Society of Glass Technology · [Sheffield] · leaf 530
ter circulating through the upper series passesthrough the lower series, and it is stated that such an arrangementapproximately equalises the temperature of the table and minimisesdistortion. G. D. 179. Drawing Sheet Glass. M. J. Owens, Assignor to TheLibbey-Owens Sheet Glass Co. (U.S.A. Pat., July… … Fig. 89. Fig. 90. passing around a bending-roll, 12, travels over an endless drawing-table, 14, into the lehr. According to the invention the sheet as itmoves upwards has its temperature reduced, by the time it reachesthe roll, 12, to such a point that its surface is not marked by theroll. Any…
Glass
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