Society of Glass Technology · [Sheffield] · leaf 535
nd the total pressure is dividedbetween the table and the sucker rim in the proportion of the areabetween the lines, 18, to the annular area between the lines, 17, 18.Abrasive material is prevented from reaching the piston, 7, by theoverlap of the disc, 6, and the cone or cylindrical surface, 11,… … FiG. 94. MACHINERY FOR THE WORKING OF GLASS. 157 forated and the vacuum space beneath it is enclosed by a rubberor like ring, 15. A series of suckers may be arranged on the surfaceof the table which may be horizontal, vertical, or inverted, and thesuckers may be utilised to flatten slightly buckled…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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