Molded article formed of fiber reinforced material
US3945420A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1974 |
| Grant date | Mar 23, 1976 |
| Priority date | — |
| Expiry date | Jul 26, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10819
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.