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    • 8. 发明授权
    • Emergency operation ring for tubeless tires in motor vehicles
    • 汽车无内胎轮胎的紧急操作环
    • US4592403A
    • 1986-06-03
    • US645098
    • 1984-08-28
    • Hermann SteinUlrich Piepenbrink
    • Hermann SteinUlrich Piepenbrink
    • B60C17/06B60C17/10
    • B60C17/06B60C17/10B60C2017/068
    • An emergency operation ring for tubeless pneumatic tires on motor vehicles made of an elastomeric material and mounted on a rim by means of axial clamping pressure. Two support sections extend diagonally upwards and outwards from the base section and define a circumferential channel. The support sections have step shaped outer flanks set back with respect to the base section. At least one circumferential groove is provided contiguous the circumferential channel, and slipping agent is positioned in the groove or grooves. Sealing lips close off the groove and slipping agent when the tire is intact. The wheel load working on the support sections at the beginning of an emergency operation brings the sealing lips into an open position, whereby the slipping agent is released and lubricates the surfaces of the pneumatic tire and the emergency operation ring in contact with each other.
    • 机动车辆上的无内胎充气轮胎的紧急操作环,由弹性体材料制成并通过轴向夹紧压力安装在轮辋上。 两个支撑部分从基部向对角地向上和向外延伸并且限定圆周通道。 支撑部分具有相对于基部部分设置的阶梯形外侧面。 至少一个圆周槽邻近圆周通道设置,滑动剂定位在槽或凹槽中。 当轮胎完好无损时,密封嘴唇会关闭凹槽和滑动剂。 在紧急操作开始时在支撑部分上工作的车轮负载使得密封唇处于打开位置,由此滑动剂被释放并润滑充气轮胎和紧急操作环的表面彼此接触。
    • 9. 发明授权
    • Process for preparing a finely divided pulverous carotenoid retinoid or natural colourant preparation
    • 制备细碎的类胡萝卜素类维生素A或天然着色剂制剂的方法
    • US06406735B2
    • 2002-06-18
    • US09255010
    • 1999-02-22
    • Hermann SteinKlaus ViardotBin Yang
    • Hermann SteinKlaus ViardotBin Yang
    • A23L127
    • C07C403/24A23L5/44
    • A process for the preparation of a pulverous preparation having a finely divided carotenoid, retinoid or natural colorant is provided, which process comprises the steps of: a) forming a suspension of the active ingredient in a water-immiscible organic solvent optionally containing an antioxidant and/or an oil; b) feeding the suspension of step a) to a heat exchanger; c) heating the suspension to 100-250° C., whereby the residence time in the heat exchanger is less than 5 sec to provide a solution; d) rapidly mixing the solution of step c) with an aqueous solution of a swellable colloid and optionally a stabilizer such that the resulting mixture is at a temperature in the range of 20-100° C.; e) removing the organic solvent; and f) converting the dispersion of step e) into a pulverous preparation; where steps b) to f) are carried out continuously and in sequence.
    • 提供了一种制备具有细碎的类胡萝卜素,类视色素或天然色素的粉末制剂的方法,该方法包括以下步骤:a)将活性成分在任选含有抗氧化剂的水不混溶性有机溶剂中形成悬浮液, /或油; b)将步骤a)的悬浮液进料到热交换器; c)将悬浮液加热至100-250℃,由此在热交换器中的停留时间小于5秒以提供溶液; d)将步骤c)的溶液与可溶胀胶体和任选的稳定剂的水溶液快速混合,使得所得混合物的温度在20-100℃的范围内; e)除去有机溶剂; 和f)将步骤e)的分散体转化成粉末制剂;其中步骤b)至f)连续且顺序地进行。