Molded article formed of fiber reinforced material

Details Molded article formed of fiber reinforced material Molded article formed of fiber reinforced material

1974-07-26

1976-03-23

Hoffman, Drayton E.

Resilient tires and wheels

Tires, resilient

Patches

152354, 152361R, B60C 902, B60C 918

Patent

active

039454207

ABSTRACT:
A molded article, especially a tire, comprising an elastomeric material and essentially oriented fibers embedded in said elastomeric material, said molded article including at least two sections containing such fibers, wherein said fibers of said sections, with said sections viewed projected into substantially a common plane, possess respective orientation directions differing from one another, and wherein said sections possess respectively different strength characteristics owing to the respective different fiber orientation directions of said two sections.
There is also disclosed a method and apparatus for forming such molded articles wherein there is provided a hollow mold having a mold compartment, and means define at least one auxiliary compartment provided for said hollow mold. The hollow mold includes at least one mold section constructed to be movable to displace molding material containing the fibers and use for forming the article into a part of the hollow compartment of said mold which is initially free of molding material.

REFERENCES:
patent: 3020190 (1962-02-01), Pfeiffer
patent: 3052274 (1962-09-01), Lang
patent: 3057389 (1962-10-01), Dubetz et al.
patent: 3301301 (1967-01-01), Gapen
patent: 3570573 (1971-03-01), Marker et al.
patent: 3570574 (1971-03-01), Marker et al.
patent: 3658108 (1972-04-01), Marzocchi et al.
patent: 3682221 (1972-08-01), Marzocchi et al.

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