STRESS CONTROL ZONE CAPABLE OF REDUCING THE BAD EFFECT OF THE STRESS ON A GLASS RIBBON AND A GLASS SHEET

摘要

PURPOSE: A stress control zone for a glass ribbon and a glass sheet is provided to reduce the transformation of the ribbon generating a wrap around a draw.;CONSTITUTION: A manufacturing apparatus(13) using a downdraw process forming a glass ribbon comprises the following: a first pulling roll set(60) contacting with the glass ribbon(15); a second pulling roll set(70) located on the lower side of the first pulling roll set; and a stress control zone(50) for passing through the glass ribbon while using the apparatus. The stress control zone includes heating elements.;COPYRIGHT KIPO 2011