Society of Glass Technology · [Sheffield] · leaf 591
onveyer into the lehr. On its way downthe conveyer, the sheet passes under a water-cooled roller, 28 andeach end of the roller is provided with a cutting disc, 33, whichtrims off the edges of the sheet. Other cutting discs, 34, are alsocaused to score the sheet longitudinally, and a reciprocating… … Fig. 89. MACHINERY FOR THE WORKING OF GLASS. 100 glass to be regulated by the length of the drop between the sill,15, and the conveyer, a longer drop giving a better quality ofglass. G. D. 150. Sheet Glass. James H. Campbell (U.S.A. Pat., August5th, 1919, No. 1312306. Filed January 7th, 1919, No.…
Glass
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