Society of Glass Technology · [Sheffield] · leaf 635
lowered be-tween the open halves ofthe parison mould, 25, soas to bring the blank quicklyand without distortion intothe blow mould, 27. Theneck rod or plunger, 51, isoperated automatically bythe vacuum and pressure.To avoid mould marks inthe finished ware, it is blowntwice, the blow mould… … Fig. 150. 268. Semi-automatic Bottle-blowing Machine. W. J. Mellersh-Jackson, London, and C. J. Root, Terre Haute, Ind.,U.S.A. (Brit. Pat., No. 176017, August 24th, 1920).—Relates toa semi-automatic pneumatically operated glass bottle blowingmachine, of the type wherein the operation is started by…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
