APPARATUS FOR BENDING GLASS

In glass bending apparatus employing an array of curved rods to define a cylindrical surface over which glass sheets heated to plasticity are traversed in order to conform them to that surface, the invention provides a roller construction which includes for each roller a corrugated tube engaged over...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PAGEL W,DT, KUPPER P,DT, NEDELEC M,FR, SCHMITT H,DT, MEYER J,DT, HOFF K,DT
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	In glass bending apparatus employing an array of curved rods to define a cylindrical surface over which glass sheets heated to plasticity are traversed in order to conform them to that surface, the invention provides a roller construction which includes for each roller a corrugated tube engaged over a curved rod and caused to rotate and to flex with respect to the rod by suitable driving mechanism, the tube having a plurality of bearing rings affixed inside thereof between adjacent inwardly directed corrugations of the tube and disposed radially inwardly of an outwardly extending corrugation of reduced diameter at which annular sections of the tube are assembled as by welding at a circumferential seam. At each such seam a split ring is assembled over the seam to restore the outwardly extending corrugation of the tube to full diameter.