Title: Molded article formed of fiber reinforced material

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.

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Other info:

Inventors: Gorter, Werner (Baden, OE)
Kresta, Erich (Perchtoldsdorf, OE)
Stumpf, Horst (Baden, OE)

Application Number: 492029
Filing Date: 1974-07-26
Publication_date: 1976-03-23
Assignee: Semperit AG (Vienna, OE)
Primary Class(es): 152/452 152/458, 152/526, 152/539
Other Classes:
US Patent Ref:

3020190	Feb, 1962	Pfeiffer	156/125.
3052274	Sep, 1962	Lang	152/361.
3057389	Oct, 1962	Dubetz et al.	152/354.
3301301	Jan, 1967	Gapen	152/354.
3570573	Mar, 1971	Marker et al.	152/361.
3570574	Mar, 1971	Marker et al.	152/361.
3658108	Apr, 1972	Marzocchi et al.	152/357.
3682221	Aug, 1972	Marzocchi et al.	152/354.

Other Refs:
Primary Examiner: Hoffman, Drayton E.
Assistant Examiner:
Attorney: Kleeman; Werner W.