| 摘要 |
PURPOSE:To provide a thin seamless belt having excellent dimension stability, heat resistance, mechanical strength, and fatigue performance and its manufacture. CONSTITUTION:A seamless belt is composed of a film, as a tensile body, made from para-oriented aromatic polyamide whose tensile elastic moduli in the longitudinal and width directions are at least 400kg/mm<2> and said seamless belt has no layered structure of a film of para-oriented aromatic polyamide. |
