Society of Glass Technology · [Sheffield] · leaf 527
er stationary rings, 33, 34. Compressed air passes froma connexion, 17, to an annular port, 35, in the meeting faces of therecesses, 31, and ring, 33, and then by ports, 36, to the joints, 23,of the cooling air-blast pipes, 22. The vacuvim pipe, 13, is con-nected to the upper part of the ring, 34,… … Fig. 7S. 206. Machinery for Drawing Glass Cylinders. A. E. Spinasse, U.S.A. (Brit. Pat. No. 114819, November 26th. 1917,No. 17474. Convention date, April 12th. Not yet accepted.Abridged as open to inspection under Sect. 91 of the Act).—Tndrawing glass cylinders, the hollow bait used is coated on…
Glass
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