Patent ID: 9493373
Filing Date: 2016-11-15
CPC Classification: C03B

Claim Text:
1. An apparatus for conveying glass sheets comprising: an air support table included in a heating furnace, the air support table being provided with blast apertures and exhaust apertures, wherein the blast apertures are connected to a plenum chamber present underneath the air support table, and the exhaust apertures are connected to exhaust passages present inside the air support table, and a blower for conducting pressurized air into the plenum chamber; wherein each of the exhaust passages includes at least one end provided with a gate capable of being opened and closed, the at least one end opening directly to the heating furnace when the at least one gate is open; wherein air flowing directly into the heating furnace from the exhaust passage at the at least one end adjacent to the gate can be completely or partially blocked by means of the gate whereby closing the gate results in an increase in a glass supporting effect.