A method of shaping a glass sheet includes heating the glass sheet to a temperature for shaping, positioning the glass sheet on a shaping support, and shaping the glass sheet on the shaping support, wherein during the shaping of the glass sheet at least one portion of the glass sheet is deliberately cooled. The shaping of the glass sheet involves press bending a heat softened glass sheet between a lower shaping support and an upper shaping member, wherein during the shaping of the glass sheet on the shaping support only a portion of the major surface of the glass sheet facing the lower shaping support is cooled by directing one or more jets of air onto said portion.

The present disclosure relates to a thermoforming method, a thermoforming mold, and a thermoforming device. The method comprises: providing a glass sheet to be processed at a softening point temperature and above; providing a thermoforming mold which comprises a male mold, a female mold arranged above the male mold and matched therewith, and a limiting block for limiting the female mold from deviate from the male mold, wherein the female mold comprises a central body module and a female mold frame surrounding the central body module and matched therewith; a first pressurizing process, wherein the central body module and the male mold are matched to press a central plane portion of the glass sheet; and a second pressurizing process, wherein the female mold frame and the male mold are matched to press a peripheral portion of the glass sheet so that the peripheral portion is bent and molded relative to the central plane portion; wherein the central plane portion is always pressed by the central body module in the second pressurizing process. The method improves the quality of a molded glass product and enhances the manufacturing yield of the glass product.

The invention provides a glass surface stress meter and multiple-tempered glass surface stress meter, and the glass surface stress meter includes a light source (810, 910), a light refraction element (820, 920) and an imaging unit. The light refraction element (820, 920) is provided at a light-emitting direction of the light source (810, 910) for placing a measured glass (970). The light from the light source (810, 910) comes into the imaging unit to imaging after refracted by the light refractive element (820, 920). The imaging unit includes lens group (830, 940) and a imaging sensor (840, 960). A front end of the lens group is provided at the light-refraction direction of the light refraction element (820, 920) and a back-end is provided with the imaging sensor.

The present invention concerns a method to produce a bent and/or tempered glazing offering improved thermal comfort, comprising the following steps (a) Providing a glass sheet having an outer-side surface and an interior-side surface, (b) Applying a thermal radiation reflective coating over at least a layer of the surface of the interior-side surface of the glass sheet, (c) Applying a black ceramic layer on at least a portion of at least the interior-side surface of the glass sheet, the black ceramic layer covering at least partially the thermal radiation reflective coating and/or running alongside the area covered by the thermal radiation reflective coating, (d) Hot bending and/or tempering the glass sheet. According to the present invention, the black ceramic layer has a pattern that mitigates the contrast in emissivity during the step d. between the area where the thermal radiation reflective coating is not covered by the black layer and the area where the black ceramic layer covers at least partially the thermal radiation reflective coating and/or the black ceramic layer runs alongside the area covered by the thermal radiation reflective coating.

A support structure for supporting a heated glass sheet in connection with a bending operation includes a frame, a support ring adjustably supported on the frame for supporting a peripheral portion of the glass sheet, and multiple rib assemblies associated with the frame. Each rib assembly includes a laterally extending rib supported on the frame and multiple spaced apart support members connected to the rib and configured such that at least a portion of each support member is adjustable with respect to the rib. Furthermore, each support member is configured to contact a respective inner portion of the glass sheet to support the respective inner portion of the glass sheet until the glass sheet has been sufficiently cooled.

A laminated includes two bent glass substrates, a polymer interlayer between the glass substrates, and a notch or orifice cut in an entire thickness of the glazing. The glazing includes a border of compressive edge stresses obtained by general controlled cooling of the substrates in a paired state so that compressive stresses are generated at the border, and a local compression zone, different from the border, and obtained by local controlled cooling of a local area of a main surface of the glazing so that compressive stresses are generated in theid local compression zone. The notch or orifice is located in the local compression zone and made in the substrates in a paired state after forming the local compression zone so that cut contours of the substrates in the notch or orifice have a perfect superposition. The compressive edge stresses of the cut contours are greater than 4 MPa.

A method for manufacturing a laminated glass panel, which includes at least two glass substrates and at least one intermediate layer made of a polymeric material arranged between the substrates, the method including in the following order: the bending of the substrates; the controlled cooling of the substrates; and the formation of a laminated assembly that includes the substrates and the intermediate layer; the cutting of the laminated assembly straight through the entire thickness thereof along a line on one of the main surfaces thereof, the controlled cooling including general controlled cooling and local controlled cooling of an area that includes the cutting line, the local controlled cooling being faster than the general controlled cooling.

The present disclosure relates to the technical field of glass tempering, and in particular to a method and apparatus for weakening stress patterns of tempered curved glass. A through continuous reversible deformation cavity replaces an original split-type air box to serve as an air grid. A fluid smoothing structure is distributed in the cavity and configured for reducing fluid resistance. An outlet airflow orienting and stabilizing structure is distributed outside the cavity and configured for constraining the direction, flow velocity and flow quantity of a jetted airflow. A butt-joint device capable of changing with the curvature of the cavity surface is arranged between the cavity and an air supply source for the cavity.

A glass quench apparatus according to the present disclosure includes lower and upper quench heads configured to supply upward and downward gas flows to a heated glass sheet, and each quench head has multiple quench fins for distributing gas. For each quench head, adjacent quench fins are spaced apart center to center by a distance in the range of 0.87 to 1.15 inches, and each quench fin has multiple outlet openings that each have a diameter in the range of 0.25 to 0.36 inches. Furthermore, for each quench fin, the outlet openings are configured to provide spaced apart impingement points on the glass sheet such that adjacent impingement points are spaced apart by a distance in the range of 0.82 to 1.15 inches.

The present invention discloses a device for processing columnar curved tempered glass. The device mainly comprises a glass heating furnace, a glass bending mechanism and a glass tempering mechanism connected sequentially, wherein the arrangement of each supporting roller in the rollers supporting the high temperature flat glass is changed from planar arrangement in space into curved arrangement corresponding to the shape of the glass to be formed, so that the glass bending mechanism enables the glass to suffer bending deformation. Transferring rollers for outputting the formed curved glass in the axial direction of the supporting roller are arranged at the clearance of the rollers of the bending mechanism. In the present invention, bending shaping and tempering of the high temperature flat glass are completed by two stations to break the normal procedure that bending shaping tempering are carried out by one bending appliance intensively, thereby providing a novel technological approach for processing columnar curved tempered glass.