Society of Glass Technology · [Sheffield] · leaf 743
andthe pressure between the sheet and the roll can be arranged sothat it is sufficient to flatten the sheet without being sufficientlygreat to produce marring of the sheet. After leaving the lip, Q, and before reaching the bending roll,the edges of the sheet may be passed between corrugated rolls,… … Fig. 190. MACHINEKY FOR THE WORKING OF GLASS. 299 416. Drawing Sheet Glass Automatically. W. Gray and The Libbey-Owens Sheet Glass Co., Toledo, Ohio (U.S.A. Pat.,No. 1450590, April 3rd, 1923. Filed July 10th, 1920, No. 395246).—An apparatus for drawing sheet glass consists of a forehcarthfrom which…
Glass
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