| 摘要 |
An opaque or coloured glass product is manufactured by producing a blank from a glass of the silicate or germinate class, of porous structure with communicating pores, one or a number of dopants are deposited nonuniformly inside the pores of this blank so that after collapse of the walls of the pores and homogeneous consolidation of the blank in a suitable atmosphere in order to maintain the opacity or the colour, and after cooling of the blank, the surface layers of the latter are maintained under a stress ensuring a reinforcement of the mechanical strength of the blank. This process can be applied to the manufacture of reinforced glass articles such as windows, cooker tops, tubes, laboratory apparatus, tanks or the like. |
