Society of Glass Technology · [Sheffield] · leaf 586
of bottles having re-entrant bottoms. The parison is partly blown in the parisonmould, 15 (Fig. 80), and is formed with a solid annular projection.P. It is then inverted, and the blowing completed in a mouldhaving a movable projecting bottom, 34 (Fig. 81), the final shapebeing shown in Fig. 82. The… … Fig. 80. Fig. 81. Fig. 82. charge the finished bottle, and a separate cam, 36 (Fig. 81),operates the movable projecting bottom, 34. H. G. C. 140. Semi-automatic Bottle -blowing Machine. JamesW. Lynch (U.S.A. Pat,, March 18th, 1919, No. 1297706. FiledSeptember 28th, 1916, No. 122658).—The invention…
Glass
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