Improvement in procedures for manufacturing hollow, pressed or blowed glass with resistance to thermal or mechanical shock (Machine-translation by Google Translate, not legally binding)

摘要

Improvements introduced in the main patent object number 195,135 granted by "improvement in the manufacturing processes of hollow pressed or blown glass with resistance to thermal or mechanical shock characterized by the tempering of the glass objects, once heated, is carried out by introducing them into a hot air bath. The room temperature or cooling down on the piece of glass in all its contour with such characteristic, whose effect is placed inside a container provided on all its surface with holes for the passage of the air whose container is housed in a chamber in which enters the air in the required conditions whose camera also includes the air heater. (Machine-translation by Google Translate, not legally binding)