Metal-welded convex double-vacuum-layer glass provided with edges sealed by sealing strips and provided with mounting hole(s)

Abstract

Metal-welded convex double-vacuum-layer glass provided with edges sealed by sealing strips and provided with mounting hole(s) is disclosed. The convex double-vacuum-layer glass comprises upper glass, lower glass and middle glass, and is characterized in that: each mounting hole and a corresponding air extracting hole are of an integrated structure; the number of the mounting hole(s) is 1-4; the periphery of the lower surface of the upper glass, the periphery of the lower surface of the middle glass and the periphery of each air extracting hole are respectively provided with at least one sealing strip; peripheries of the upper surfaces of the middle glass and the lower glass are respectively provided with at least two sealing strips; a position on the lower glass, which is corresponding to each air extracting hole, is provided with at least one sealing strip; after the three sheets of glass are rapidly heated, peripheries of the three sheets of glass are welded under elevated pressure by alloy solder in an atmosphere heating furnace; and each air extracting hole is sealed by utilization of metal solder in a vacuum furnace. The vacuum glass and a manufacturing method thereof are simple in process and high in production efficiency. The manufactured tempered vacuum glass eliminates edge sealing stress and maintains tempered characteristics of tempered glass. The tempered vacuum glass can be produced in a large scale, and the service lifetime of the tempered vacuum glass can be prolonged.

Description

technical field [0001] The invention relates to the technical field of glass deep processing, in particular to a convex double-vacuum-layer glass with a metal welding sealing strip and a mounting hole on the side and a manufacturing method thereof. Background technique [0002] As a new type of glass with the most energy-saving potential, vacuum glass has achieved large-scale production after more than ten years of research and development, and has been well applied in many fields, especially in the construction field; but there are also obvious The shortcomings are mainly low production efficiency, small production capacity, and inability to produce tempered vacuum glass, etc., which limit its popularization and application in a wider range; the existing large-scale production of vacuum glass uses high temperature (430-480°C) normal pressure The production process of lower edge sealing, low temperature (180-300°C) vacuuming and sealing, because it needs to be kept warm for ...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a kind of convex double-vacuum laminated glass with a metal welding sealing strip and a mounting hole on the edge and its manufacturing method for the defects of the existing vacuum glass. This vacuum glass and its manufacturing method are Simple, high production efficiency, the prepared tempered vacuum glass can not only reduce or eliminate the edge sealing stress but also maintain the tempered characteristics of tempered glass, can produce tempered vacuum glass in large quantities, and can increase its service life

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