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    • 2. 发明授权
    • Apparatus for inserting a weft into a shed by jetting fluids in a jet
loom
    • 用于通过在喷气织机中喷射流体将纬纱插入梭口的装置
    • US4458732A
    • 1984-07-10
    • US545584
    • 1983-10-25
    • Kazunori YoshidaSusumu KawabataFuzio SuzukiYoshikatsu Kisanuki
    • Kazunori YoshidaSusumu KawabataFuzio SuzukiYoshikatsu Kisanuki
    • D03D47/30D03D49/62
    • D03D47/302D03D47/278
    • An apparatus for inserting a weft into a shed by jetting fluids in a jet loom comprises a plurality of thin plate-like members arranged in alignment in the direction of weft insertion on a sley, each of the thin plate-like members being provided with an opening in the same position of each of said thin plate-like members to form a guiding channel, and nozzle means for jetting fluids through the guiding channel. Each of the thin plate-like members is provided with at least one cavity which is formed adjacent the circumference of each of the openings of the thin plate-like members on a downstream sidewall, in the direction of weft insertion, of the mutually facing sidewalls thereof. Due to the formation of the aforesaid cavity, the amount of the fluid flow escaping through the space between each two adjacent thin plate-like members outside of the guiding channel without narrowing the width of the space therebetween. As a result, the flight of the weft is remarkably stabilized and the flying speed of the weft is increased with reducing the consumption of fluids jetted from nozzle means.
    • 一种用于通过在喷气织机中喷射流体将纬纱插入梭口的装置包括沿着纬纱插入方向排列成排列成多个薄板状构件,每个薄板状构件设置有 在每个所述薄板状构件的相同位置处开口以形成引导通道,以及用于通过引导通道喷射流体的喷嘴装置。 每个薄板状构件设置有至少一个空腔,所述至少一个空腔在相互面对的侧壁的沿纬线插入方向的下游侧壁上邻近薄板状构件的每个开口的圆周形成 其中。 由于形成上述空腔,流体流量在引导通道外部通过两个相邻的薄板状构件之间的空间逸出,而不会缩小其间的空间宽度。 结果,纬纱的飞行非常稳定,纬纱的飞行速度随着喷嘴装置喷射的流体的消耗减少而增加。
    • 4. 发明授权
    • Weft insertion in jet loom
    • 纬纱插入喷气织机
    • US4921019A
    • 1990-05-01
    • US347434
    • 1989-05-02
    • Susumu KawabataKazunori YoshidaFujio Suzuki
    • Susumu KawabataKazunori YoshidaFujio Suzuki
    • D03D47/34D03D47/36
    • D03D47/36D03D47/34
    • A jet loom comprising a weft measuring roller for continuously drawing out a weft from a supply package, a weft storage unit for temporarily accumulating and storing the weft drawn out from the supply package by the weft measuring roller, a main nozzle for jetting air to insert the weft into the warp shed, and a driving unit for sinusoidally varying the rotating speed of the weft measuring roller. The weft stored in the weft storage unit runs in a free running period in a free running mode at a comparatively high running speed. After the stored weft has exhausted, the weft is supplied for insertion directly from the weft measuring roller, so that the weft runs in a constrained running mode at a running speed constrained by the surface speed of the weft measuring roller. When the running mode of the inserted weft changes from the free running mode to the constrained running mode, the driving unit drives the weft measuring roller so that the surface speed of the weft measuring roller is higher than a speed Vf defined by: Vf=Lo/tc, where Lo is the weft length of the loom and tc is a time necessary for one weaving cycle of the loom.
