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    • 7. 发明授权
    • Web spreading apparatus
    • 网络传播装置
    • US5729878A
    • 1998-03-24
    • US809968
    • 1997-03-31
    • Kazuhiko KuriharaHiroshi YazawaYuki KuroiwaShuichi Murakami
    • Kazuhiko KuriharaHiroshi YazawaYuki KuroiwaShuichi Murakami
    • B65H23/025D06C3/06
    • B65H23/0258
    • A web spreading apparatus for transversely spreading a web, such as a split web formed of a longitudinally uniaxially stretched film, includes a spreading means arranged in a travelling path of the web for transversely spreading the web. The spreading means comprises a curved rod-like member and projections arranged generally circumferentially about an axis of the curved rod-like member. The curved rod-like member is arranged so that the concave side is directed forward and the convex side is directed rearward, in the web travelling direction, and the projections are rotatable about the axis of the curved rod-like member at a speed higher than the travelling speed of the web. In one aspect, the curved rod-like member comprises a curved shaft and an outer tube arranged about the curved shaft and rotatable relative to the curved shaft, the projections being formed between the grooves cut on the outer tube. In another aspect, the projections are formed of a spring arranged about the curved rod-like member.
    • PCT No.PCT / JP96 / 02230 Sec。 371日期1997年3月31日 102(e)1997年3月31日PCT PCT 1996年8月7日PCT公布。 公开号WO97 / 06086 日本1997年2月20日用于横向铺展由纵向单向拉伸膜形成的分割幅材的幅材的幅材铺展装置包括布置在卷筒纸的行进路径中的铺展装置,用于横向铺展幅材。 扩展装置包括弯曲的杆状构件和大致围绕弯曲的杆状构件的轴线周向布置的突起。 弯曲的杆状构件被布置成使得凹面朝向前方,并且凸起侧沿纸幅行进方向指向后方,并且突起可以以弯曲的杆状构件的轴线的速度高于 网路的行驶速度。 在一个方面,弯曲杆状构件包括弯曲轴和围绕弯曲轴布置并可相对于弯曲轴可旋转的外管,突起形成在切割在外管上的槽之间。 在另一方面,突起由围绕弯曲的杆状构件布置的弹簧形成。
    • 8. 发明授权
    • Heating apparatus for a transversely stretched nonwoven fabric
    • 横向拉伸无纺布加热装置
    • US06637128B2
    • 2003-10-28
    • US10309970
    • 2002-12-04
    • Yuki KuroiwaYoshiro MorinoKazuhiko KuriharaShuichi Murakami
    • Yuki KuroiwaYoshiro MorinoKazuhiko KuriharaShuichi Murakami
    • F26B1306
    • B29C55/08D06C3/00D06C7/00Y10T442/60Y10T442/601Y10T442/614
    • A transversely stretched nonwoven fabric is manufactured by transversely stretching a nonwoven fabric. First, an original web comprising a plurality of un-oriented filaments is heated to a temperature higher than its stretch suitable temperature by 5° C. or more. Next, the heated original web is stretched at a rate of 1.2 to 3 in its transverse direction to stretch the filaments of the original web with almost no molecular orientation involved. Then, the original web stretched transversely at a rate of 1.2 to 3 is heated to the stretch suitable temperature and the original web is further stretched transversely at the stretch suitable temperature. With these steps, a transversely stretched nonwoven fabric in which the original web is stretched transversely at a rate of 7 times or more in total as compared with the state of the stretch thereof is manufactured with a high tensile strength of 132.5 mN/tex (1.5 g/d) in the transverse direction.
    • 通过横向拉伸无纺布制造横向拉伸的无纺布。 首先,将包含多个未取向长丝的原始纤维网加热至比其拉伸合适温度高5℃或更高的温度。 接下来,加热的原料纤维网在其横向上以1.2-3的速率拉伸,几乎不涉及分子取向,从而拉伸原料纤维网的长丝。 然后,将以1.2-3的速率横向拉伸的原始纤维网加热至拉伸适宜温度,并且在拉伸适当温度下将原纤维网进一步横向拉伸。 通过这些步骤,制造横向拉伸的无纺布,其中原始纤维网与其拉伸状态相比以总共7倍或更多的速率横向拉伸,以高的拉伸强度为132.5mN / tex(1.5 g / d)。