity than the first polymer film.
- the laminated glass pane preferably contains at least one polymer pane and the at least one polymer pane is preferably a polycarbonate pane or a
- Laminated glass is preferred as the front window of a vehicle and the second
- the second surface area preferably has the shape of a rectangle or a rounded rectangle or a circle or an ellipse.
- the laminated glass pane is preferably designed as a front pane of a vehicle and a plurality of second areas are arranged in corner or edge areas thereof.
- the or every second area preferably has an area fraction of less than 10% of the total area of the laminated glass pane.
- the first type of polymer film is preferably a PVB film with an elastic modulus of less than 20 MPa and the second type of polymer film is a PVB film with an elastic modulus of more than 100 MPa, each measured according to ASTM D882.
- the first type of polymer film is preferably a PVB film with an elastic modulus of less than 20 MPa and the second type of polymer film is an ionomer film with an elastic modulus of more than 300 MPa, each measured in accordance with ASTM D882.
- the thickness of the inner glass or polymer panes is preferably less than 1.4 mm, in particular less than 1.2 mm.
- the thickness of the first and second type of polymer film is preferably the same and is in the range between 0.6 mm and 1.0 mm.
- the invention comprises a film product for producing a laminated glass pane described above, the film product having a first type of polymer film or film laminate with a first rigidity in a first, larger area and a second type of polymer film or film laminate in at least a second area with a second, higher rigidity.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Glass To Other Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18191429 | 2018-08-29 | ||
PCT/EP2019/070627 WO2020043418A1 (de) | 2018-08-29 | 2019-07-31 | Verbundglasscheibe |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3843992A1 true EP3843992A1 (de) | 2021-07-07 |
Family
ID=63449227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19745161.0A Pending EP3843992A1 (de) | 2018-08-29 | 2019-07-31 | Verbundglasscheibe |
Country Status (11)
Country | Link |
---|---|
US (1) | US11660837B2 (de) |
EP (1) | EP3843992A1 (de) |
JP (1) | JP7145240B2 (de) |
KR (1) | KR20210038929A (de) |
CN (1) | CN111247000B (de) |
BR (1) | BR112020017416A2 (de) |
MA (1) | MA53473A (de) |
MX (1) | MX2021002308A (de) |
PE (1) | PE20201457A1 (de) |
RU (1) | RU2764891C1 (de) |
WO (1) | WO2020043418A1 (de) |
Families Citing this family (3)
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JP7324228B2 (ja) * | 2018-05-03 | 2023-08-09 | セントラル硝子株式会社 | 剛性中間膜を有する車両用ラミネートグレージング |
WO2023110546A1 (de) * | 2021-12-16 | 2023-06-22 | Saint-Gobain Glass France | Windschutzscheibe mit verbessertem aufprallschutz |
CN117203054A (zh) * | 2022-04-06 | 2023-12-08 | 圣戈本玻璃法国公司 | 具有改进的事故安全性的挡风玻璃以及包括具有改进的事故安全性的挡风玻璃的车辆 |
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-
2019
- 2019-07-31 RU RU2020139690A patent/RU2764891C1/ru active
- 2019-07-31 EP EP19745161.0A patent/EP3843992A1/de active Pending
- 2019-07-31 JP JP2020567486A patent/JP7145240B2/ja active Active
- 2019-07-31 US US17/257,216 patent/US11660837B2/en active Active
- 2019-07-31 WO PCT/EP2019/070627 patent/WO2020043418A1/de unknown
- 2019-07-31 MX MX2021002308A patent/MX2021002308A/es unknown
- 2019-07-31 PE PE2020001473A patent/PE20201457A1/es unknown
- 2019-07-31 MA MA053473A patent/MA53473A/fr unknown
- 2019-07-31 KR KR1020217005740A patent/KR20210038929A/ko not_active IP Right Cessation
- 2019-07-31 BR BR112020017416-5A patent/BR112020017416A2/pt not_active Application Discontinuation
- 2019-07-31 CN CN201980002206.9A patent/CN111247000B/zh active Active
Also Published As
Publication number | Publication date |
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MA53473A (fr) | 2022-03-09 |
RU2764891C1 (ru) | 2022-01-24 |
BR112020017416A2 (pt) | 2021-03-09 |
JP2021525188A (ja) | 2021-09-24 |
WO2020043418A1 (de) | 2020-03-05 |
US11660837B2 (en) | 2023-05-30 |
CN111247000A (zh) | 2020-06-05 |
CN111247000B (zh) | 2023-04-07 |
JP7145240B2 (ja) | 2022-09-30 |
PE20201457A1 (es) | 2020-12-15 |
US20210187901A1 (en) | 2021-06-24 |
KR20210038929A (ko) | 2021-04-08 |
MX2021002308A (es) | 2021-04-28 |
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