Metal-welded convex double-vacuum-layer glass provided with edges sealed by sealing grooves and manufacturing method thereof
A technology of metal welding and convex glass, applied in the field of glass deep processing, to achieve high sealing strength and airtightness, eliminate variable deformation, and eliminate edge stress
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[0043] Example: Referring to the drawings, the convex double vacuum layer glass is composed of an upper convex glass 1, an intermediate glass 3 and a lower convex glass 2. The manufacturing method is as follows: First, cut three flat glass of the required size according to the shape and size of the convex double vacuum layer glass to be manufactured, and open the sealing groove 4 at the corresponding upper surface of the middle glass 3 and the lower glass 2, and The three pieces of glass were edged, chamfered, cleaned and dried; secondly, the sealing strip 5 was sprayed around the lower surface of the upper glass 1 and the middle glass 3, and then the silver paste layer 6 was made on the surface of the sealing strip and the sealing groove. The intermediate glass 3 is directly sent into the tempering furnace for tempering treatment, the upper and lower glasses are loaded into the mold, and the temperature is raised to the softening temperature of the glass at 550-750°C, and the g...
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