A laminated glazing unit includes a first sheet of soda-lime-silica mineral glass having a thickness e1 of between 1.5 mm and 2.5 mm, a second sheet of mineral glass and a lamination interlayer, the first and second mineral glass sheets being adhesively bonded together by the lamination interlayer. The second mineral glass sheet is a sheet of soda-lime-silica mineral glass having a thickness e2 of between 0.4 and 1.1 mm, the second sheet of soda-lime-silica mineral glass being chemically toughened. A surface compressive stress of the second sheet of soda-lime-silica mineral glass is between 350 MPa and 550 MPa and a ratio R=e1/e2.sup.2 is at most 20 mm.sup.−1.

Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property and the interlayer adhesive force in an interlayer film having increased transparency. An interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass having a one-layer or two or more-layer structure, the interlayer film includes a first layer containing a vinyl monomer polymer, the vinyl monomer polymer is a polymer of a polymerizable composition containing a monomer having a functional group having hydrogen bondability, and a laminated glass in which the interlayer film for laminated glass is arranged between two sheets of float glass having a thickness of 2.0 mm, a length of 30 mm and a width of 2.5 cm in conformity with JIS R3202 has a haze, measured in conformity with JIS K6714 by using a haze meter, of 0.5% or less.

The present invention provides a cover glass that can be installed in an automobile so as to cover a display unit including a plurality of information areas, including a glass body that has a first surface facing the display unit side, and a second surface opposite to the first surface, and that includes a plurality of transmission areas respectively corresponding to the information areas.

By means of a method and an apparatus for laminating glass sheets, the effect of the variation of the initial temperature of the glass on the success of the lamination furnace treatment and the variation of the quality of the laminated glass can be eliminated, thus reducing quality costs. In the method, a sandwich structure sheet including glass and laminating film layers is heated in a lamination furnace, after which the heated sandwich structure sheet is conveyed between a pair of press rolls, and before the lamination furnace is measured the temperature of at least one glass sheet comprised in the sandwich structure sheet, and on the basis of that data, the heating effect of the lamination furnace on the sandwich structure sheet is changed. The apparatus comprises, upstream of the lamination furnace, a temperature measuring device for measuring the temperature of the glass sheets.

Transparent or translucent sound diffuser-absorbers include a first glass sheet of less than 0.8 mm thickness and a second glass sheet of less than 0.8 mm thickness with a transparent or translucent adhesive layer there between, the adhesive layer adhering the first and second sheets in a fixed configuration such that a first major surface of the first glass sheet has a smooth, repeatedly rising and falling shape. The diffuser-absorbers further include a plurality of through-holes extending through the first glass sheet and through the adhesive layer and through the second glass sheet. Methods of forming are also disclosed.

A composite pane having electrically controllable optical properties, includes an outer pane and an inner pane that are joined to one another via a thermoplastic intermediate layer, wherein a functional element having electrically controllable optical properties is embedded in the intermediate layer, the functional element including an active layer between a first carrier film and a second carrier film, wherein the intermediate layer contains a first thermoplastic material and the carrier films contain a second thermoplastic material, and wherein the first carrier film and the second carrier film are fused together along at least one region of the side edge of the functional element.

A glazing unit includes at least one first and second glass or plastic pane that are joined to one another at a predetermined distance via a spacer or a thermoplastic intermediate layer, wherein at least one of the first and second glass or plastic pane includes, on the inner side of the glazing unit, a transparent electrically conductive coating and, in an edge region thereof, a bus bar for the electrical connection of the conductive coating, wherein the bus bar is provided, at least over the greater part of its surface, with an opaque covering.

An optical bonding machine is provided that includes a robotic placement machine having a Z axis actuator coupled to a first end of a base portion of the robotic placement machine, the Z axis actuator capable of moving up and down a Z axis, and a pick and place plate operably connected to the Z axis actuator, and a vertically oriented adhesive application valve configured to apply an amount of adhesive onto an underside of a substrate, the underside of the substrate facing down when the amount of adhesive is applied, wherein the pick-and-place plate of the robotic placement machine manipulates the substrate within the optical bonding machine such that the substrate receives the amount of adhesive prior to being optically bonded to an other substrate; wherein a movement of the robotic placement machine is controllable over at least 3 axes.

laminated glazing includes a first glass sheet constituting an external face of the glazing, connected to a second glass sheet by a first interlayer adhesive layer, the edge of the first glass sheet being set back with respect to that of the second, a peripheral part of the free surface of the first glass sheet, its edge face, that of the first interlayer adhesive layer and a part of the surface of the second glass sheet extending beyond the first describing a continuous stepped contour which is covered, with interposition of adhesive, with a stepped element made of polymer material which can contain reinforcing fillers, which exhibits a permeability to water vapor at most equal to 5 g/m.sup.2/day.

A laminated glazing comprising a first ply of glazing material and a second ply of glazing material joined by at least one ply of adhesive interlayer material is disclosed. The first ply of glazing material comprises a sheet of glass having a first composition and the second ply of glazing material comprises a sheet of glass having a second composition different to the first composition. The laminated glazing has (i) a peripheral region extending around the periphery of the laminated glazing, the laminated glazing having a surface compression stress in the peripheral region and (ii) an edge compression, wherein the magnitude of edge compression is greater than the magnitude of the surface compression stress in the peripheral region. A method of making such a laminated is provided. A glass sheet suitable for being incorporated in such a laminated glazing is also disclosed.