Cold-bent insulating glazing
A glass window and cold bending technology, applied in glass forming, parallel glass structure, glass manufacturing equipment, etc., can solve many problems in the preparation of curved laminated glass
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example 1
[0032] Tempered laminated glass is manufactured by combining 2 tempered monolithic panes, each with skins compressed at 120 MPa, each pane having dimensions 1938 × 876 × 8 mm, with 4 PVB interlayers (4 times 0.38 mm PVB thickness). The glass is then faced as figure 1 The deformation shown in . The glass is kept at a fixed width 2 and length 3 by a vertical vector pointing downwards and the displacement applied to the sides does not remain fixed, as in figure 1 shown in . This is done after the assembled glazing has been brought to a temperature of 20° C. in the one case and to a temperature of 70° C. in the other case. A force sensor 4 placed under the tension rod applying the displacement makes it possible to measure the applied force at different points on the perimeter of the glazing. At some points the force is tension and at others it is compression, so the result is zero. The load borne by the glazing is thus evaluated by adding up the absolute values of the force...
example 2
[0034] In this example, the preparation of an insulating glazing combining laminated glass and tempered glass is described. Laminated glass consisting of two 1.4 m x 0.7 m glass panels each 6 mm thick is assembled with four 0.38 mm thick PVB panels. The tempered glass has dimensions of 1.4 m x 0.7 m and a thickness of 8 mm. The laminated glass and the tempered glass are assembled in an insulating glazing comprising an argon-filled cavity having a thickness of 16 mm and a watertight barrier comprising spacers adhesively bonded to the glass with butyl resin , the silicone strip surrounds the entire insulating glazing between the spacer and the outside of the glazing. The assembly was left in the open air to polymerize for 15 days. The glazing is then placed on a cylindrical metal frame (curved in one direction but not perpendicular to it) with a radius of curvature of 15m. The glazing is made in the shape of a frame and this shape is maintained thanks to the metal profiled el...
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