Society of Glass Technology · [Sheffield] · leaf 597
s for reciprocating the shear blades are thrown out ofaction by a stop arm, 16, mounted on the same stud as the lever andoperated by the rod, 18, which in turn is raised by a hand lever, 27,actuating the cam, 22, through the bevel gears, 24 and 25. Whenthe arm, 16, is raised it holds the upper ends… … Fig. 99. 158. Glass Feeding Device. O. M. Tucker and W. A.Reeves, Columbus, Ohio, U.S.A. (Brit. Pat. No. 131586, August5th, 1919, No. 19288).—In extruding charges from a dischargeorifice, pressure is applied to the molten metal so that the rateof extrusion is not less than the rate of downward…
Glass
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