Society of Glass Technology · [Sheffield] · leaf 548
rated by cam-grooves,39, 44, in a plate, 40, which is mounted on the spindle, 27, whichdoes not, however, swing with the arm, 28. The plunger, 34,and knife, 35, are operated by cams formed on a frame, 48. Thebottom of the spindle, 27, rests on a cam, 60, which lowers the MACHINERY FOR THE WORKING… … Fig. 102. opened so as to bring a fresh pair of mould cavities into operation.Vacuum for gathering and compressed air for blowing are con-veyed through pipes, 68, 70, from a control valve arrange-ment, 71. H. G. C. 165. New Device in Making GlassBottles. T. C. Moorshead, London (Brit.Pat., No.…
Glass
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