Society of Glass Technology · [Sheffield] · leaf 661
onical shape, so that it fitsinto a conical recess, 6, inthe block, 5, that holds themould. Thus when mould-ing pressure is applied to jlfr-^the mould, the halves are —<«!forced tightly together, and Fig. 136.the formation of seams, resulting in fins, on the bottle neck is prevented. The plug,… … MACHINERY FOR THE WORKING OF GLASS. 179 having an annular groove suitable for the capsule closure, describedin U.S.A. Pat. No. 1191194. G. D. 253. An Improved Mould. Karl E. Peiler (Assignor to Hartford-FairmontCo.) (U.S.A. Pat., March 12th, 1918, No.1259280. Filed March 17th, 1914, No.825237).—A…
Glass
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