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    • 31. 发明授权
    • Antifouling structure having effect of preventing attachment of aquatic organisms thereto
    • 具有防止水生生物附着的防污结构
    • US06303078B1
    • 2001-10-16
    • US09389049
    • 1999-09-02
    • Takao ShimizuMasahiko NanjyoShingo Nakanishi
    • Takao ShimizuMasahiko NanjyoShingo Nakanishi
    • C23F1100
    • D06M16/00Y10T428/1331
    • A structure comprises, as the major component, a molded member of a thermoplastic resin composition or a fibrous material which may be a fiber of the thermoplastic resin composition, a yarn coated with the thermoplastic resin composition, a rope coated with the thermoplastic resin composition or a woven fabric coated with the thermoplastic resin composition. The thermoplastic resin composition contains an antifouling compound represented by the following formula (1): wherein Y represents hydrogen atom, an alkyl group, an alkenyl group or an aralkyl group, R represents hydrogen atom, a halogen atom or an alkyl group, R′ represents hydrogen atom, a halogen atom or an alkyl group and R and R′ may be bonded to each other to form a benzene ring. The leaching amount of the antifouling compound into an artificial sea water is controlled to 30 mg/cm3 or less at 25° C. and 3 mg/cm3 or more at 15° C. per a unit volume of the thermoplastic resin composition when integrated during initial 10 days after immersing the structure into the artificial sea water, thereby preventing the attachment of aquatic organisms for a long time. Also, the structure may be made water-permeable to have a water permeability of 1 cm3/cm2·sec or more under a pressure of 18 cm water, thereby broaden the application field thereof.
    • 作为主要成分的结构体包含作为热塑性树脂组合物的纤维的热塑性树脂组合物或纤维材料的成型体,涂覆有热塑性树脂组合物的纱线,涂覆有热塑性树脂组合物的绳索或 涂有热塑性树脂组合物的机织织物。 热塑性树脂组合物含有由下式(1)表示的防污化合物:其中Y表示氢原子,烷基,烯基或芳烷基,R表示氢原子,卤素原子或烷基,R' 表示氢原子,卤素原子或烷基,R和R'可以相互键合形成苯环。 将防污化合物浸入人造海水中的浸出量在25℃下控制为30mg / cm 3以下,在15℃下,每单位体积的热塑性树脂组合物为3mg / cm 3以上 将结构浸入人造海水中的最初10天,从而长期防止水生生物的附着。 此外,该结构可以在18cm水的压力下使透水性达到1cm 3 / cm 2·sec以上的透水性,从而拓宽了其应用领域。
    • 37. 发明授权
    • Magnetic position marker
    • 磁性位置标记
    • US5306552A
    • 1994-04-26
    • US889841
    • 1992-05-27
    • Takao Shimizu
    • Takao Shimizu
    • D04H18/00D06H1/00D06H3/10D21F1/36D21F7/08G01B7/00G01B7/04B32B7/00
    • D21F1/365D21F7/083Y10S428/90Y10T442/3488Y10T442/3732Y10T442/59
    • A magnetic marker, comprising a first fabric base sheet, a plurality of magnetized fibers attached to a surface of the first fabric base sheet by bonding means, and a second fabric base sheet secured to the surface of the first fabric base sheet so as to interpose the magnetized fibers between the first and second fabric base sheets. The magnetic marker using magnetized fibers can withstand repeated piercing which is encountered in the application for detecting the position of the ground fabric during the process of needling for the production of felt. The magnetized fibers are firmly secured between the two fabric base sheets, optionally reinforced by a multiplicity of perpendicularly arranged yarn, that the magnetized fibers can retain the capability to generate magnetic flux even after repeated use.
    • 一种磁性标记,包括第一织物基片,通过粘合装置附着到第一织物基片的表面的多个磁化纤维,以及固定到第一织物基片表面的第二织物基片,以便插入 在第一和第二织物基片之间的磁化纤维。 使用磁化纤维的磁性标记可以承受在用于检测毛毯生产过程中的底布的位置的应用中遇到的反复穿孔。 磁化纤维牢固地固定在两个织物基片之间,任选地通过多个垂直布置的纱线加强,使得即使在重复使用之后,磁化纤维也可以保持产生磁通量的能力。