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    • 1. 发明申请
    • DISTENSIBLE PET BALLOON AND METHOD OF MANUFACTURE
    • 耐火PET球和制造方法
    • WO1997003716A1
    • 1997-02-06
    • PCT/US1996011291
    • 1996-07-03
    • NAVIUS CORPORATION
    • NAVIUS CORPORATIONROUCHER, Leo, R., Jr.
    • A61M25/10
    • A61M25/1029A61M25/10B29C49/0042B29C49/08B29C49/18B29C2049/0089B29K2067/00B29K2105/258Y10S264/905
    • A semi-compliant PET balloon and a method for manufacturing the balloon are disclosed. The method for manufacturing the semi-coupliant PET balloon includes the steps of varying the temperature and inflation pressure on a tube of PET material in an ordered sequnce to i) form the balloon, ii) thin the walls of the balloon, iii) size the balloon and then, iv) crystallize the PET material of the balloon. First, to form the balloon, the tube of PET material si preheated, and simultaneously pressurized and stretched. The pressure in the tube is then increased to conform the balloon to the shape of a mold. Next the balloon walls are thined by decreasing pressure and providing additional stretch on the PET tube. A subsequent increase in pressure sizes the balloon. The sized balloon is next subjected to an increase in temperature and a decrease in pressure to crystallize the PET material. A cooling step completes the method for manufacture.
    • 公开了一种半顺应性PET球囊及其制造方法。 制造半同型PET球囊的方法包括以下步骤:以有序的顺序改变PET材料管上的温度和充气压力,以便i)形成气球,ii)使气球的壁变细,iii) 气球,然后iv)使气囊的PET材料结晶。 首先,为了形成气球,将PET材料管预热,同时加压拉伸。 然后增加管中的压力以使气囊符合模具的形状。 接下来,球囊壁通过降低压力并在PET管上提供额外的拉伸来进行。 随后压力的增加使气球尺寸增大。 接着,将尺寸的气囊经受温度升高和压力降低以使PET材料结晶。 冷却步骤完成了制造方法。