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    • 6. 发明授权
    • Device for generating mechanical vibration
    • 用于产生机械振动的装置
    • US06717379B1
    • 2004-04-06
    • US09936873
    • 2001-09-18
    • Ulf Bertil Andersson
    • Ulf Bertil Andersson
    • E01C1938
    • B06B1/166B06B1/161E01C19/286E01C19/38E02D3/074
    • The invention concerns a device where creation of mechanical vibration is made with a system (1) of two or more rotating eccentrics (10). Each eccentric (10) is rotated by an individually controlled motor (11) and the angle position of each eccentric (10) is read by an angle sensor (12). With a control and monitoring system (5), the rotation frequency, direction of rotation and phase position of each eccentric (10) can be controlled. By choosing a number of eccentrics, mass of the eccentrics, rotation frequency, direction of rotation and phase position, a force vector diagram of suitable form, in space and time, can be generated. The invention is intended primarily for use in appliances for dynamic compaction of various materials.
    • 本发明涉及一种利用两个或更多个旋转偏心轮(10)的系统(1)制造机械振动的装置。 每个偏心轮(10)由单独控制的马达(11)旋转,并且每个偏心轮(10)的角度位置由角度传感器(12)读取。 通过控制和监控系统(5),可以控制每个偏心轮(10)的旋转频率,旋转方向和相位位置。 通过选择多个偏心体,可以产生质心的偏心,旋转频率,旋转方向和相位,可以产生适当形式的空间和时间的力矢量图。 本发明主要用于各种材料的动态压实用具。
    • 7. 发明授权
    • Protective cover, particularly an antimacassar
    • 防护罩,特别是抗菌素
    • US4069781A
    • 1978-01-24
    • US657170
    • 1976-02-11
    • Karl Gosta Bertil Andersson
    • Karl Gosta Bertil Andersson
    • A47C7/62A47C31/11D05B93/00
    • A47C7/386
    • The invention relates to a protective cover of fibre material such as non-woven material, intended to be applied as a cover on a substructure such as those intended for sitting or lying, for example as an antimacassar for seats, there being at least one row of stitching running across the cover and made as double chain stitching with such thread structures that it forms an attachment for the hooks of a burr strip attached to the substructure. The upper thread of the double chain stitching consists of a relatively highly elastic thread of multifilament type having crimped filaments, the upper thread forming consecutive loops on the lower side of the cover in a known way, while the lower thread of the double chain stitching consists of a cotton or cotton-synthetic thread which is relatively unelastic in relation to the upper thread. Further, the tension in the upper thread is less than the tension in the lower thread so that the upper thread assumes its fluffy and voluminous condition to thereby form an easily entanglable fastening for the hooks of the burr strip.
    • 本发明涉及一种纤维材料(例如无纺布材料)的保护罩,其旨在作为覆盖物应用于诸如用于坐或躺的基础结构,例如用作座椅的抗土壤,其中至少有一排 的缝合线穿过盖子并且用这种螺纹结构的双链缝合制成,以形成用于附接到子结构的毛刺条的钩的附件。 双链缝合的面线由具有卷曲细丝的相当高弹性的复丝线组成,上层螺纹以已知的方式在盖的下侧形成连续的环,而双链缝合的底线由 的棉或棉合成线相对于面线相对不弹性。 此外,面线中的张力小于下线中的张力,使得面线呈现蓬松且体积大的状态,从而形成用于毛刺带的钩的容易缠结的紧固件。