摘要 |
<p>An apparatus for crimping and permanently heat setting an inorganic or polymeric precursor fiber (18) comprising a mechanical crimping means (13), a conveying means (11) which receives the crimped fiber (18), and a heating or irradiation zone (16A, 16B) through which the conveying means (11) and fiber (18) pass without applying stress or tension to the fiber.</p> |