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| During the past 15 years tempering of bent glass has mainly changed to horizontal methods.
| The current manufacturing of tempered glass is a complex as well as time- and cost-intensive process. Not only long processing times, but also high energy costs have a significant impact.
| When new installations of flat tempering machines suited for architectural glass are discussed today, the option of convection technology is certain to be raised.
| The oscillating horizontal tempering furnace developed in the 1970s has been one of the most significant innovations of recent decades, above all commercially.