| 摘要 |
<p>Glass is toughened by quenching the hot glass in a bath which consists essentially of a major proportion of a carrying liquid which is inert relative to the glass and has a boiling point below the temperature of the hot glass which is to be quenched and of a minor proportion of a liquid having a boiling point at least 100 DEG C. below the boiling point of the above mentioned carrying liquid. Thereby the speed of quenching the glass is greatly increased.</p> |
