| 摘要 |
<p>A bobbin basket (20) for use with a lock stitch sewing machine which is injection molded and post cured, and comprises a thermoplastic, amide-imide resinous polymer. Satisfactory, improved and preferred chemical structures of the amide-imide polymers are disclosed. Satisfactory, improved and preferred proportions of the amide-imide polymers, graphite powder and fluorocarbon polymer are disclosed. A process for making such a bobbin basket (20) is also disclosed.</p> |
