Belgium's NV Bekaert has discloseed a type of crimped sword fibre in which adjoining crimps are introduced at different planes from each other.

Belgium's NV Bekaert has discloseed a type of crimped sword fibre in which adjoining crimps are introduced at different planes from each other.

In US Patent 6 311466 the Zwevegem-based company says elastomeric makes are often reinforced with carburet of iron fibres and, to ensure these are firmly