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    • 6. 发明授权
    • Apparatus for providing a web of thermoplastic filaments
    • 用于提供热塑性丝网的设备
    • US06386260B1
    • 2002-05-14
    • US09301086
    • 1999-04-28
    • Richard FerenczJian WengBrian Yamanouchi
    • Richard FerenczJian WengBrian Yamanouchi
    • D04H300
    • D04H3/16D04H3/04
    • An apparatus for providing a uniform web of filaments comprises tube filament transport means exiting through a confined zone of reduced turbulence, which preferably comprises a delivery slot. The delivery slot is configured with sidewalls substantially parallel to one another and to the transport tubes, so that filaments undergo minimal machine direction deflection in the slot. Charging means within the slot charge the filaments for further cross direction separation. A method of providing a uniform web of filaments comprises transporting filaments through transport tubes, through a tapered transition member, and into a delivery slot. The delivery slot is defined by sidewalls that are substantially parallel to one another and to the transport tubes, so that minimal machine direction deflection of the filaments occurs. The filaments are also charged by electrostatic charging means while they are in the slot for further separation. The method and apparatus of the invention provide for a uniform filament web with high machine direction orientation.
    • 用于提供均匀纤维网的设备包括通过减少湍流的限制区域排出的管状细丝输送装置,其优选地包括输送槽。 输送槽配置有基本上彼此平行的侧壁和输送管,使得细丝在槽中经历最小的机器方向偏转。 槽内的充电装置为长丝进行进一步的横向分离。 提供均匀纤维网的方法包括通过输送管,通过锥形过渡构件输送细丝,并输送到输送槽中。 输送槽由基本上彼此平行的侧壁和输送管限定,从而发生细丝的最小机器方向偏转。 长丝在静电充电装置的同时也被插入槽中进一步分离。 本发明的方法和设备提供了具有高机器方向取向的均匀的丝网。
    • 8. 发明授权
    • Hydroentanglement of continuous polymer filaments
    • 连续聚合物长丝的水刺
    • US07406755B2
    • 2008-08-05
    • US11101817
    • 2005-04-07
    • Michael PutnamRichard FerenczMarlene StorzerJian Weng
    • Michael PutnamRichard FerenczMarlene StorzerJian Weng
    • D04H3/10
    • D04H3/11Y10S428/903Y10T428/249922Y10T442/2238Y10T442/227Y10T442/2484Y10T442/2525Y10T442/633Y10T442/659Y10T442/66Y10T442/663Y10T442/668Y10T442/671Y10T442/681Y10T442/689Y10T442/697
    • A nonwoven fabric comprises continuous polymer filaments of 0.5 to 3 denier that have been hydroentangled in a complex matrix for interconnecting filament loops, and that is otherwise substantially free of knotting, or of otherwise wrapping about one another. A process for making a nonwoven fabric comprises continuously extruding polymer filaments of 0.5 to 3 denier onto a moving support, pre-entangling the filaments with water jets, and entangling the filaments with a second set of water jets on a three-dimensional image transfer device. An apparatus for making a nonwoven fabric comprises means for continuously extruding substantially endless polymer filaments of 0.5 to 3 denier onto a moving support to form an unbonded web, a pre-entangling station for entangling the web with a plurality of water jets, and a plurality of water jets for final entanglement of the filament web on a three-dimensional image transfer device. In another aspect of the present invention, plural precursor webs, each comprising polymeric filaments, can be employed to form a laminated nonwoven fabric.
    • 非织造织物包含0.5至3旦尼尔的连续聚合物长丝,其已经被水解缠绕在用于互连丝线圈的复合基质中,并且否则基本上不会打结或彼此缠绕。 制造无纺布的方法包括将0.5至3旦尼尔的聚合物长丝连续挤出到移动的支撑件上,用水射流预缠绕长丝,并将第二组水射流缠绕在三维图像转印装置上 。 一种用于制造无纺织物的装置包括用于将0.5至3旦尼尔的基本上环状的聚合物长丝连续挤出到移动的支撑件上以形成未粘合的网的装置,用于与多个水射流缠绕网的预缠结站,以及多个 的水射流,用于三维图像转印装置上的丝网的最终缠结。 在本发明的另一方面,可以使用多个包含聚合物长丝的前体纤维网,以形成层压无纺织物。
    • 9. 发明授权
    • Positioning device for a two-way ratchet tool
    • 双向棘轮工具的定位装置
    • US07162937B1
    • 2007-01-16
    • US11458434
    • 2006-07-19
    • Heng-Jian Weng
    • Heng-Jian Weng
    • B25B13/46
    • B25B13/463
    • A positioning device for a two-way ratchet tool includes a switch assembly, a lid, a ratchet, a detent and a wrench body. The switch assembly comprises a switch and a stud to be inserted in a through slot of the lid. The stud is provided with an engaging block to link the detent. The ratchet comprises a through hole therein and gear teeth around its outer periphery. The detent is formed with gear teeth. The ratchet and the detent are accommodated in the wrench body. A first elastic element is provided in the wrench body to engage with the detent so that the gear teeth of the detent mesh with the gear teeth of the ratchet. A second elastic element is provided in the wrench body to engage with the switch of the switch assembly.
    • 用于双向棘轮工具的定位装置包括开关组件,盖子,棘轮,棘爪和扳手主体。 开关组件包括开关和插头以插入盖的通孔中。 螺柱设有一个接合块以连接制动器。 棘轮包括其中的通孔和围绕其外周的齿轮齿。 制动器形成齿轮齿。 棘轮和棘爪容纳在扳手主体中。 第一弹性元件设置在扳手主体中以与止动件接合,使得棘爪的齿轮齿与棘轮的齿轮齿啮合。 第二弹性元件设置在扳手主体中以与开关组件的开关接合。