Formed wheel tire and method

Details Formed wheel tire and method Formed wheel tire and method

1994-09-13

1996-09-03

Stormer, Russell D.

Land vehicles: wheels and axles

Wheel

Compression wheel

152323, B60C 724

Patent

active

055517633

ABSTRACT:
The main distinctive feature of the new design is that the rim has an O-shape of cross-section instead of the conventional U-shape (channel) of cross-section to hold a solid of filled tire is disclosed. The rim assembly or disc type of wheels, for example as one shown in FIG. 2, consists of two half pieces, separating along a central plane. The half pieces are first molded and then are bonded to form a light, hollow and strong rim and wheel assembly. A wheel assembly having a solid tire is made by pouring formed polymer materials such as polyurethane into a rotating mold in which the rim assembly is used as an insert. Use of rotating/reaction casting method can achieve a very high productivity. Optionally a double shot molding may be employed to concentrate strong rigid material such as glass filled nylon in the flat cone and softer polypropylene in the rim.

REFERENCES:
patent: 2692801 (1954-10-01), Rosenberg
patent: 3695728 (1972-10-01), Haussels
patent: 3862779 (1975-01-01), Jayne
patent: 3870372 (1975-03-01), Knipp
patent: 3894776 (1975-07-01), Black
patent: 3952786 (1976-04-01), Kreling et al.
patent: 4453993 (1984-06-01), Rau et al.
patent: 4562031 (1985-12-01), Rossi
patent: 4818034 (1989-04-01), Djerf

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