A device for tempering of a glazing by contact has two cooled compression plates and a device for cooling the peripheral surface of the glazing by air jets. The device intended to cool peripheral surfaces of the glazing consists of parallelepipedic blowing ramps placed between cooling and compression...http://www.google.es/patents/US5021075?utm_source=gb-gplus-sharePatente US5021075 - Device for tempering by contact of glazings
