(under the class definition) Apparatus comprising means utilizing inherent tackiness of molten glass for pulling glass into tube or rod form from a supply of molten glass - the initial form being defined, generally, by a bait.
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86+, for a process of drawing and simultaneously forming hollow stock.
89, for a process of film forming of hollow stock onto a surface.
183, for tube forming means comprising an extrusion die with discharge assistant means.
184, for tube formers including means charging a glass film on a mandrel.