The present invention provides an automobile window glass on which a device that acquires electromagnetic waves is disposable. The automobile window glass includes an outer glass plate, an inner glass plate, an intermediate film disposed between the outer glass plate and the inner glass plate, and a blocking layer that is disposed on at least one of a surface on the vehicle interior side of the outer glass plate and a surface on the vehicle interior side of the inner glass plate. The intermediate film includes a functional layer having a transmission region that allows transmission so as not to affect reception of the electromagnetic waves, and an adhesion layer that is disposed on at least one surface of the functional layer and does not affect reception of the electromagnetic waves. The blocking layer has at least one opening at a position corresponding to the transmission region.

The present invention is a windshield on which an information acquisition device that acquires information from outside of a vehicle by emitting and/or receiving light can be arranged, the windshield including: an outer glass plate; an inner glass plate; an interlayer film arranged between the outer glass plate and the inner glass plate; and a mask layer laminated on at least one of a surface on a vehicle interior side of the outer glass plate and a surface on a vehicle exterior side of the inner glass plate, in which the interlayer film includes a colored shade region, a transparent non-shade region, and a transparent sheet member that is fitted into at least one through hole formed over the shade region and the non-shade region.

The present invention provides a windshield on which an information acquisition device that acquires information from outside of a vehicle by emitting and/or receiving light is disposable, the windshield including: a glass plate; and a heating wire that is provided on the glass plate and to which a current is applied. The glass plate includes at least one information acquisition region that faces the information acquisition device and through which the light passes, the heating wire includes a plurality of linear main body portions that pass through at least the information acquisition region and a linear linking portion for linking the plurality of main body portions, and at least one of the linking portions includes a heat generation suppressing means for suppressing heat generation when a current is applied.

The laminated glass includes: an outer glass plate; an inner glass plate; and an interlayer film arranged between the outer glass plate and the inner glass plate, in which the interlayer film includes: a colored shade region; a transparent non-shade region; and a transparent sheet member fitted into a through hole formed over the shade region and the non-shade region, an information acquisition device is arranged so as to oppose the sheet member, and when a thickness of the laminated glass at a central point of the sheet member is defined as H1 and a thickness of the laminated glass at a point that is 400 mm away from an edge portion of the sheet member on a virtual line extending in a horizontal direction through the central point is defined as H2, equation (1) below is satisfied.

0<|H1−H2|<120 μm  (1)

A glazing (10) comprising a switchable optical device (26) is proposed. The switchable optical device (26) has a layer structure comprising in this order a first substrate (12), a switchable layer (18) and a second substrate (24).

Further, at least one of the first substrate (12) and the second substrate (24) is attached to a further sheet (30) by means of an adhesive tape (40) or an optically clear adhesive (48).

Further aspects of the invention relate to a laminated structure and an insulated glazing unit comprising such a glazing (10) and a method for manufacturing of such a glazing (10).

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.

The present invention provides an interlayer film for a laminated glass capable of providing a laminated glass that reduces the occurrence of optical distortion, a laminated glass including the interlayer film for a laminated glass, and a method for producing the interlayer film for a laminated glass. Provided is an interlayer film for a laminated glass, having a maximum thickness curvature in a width direction of the interlayer film for a laminated glass of 0.010 m.sup.−1 or less.

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.

A method of manufacturing a glass resin laminated body includes a step of sticking a glass film on a resin film via an adhesive layer while holding the glass film and the resin film between a first roller that presses against the resin film and a second roller that is disposed opposite to the first roller and that presses against the glass film. A ratio of an elastic modulus P1 of a surface layer of the first roller to an elastic modulus P2 of the resin film P1/P2 satisfies a relation of 3×10.sup.−3≤P1/P2≤1.0.

A method for laminating glass sheets is disclosed. A sandwich structure sheet moving in a heating furnace on rollers is heated by two-sided hot air blasting which is carried out by several successive blowing aperture sections, and, to reduce or prevent the formation of air bubbles in finished laminated glass, the heating of the rear end of the sandwich structure sheet is prevented by cutting off the hot air blasting of at least one blowing aperture section when the rear edge of the sandwich structure sheet approaches the blowing aperture section. An apparatus for laminating glass sheets is also disclosed, comprising a heating furnace, a pair of press rolls and means for establishing location data on the sandwich structure sheet. The heating furnace is provided with a roller track, a blower, a heating resistor, an air distribution conduit, and several successive blowing boxes with closing means.