| 摘要 |
<p>The production of fibers from thermoplastic materials, particularly glass fibers, by projecting or applying a layer of the material from one or more streams in a viscous state, onto the external surface of a rapidly moving or rotating body, which is provided with priming points for starting the emission for individual fibers from the layer of the material by centrifugal force, until the fibers are in condition to be subjected to attenuating forces produced mechanically or by attenuating gaseous blasts. The priming points for the fibers may be provided mechanically by roughenings, ridges, snagging or hooking points, etc.; thermally by forming a plurality of points of different heat gradients; or pneumatically by forming orifices in the external wall of the moving body, through which gas under pressure is blown to start the formation of the filaments from the layer of viscous material.</p> |
