| 摘要 |
THE PRESENT INVENTION PROVIDES A FRICTION BELT (10A, 10B) WHICH DOES NOT AFFECT QUALITY OF FALSE-TWISTED FIBER PRODUCTS, WHICH HAS EXCELLENT WEAR RESISTANCE, AND WHICH OVERCOMES PROBLEMATIC STRESS CONCENTRATION WHICH WOULD OTHERWISE BY CAUSED BY WARPAGE. THE FRICTION BELT INCLUDES AN UPPER LAYER (11A, 11B) FORMED OF A RUBBER-LIKE ELASTIC MEMBER, WHICH LAYER, DURING USE, COMES INTO CONTACT WITH FIBER TO BE FALSE-TWISTED; A LOWER LAYER (12A, 12B) FORMED OF A RUBBER-LIKE ELASTIC MEMBER AND PROVIDED ON A BACK SURFACE OF THE UPPER LAYER; A CORE MEMBER FORMED OF A MEMBER EXHIBITING ELASTICITY IN THE WIDTH DIRECTION OF THE FRICTION BELT AND PROVIDED IN THE LOWER LAYER IN THE VICINITY OF A BACK SURFACE OF THE LOWER LAYER; AND CORE YARN (14A, 14B) WHICH IS BURIED IN THE LOWER LAYER AND IS DISPOSED ON THE UPPER LAYER SIDE WITH RESPECT TO THE FIRST CORE MEMBER (13A, 13B); WHEREIN THE UPPER LAYER HAS A FLAT TOP SURFACE OR A TOP SURFACE IN WHICH A CENTRAL PORTION WITH RESPECT TO THE WIDTH OF THE BELT IS PROTRUDED IN RELATION TO BOTH EDGES OF WIDTH DIRECTION. |