    • 一种喷射织机,包括用于从供应包中连续抽出纬纱的纬纱测量辊,用于临时累积并存储由纬纱测量辊从供应包中抽出的纬纱的纬纱存储单元,用于喷射空气以插入的主喷嘴 纬纱进入经纱梭口,以及用于正弦变化纬纱测量辊的转速的驱动单元。 存储在纬纱存储单元中的纬纱以比较高的运行速度在自由运行模式下运行。 在存储的纬纱已经耗尽之后,纬纱被提供用于从纬纱测量辊直接插入,使得纬纱以受限制的运行模式运行,速度受到纬纱测量辊的表面速度的限制。 当插入的纬纱的运行模式从自由运行模式改变到约束运行模式时,驱动单元驱动纬纱测量辊,使得纬纱测量辊的表面速度高于由以下定义的速度Vf:Vf = Lo / tc,其中Lo是织机的纬纱长度,tc是织机的一个织造周期所需的时间。
    • 5. 发明授权
    • Weft yarn storage unit for jet looms
    • 用于喷气织机的纬纱储存单元
    • US4516611A
    • 1985-05-14
    • US444062
    • 1982-11-23
    • Nobuharu MimuraKazunori YoshidaSusumu KawabataJunzo Hasegawa
    • Nobuharu MimuraKazunori YoshidaSusumu KawabataJunzo Hasegawa
    • B65H51/22D03D47/36
    • D03D47/361
    • A weft yarn storage unit disposed between a yarn supply package and a weft insertion device for storing a weft yarn to be inserted in the warp shed, comprises a differential yarn feeding device for feeding the weft yarn from the yarn supply package, and a yarn storage means for winding the fed weft yarn therearound by co-operating with the differential yarn feeding device, storing the wound weft yarn therearound and unwinding the stored weft yarn therefrom by co-operating with the weft insertion device, the yarn storage means being continuously rotating in a direction opposite to the direction in which the weft yarn is unwound at a predetermined circumferential speed in response to an insertion speed of the weft yarn. This weft yarn storage unit allows high-speed weft insertion while preventing the yarn breakage by reducing ballooning of the weft yarn when the weft yarn is released off the yarn storage drum.
    • 布置在纱线供给包装和纬纱插入装置之间的纬纱存放单元,用于储存插入经纱梭纱中的纬纱,包括用于从纱线供给包装喂送纬纱的纱线喂入装置, 用于通过与差速纱线供给装置协作来卷绕喂入的纬纱的装置,将绕过的纬纱存放在其周围,并通过与纬纱插入装置协作来解开存储的纬纱,纱线存储装置连续地旋转 与纬纱的插入速度相对应的方向与纬纱以规定的圆周速度退绕的方向相反。 该纬纱存放单元允许高速纬纱插入,同时当纬纱从纱线储存滚筒上释放时,通过减少纬纱的气胀来防止纱线断头。
    • 7. 发明授权
    • Method and apparatus for producing a fasciated yarn
    • 用于生产毡纱的方法和装置
    • US4621490A
    • 1986-11-11
    • US513845
    • 1983-07-14
    • Susumu KawabataHiroshi NiimiMeiji AnaharaHiroshi Omori
    • Susumu KawabataHiroshi NiimiMeiji AnaharaHiroshi Omori
    • D01H1/00D01H1/115D01H5/28D01H5/18D02G1/04D02G1/16
    • D01H1/115
    • A method and an apparatus for producing a fasciated yarn, utilizing an air nozzle for false-twisting a fiber bundle. The apparatus is provided with a fiber passage comprising an inlet portion, a small channel, and a large channel, and is provided also with a contact area on an inner wall of the small channel, this contact area being formed by the intersection at an angle of the small channel and the large channel.During the spinning operation, the fiber bundle is forced against the contact area, effectively suppressing a twist imparted by a vortex such that it does not ascend toward the upstream region.Also, since ballooning can be suppressed by the contact area, the size of the small channel can be increased, resulting in the intake by suction of a sufficient amount of air in the inlet portion.
    • 一种利用空气喷嘴进行假捻加捻的纤维束的制造方法和装置。 该装置设置有纤维通道,该通道包括入口部分,小通道和大通道,并且还在小通道的内壁上设置有接触区域,该接触区域以相交角成角度 的小通道和大通道。 在纺丝操作期间,纤维束被迫靠在接触区域上,有效地抑制由涡流施加的扭转,使其不向上游区域上升。 此外,由于可以通过接触面积来抑制膨胀,所以可以增大小通道的尺寸,从而通过吸入入口部分中的足够量的空气来吸入。