Society of Glass Technology · [Sheffield] · leaf 512
, 24, consisting of blocks of refractory material whichdip to an adjustable extent in the metal. A plunger has arecess, 27, the lower wall of which is wedge-shaped, and is perfor-ated with a passage, 25, through which passes the metal from whichthe edges of the sheet are formed. In operation a bait… … which enter the recesses in the plungers, 24, and draw the metalfrom the passages, 25. The edges of the sheet are thus drawn from separate portionsof metal which unite with the body of the sheet as they leavethe passages, 25. The temperature of the sheet is regulated asit is drawn upwards by means…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
