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    • 6. 发明授权
    • Device for the electronic generation of an electrostatic charge pattern
    • 用于电子产生静电荷图案的装置
    • US4156165A
    • 1979-05-22
    • US856529
    • 1977-12-01
    • Dieter Fischer
    • Dieter Fischer
    • G03G15/05G03G15/32H04N1/29H05B37/00H05B39/00H05B41/00
    • G03G15/321H04N1/29
    • A device is disclosed which selectively generates an electrostatic charge pattern directly on a portion of a surface for use in facsimile process machines or high-speed printers. A matrix is formed by two sets of electrodes, one perpendicular to the other, separated by a perforated metallic spacer having an electret film on each side between it and the electrodes. One set of electrodes is perforated corresponding to the perforations in the spacer. Separate control devices control the application of an electrical voltage to the sets of electrodes enabling an electrostatic charge to be generated directly on a surface covering the perforated electrode. Charged toner particles may be applied to the surface by known techniques to effectuate the printing or reproduction of an image.
    • 公开了一种设备,其选择性地在表面的一部分上直接产生静电荷图案,以用于传真机或高速打印机。 矩阵由两组电极形成,一组垂直于另一组电极,由穿孔金属间隔物隔开,每个电极之间的每一侧都有驻极体膜。 对应于间隔件中的穿孔的一组电极穿孔。 单独的控制装置控制电压施加到电极组,使得能够在覆盖有孔电极的表面上直接产生静电荷。 带电的调色剂颗粒可以通过已知的技术施加到表面上,以实现图像的印刷或再现。
    • 9. 发明授权
    • Biodegradable plastic materials, method of producing them, and their use
    • 生物降解塑料材料,生产方法及其用途
    • US5376708A
    • 1994-12-27
    • US906878
    • 1992-07-02
    • Bernd BestKlaus WollmannAlexander Ach
    • Bernd BestKlaus WollmannAlexander Ach
    • C08K5/10C08L1/12C08L67/00C08L77/00C08L1/10C08K5/00C08L1/14C08L1/20
    • C08K5/10C08L1/12C08L67/00C08L77/00
    • A biodegradable plastic material based on cellulose esters and possibly biodegradable carboxylic acid esters, glycol esters or glycol ethers as softener, composed of from about 50 to about 90 weight percent cellulose ester, from about 5 to about 40 weight percent softener, from about 5 to about 30 weight percent polyester and from about 0.5 to about 5 weight percent AQ-nylon. The biodegradable plastic material may also contain organic acids and/or acid esters and/or ethers different from the softener, and other additives, such as flame inhibitors, and is distinguished by excellent biodegradability, injection molding and blow molding characteristics. Also disclosed are articles made of the material of the invention and methods of making such articles. It is preferably molded into thin sheets and transparent plastic articles, preferably into enclosures/containers for oil lamps, eternal flame oil candles, composition lights, other cemetery light designs, votive lights and thin sheets.
    • 一种基于纤维素酯和可能可生物降解的羧酸酯,二醇酯或二醇醚作为软化剂的可生物降解的塑料材料,由约50至约90重量%的纤维素酯,约5至约40重量%的软化剂,约5至 约30重量%的聚酯和约0.5至约5重量%的AQ-尼龙。 可生物降解的塑料材料还可以含有与软化剂不同的有机酸和/或酸酯和/或醚,以及其它添加剂,例如阻燃剂,并且具有优异的生物降解性,注射成型和吹塑特性。 还公开了由本发明的材料制成的制品和制造这种制品的方法。 它优选地被模制成薄片和透明塑料制品,优选地成型为用于油灯的外壳/容器,永恒的火焰蜡烛,组合物灯,其他墓地灯设计,投射灯和薄片。