Apparatus and method for tempering glass sheets

Details Apparatus and method for tempering glass sheets Apparatus and method for tempering glass sheets

C - Chemistry, Metallurgy

03

B

49/45, 49/89

C03B 23/03 (2006.01) C03B 27/044 (2006.01) C03B 29/08 (2006.01) C03C 27/04 (2006.01)

Patent

CA 1326136

ABSTRACT A manufacturing line for tempering glass sheets includes a furnace, an oven, a bending means, and a chilling means positioned in order along a generally horizontally extending conveyor for the glass sheets. The oven extends between the furnace and the bending means to maintain the glass sheets at a predetermined temperature. The oven has sidewalls formed of a plurality of brushes and is selectively extensible along the path of travel of the glass sheets. The oven includes controlled heating means. The chilling means includes a plurality of tubes positioned above and below the path of travel of the glass sheets and connected to a source of air under pressure. The tubes are arranged in rows generally perpendicular to the path of travel and columns generally parallel to the path of travel in order to cause the glass sheets to meet predetermined fragmentation specifications.

590415

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