Treating glass sheets to heal vents that result in breakage during thermal treatment
作者： Joseph B. Kelly
DOI:
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摘要: This invention relates to applying a protective composition the vicinity of scored region glass sheet. The is weakened and develops vents as result scoring. Such are likely develop breakage when sheet subjected thermal treatment associated with tempering. application made before processing by heating above its strain point followed rapid cooling below point. flows at lower temperature than which it applied capable healing during after said composition, thereby reducing tendency vent into treatment.
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