Patent ID: 7308806

Claim:
An air-exhausting lehr for laminated glass sheets, comprising: a tunnel-like lehr having a longitudinal direction and a lateral direction; a conveyor for carrying laminated glass sheets continuously through the lehr; retainer elements present in the conveyor for holding glass sheets in a substantially upright position and in the lateral direction of the lehr; air circulation ducts, having fans and heating elements associated therewith for blasting heated air between the laminated glass sheets disposed on the conveyor within the lehr; slots associated with the air circulation ducts in a floor and a ceiling of the lehr for the circulation of air; and means for covering at least a portion of the tunnel mouth at each outer end of the lehr tunnel, wherein the sides of the lehr are provided with movable walls for adjusting the lehr width to match a given glass size, and wherein the walls include substantially upright panels, having their top and bottom ends provided with substantially horizontal cover screens.