FIELD: chemistry.
SUBSTANCE: glass-blank is placed on a mould with a specified curvature of the moulding surface and glass heating is realised. In the process of heating, when the temperature of 450-550°C is reached, additional heaters are turned on, which realise controlled heating of areas of the glass open surface due to the vertical movement of the heaters and an independent change of power of each of heat irradiators.
EFFECT: increase of the curve precision.
2 cl, 3 dwg
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Authors
Dates
2015-04-10—Published
2014-02-26—Filed