Polyblock railway wheel

The wheel consists of a rim (1) and a centre (2) formed from a hub (22) and a flange (6), with a shock absorber (5) between the centre and the rim, held in place by side pieces (3, 4) and fixing bolts (7). The inner portion (9) of the rim has two concave surfaces (10, 11) on either side of the wheel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FRANCOIS DEMILLY, JACQUES BROUCKE
Format:	Patent
Sprache:	eng
Schlagworte:	AXLES FOR WHEELS OR CASTORS CASTORS INCREASING WHEEL ADHESION MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING VEHICLE WHEELS VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The wheel consists of a rim (1) and a centre (2) formed from a hub (22) and a flange (6), with a shock absorber (5) between the centre and the rim, held in place by side pieces (3, 4) and fixing bolts (7). The inner portion (9) of the rim has two concave surfaces (10, 11) on either side of the wheel's plane of symmetry and connected by a generally flat inner surface (12). The shock absorber (5) has a tulip-shaped cross-section, and is made from two rings (19, 20) of an elastic polymer material fixed between inner and outer metal linings, one co-operating with the inner part of the rim and the other with the hub side pieces. The polymer of the shock absorber is preferably of rubber charged with additives to control its rigidity. The sides of the shock absorber can be roughened to improved adhesion.