Society of Glass Technology · [Sheffield] · leaf 670
MACHINERY FOR THE WORKING OF GLASS. 187 tion relates to the drawing of glass in sheet form and to meansfor preventing the pulling-in of the edge of the sheet, The draw-ing member consists of a block, 4 (Figs. 151 and 152), floating onthe metal, 3, and provided with an elongated slot, 15… … Fig. 151. rf Fig. 152. has an extension or shelf, 8, having its upper face grooved, andthis groove communicates by an opening, 10, with vertical openings11, 12, pierced through the block. In use, the blocks, 5, are adjusted so that the edges of thesheet are drawn from the grooved upper faces of the…
Glass
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