ROTARY PLUNGER FOR GLASS DISCHARGE HOLES

摘要

equipment for manufacturing articles from hollow and pressed glass. SUBSTANCE: rotary plunger for pushing out of melted glass in portions has axle, holder and screw blades. Axle is mounted on plunger center. It is made hollow with stabilizing tubes and/or sections. Screw blades are positioned on cylinder. Plunger axles with cylinder, screw blades and stabilizing tubes and/or sections make up carcass manufactured from fine-grained stabilized or dispersedly strengthened platinum or from platinum alloys with wall thickness of 0.5-2.5 mm. Stabilizing tubes and/or sections, while passing through central axis of plunger, are secured with their tail ends to cylinder. EFFECT: increased service life. 9 cl, 7 dwg