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    • 35. 发明授权
    • Suction control arrangement for an open-end friction spinning machine
    • 开式摩擦纺纱机的吸气控制装置
    • US4592198A
    • 1986-06-03
    • US779101
    • 1985-09-23
    • Fritz Stahlecker
    • Fritz Stahlecker
    • D01H4/46D01H4/16D01H7/882D01H7/885D01H11/00
    • D01H4/16
    • An open end friction spinning machine is provided which exhibits a plurality of adjacently arranged spinning units, each spinning unit including two adjacently arranged rollers forming a wedge-shaped gap. Yarn formation takes place inside the wedge-shaped gap with the assistance of a friction effect of the rollers. This friction effect is dependent on the one hand on the outer surface structure of the rollers and on the other hand on the strength of the suction effect of a suction device creating a suction air stream in the wedge-shaped gap. It is provided that the outer surface structure of the rollers is examined so that a portion of the friction effect dependent upon the outer surface of the rollers can be determined. In order to maintain the entire friction effect in a predetermined range, the suction effect of the suction device can be adjusted corresponding to the measured value of the friction effect due to the outer surface of the rollers.
    • 提供一种开放式摩擦纺丝机,其显示多个相邻布置的纺纱单元,每个纺纱单元包括形成楔形间隙的两个相邻布置的辊。 借助于辊的摩擦效应,在楔形间隙内形成纱线。 这种摩擦效果一方面取决于辊的外表面结构,另一方面取决于在楔形间隙中产生吸入空气流的抽吸装置的吸力效应的强度。 检查辊的外表面结构是否可以确定取决于辊的外表面的摩擦效应的一部分。 为了将整个摩擦效果保持在预定范围内,可以相应于由辊的外表面产生的摩擦效应的测量值来调节抽吸装置的抽吸效果。
    • 36. 发明授权
    • Yarn piecing arrangement for an open-end friction spinning machine
    • 开口摩擦纺纱机的纱线接头装置
    • US4559774A
    • 1985-12-24
    • US611087
    • 1984-05-17
    • Fritz Stahlecker
    • Fritz Stahlecker
    • D01H4/46D01H4/52D01H15/02
    • D01H4/52
    • A yarn piecing arrangement is disclosed for an open end friction spinning machine of the type having two friction rollers rotatably drivable in the same direction and disposed adjacent one another to form a yarn forming wedge-shaped gap therebetween, fiber supplying means for supplying individual fibers to the wedge-shaped gap, yarn withdrawal means for withdrawing spun yarn in the direction of the wedge-shaped gap, and suction device means for applying suction forces to hold the spinning yarn in the wedge-shaped gap. In order to facilitate fine control of the yarn piecing process, the friction rollers are stopped before the spun yarn end section is returned to the wedge-shaped gap. Once the yarn end section is positioned at the wedge-shaped gap, the rollers are restarted and yarn piecing is carried out.
    • 公开了一种用于开式摩擦纺丝机的开口式摩擦纺丝机,其具有两个摩擦辊,该摩擦辊可以在相同方向上可转动地驱动并彼此相邻地设置,以形成在其间形成楔形间隙的纱线;纤维供给装置, 所述楔形间隙,用于沿所述楔形间隙的方向抽出细纱的纱线抽出装置,以及用于施加吸力以将所述纺丝保持在所述楔形间隙中的抽吸装置装置。 为了便于接头处理的精细控制,在纺纱端部返回到楔形间隙之前,摩擦辊停止。 一旦纱线端部位于楔形间隙处,则重新启动辊子并执行纱线接头。