An energy saving method for the bending of glass sheets is disclosed. A sheet of glass is heated in an oven, conveyed to a curving form which includes a plurality of arched rods for imparting a desired curvature to the glass sheet, and finally the curved glass is tempered. The glass is heated in the...http://www.google.es/patents/US4236907?utm_source=gb-gplus-sharePatente US4236907 - Method for bending glass sheets and apparatus therefor
Method for bending glass sheets and apparatus therefor