Back to results
US 5,672,421 AGranted
Heterofilaments for cord reinforcement in rubber goods
AssigneeHoechst Celanese Corporation
InventorHarry W. Stanhope
Life of this patent
Estimating the term…
Abstract
In an improved power transmission belt, the circumferentially disposed reinforcing cords are made from multi-filament yarns of heterofilaments. These cords, when fused, have good inter-filament bonding without the solvent of the solvent/adhesive systems.
Claims5
An article of manufacture comprising a cord adapted for reinforcing a rubber good, said cord being disposed within said good, said cord comprising a heterofilament, said heterofilament being a sheath/core filament, said sheath consisting essentially of polybutylene terephthalate;
- and said core comprises materials being selected from the group consisting of polystrene, polyolefin, polyvinyl, polyester, and polyurethane.
Dependencies are inferred from the claim text.