Society of Glass Technology · [Sheffield] · leaf 454
ing the parison mould, 52, etc., is hung onparallel levers, 36, 37, provided at their inner ends with a counter-weight, 38. A fixed cam, 22, mounted on the central column, 16,engages a roller, 44, adjustably fixed to the weight, 38, and raisesand lowers the parison mould, 52, to permit gathering,… … 54 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. 44, is correspondingly adjusted on the weight, 38. By this arrange-ment, moulds of different lengths can be simultaneously used inthe same machine. The arms, 50, 53, which carry the parisonmould halves, 52, are operated by link mechanism, 57, 58,…
Glass
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