Society of Glass Technology · [Sheffield] · leaf 554
WORKING OF GLASS. 153 171. Apparatus for Drawing Glass Cylinders. J. J. Bloxsom and E. E, Myers (U.S.A. Pat. No. 1375818, April 26th,1921. Filed September 2nd, 1919, No. 321103).—The inventionrelates to cylinder-drawing apparatus of the kind in which theair for blowing the cylinder is supplied… … Fig. 110. supply pipe, 9, has a telescope sleeve, 11, which is lifted to connectwith the pot conduit, 10, by a lever, 13, that is actuated by aspring, 15, as a pot is brought into the drawing position. Thelower end, 16, of the pipe, 9, is also closed by a valve, 17, controlledby a counterweigh ted…
Glass
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