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    • 9. 发明授权
    • Method of treating preformed flexible imaging belts to form ripple-free
and dimensionally precise belts
    • 处理预成型柔性成像带以形成无波纹和尺寸精确的带的方法
    • US5885512A
    • 1999-03-23
    • US941914
    • 1997-10-01
    • Robert C. U. YuDonald C. VonHoeneAnthony M. HorganRichard L. PostSatchidanand MishraEdward F. GrabowskiBing R. Hsieh
    • Robert C. U. YuDonald C. VonHoeneAnthony M. HorganRichard L. PostSatchidanand MishraEdward F. GrabowskiBing R. Hsieh
    • G03G5/10B29C31/00B29C63/20B29C71/02B29C55/24B29C61/02
    • B29C71/02B29C31/002B29C63/20B29C2071/022B29L2009/00B29L2009/008B29L2031/709B29L2031/764
    • A method of treating a preformed flexible imaging belt including providing a rigid cylindrical support drum having a precisely predetermined outer circumference, a first end and a second end, providing a preformed flexible electrostatographic imaging belt, circumferentially expanding the belt with a flowing fluid under pressure until the circumference of the inner surface of the belt adjacent the first end of the drum is stretched to a new dimension of at least about 0.1 percent greater than the outer circumference of the rigid support drum while maintaining the belt below the elastic limit of the belt to smooth out physical defects, sliding the belt onto the drum from the first end toward the second end until substantially all of the belt encircles the outer surface of the drum, terminating the flow of the flowing fluid to allow the belt to contract onto the outer surface of the support drum, heating the belt to a treatment temperature of between about the glass transition temperature and about 10.degree. C. above the glass transition temperature of the substrate or the imaging layer, the treatment temperature being the higher of these two glass transition temperatures, until the belt relaxes onto the outer circumference of the rigid drum and is substantially free of any tendency to contract back to the original circumference of the inner exposed surface prior to circumferentially expanding the belt, cooling the belt to ambient room temperature, and removing the belt from the drum, the belt having a new inner circumference substantially identical to the precisely predetermined outer circumference of the rigid cylindrical support drum.
    • 一种处理预成型的柔性成像带的方法,包括提供具有精确预定的外周的刚性圆柱形支撑滚筒,第一端和第二端,提供预成型的柔性静电成像带,在压力下使流体流体周向地膨胀带直到 与滚筒的第一端相邻的带的内表面的圆周被拉伸到比刚性支撑滚筒的外圆周大至少约0.1%的新尺寸,同时将带保持在带的弹性极限以下 平滑物理缺陷,将带从第一端向第二端滑动到鼓上,直到基本上所有的带环绕滚筒的外表面,终止流动流体的流动,以使带收缩到外表面 的支撑鼓,将带加热到约玻璃化转变温度之间的处理温度 并且高于基底或成像层的玻璃化转变温度约10℃,处理温度高于这两个玻璃化转变温度,直到带松弛到刚性滚筒的外圆周上并且基本上没有任何 在带周向膨胀之前收缩到内部暴露表面的原始圆周的趋势,将带冷却到环境室温,并且将带从滚筒中移除,带具有与精确预定外部基本相同的新内周 刚性圆柱形支撑滚筒的周长。