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    Bag for packing powder, method of producing the same and method of producing film having holes constituting the bag
    1.
    发明授权
    Bag for packing powder, method of producing the same and method of producing film having holes constituting the bag 失效
    用于包装粉的袋，其制造方法和制造具有构成袋的孔的膜的方法

    公开(公告)号：US06375603B1

    公开(公告)日：2002-04-23

    申请号：US09545680

    申请日：2000-04-07

    申请人： Haruo Yuasa ,  Isao Hata ,  Motoyuki Esaki ,  Hiroshi Suizu ,  Tatsuo Yamazaki

    发明人： Haruo Yuasa ,  Isao Hata ,  Motoyuki Esaki ,  Hiroshi Suizu ,  Tatsuo Yamazaki

    IPC分类号： B31B180

    CPC分类号： B26F1/26 ,  B65B47/10 ,  B65D33/00

    摘要： A bag for packing powder, permeable for gases and comprising a plurality of inwards protrudent hole-forming portions. Preferably, the bag comprises a film having holes (B) of predetermined thickness (d) furnished with protrudent hole-forming portions of predetermined height (h), the height (h) of the protrudent hole-forming portions being in the range of 2 to 200, still preferably 5 to 100, times the thickness (d) of the film having holes (B). By virtue of this structure, the soaring of powder at the time of powder filling can be prevented to thereby facilitate the filling operation. Furthermore, not only is the sticking of powder to seal portion reduced at the time of sealing the mouth of the bag to thereby ensure obtaining satisfactory seal strength but also the environmental pollution by the soaring of powder can be avoided.

    摘要翻译： 一种用于包装粉末的袋，其可渗透气体并且包括多个向内突出的孔形成部分。 优选地，袋包括具有预定厚度（d）的孔（B）的膜，其具有预定高度（h）的突出孔形成部分，突出孔形成部分的高度（h）在2 至200，更优选为5〜100倍，具有孔（B）的膜的厚度（d）。 由于这种结构，可以防止粉末填充时粉末的飞涨，从而便于填充操作。 此外，不仅在密封袋的口部时，密封部分的粉末粘附减少，从而确保获得令人满意的密封强度，而且可以避免粉末飙升引起的环境污染。

    Device for manufacturing a filter
    2.
    发明授权
    Device for manufacturing a filter 失效
    用于制造过滤器的装置

    公开(公告)号：US5376218A

    公开(公告)日：1994-12-27

    申请号：US198376

    申请日：1994-02-18

    申请人： Masayuki Mito ,  Haruo Yuasa ,  Masayoshi Iidera

    发明人： Masayuki Mito ,  Haruo Yuasa ,  Masayoshi Iidera

    IPC分类号： B01D39/00 ,  B01D39/14 ,  B01D46/00 ,  B01D46/10 ,  B01D46/52 ,  B29C65/18 ,  B31D5/00 ,  B32B31/16

    CPC分类号： B01D46/521 ,  B01D46/0001 ,  B01D46/0032 ,  B01D46/10 ,  B01D46/52 ,  B01D46/523 ,  B29C53/285 ,  B29C65/18 ,  B29C66/43 ,  B29C66/438 ,  B29C66/83513 ,  B31D5/0082 ,  B01D2273/18 ,  B01D2275/10 ,  B29C53/36 ,  B29L2016/00 ,  B29L2031/14 ,  Y10T156/1015 ,  Y10T156/1049

    摘要： A filter comprising a composite sheet bent like a pleat and composed of a laminate of at least two monolayer sheets, in which the bent portions are fusion-welded, is provided in order to improve filtering properties while carrying out the composing and pleating processes in one process. A device for manufacturing the filter is also provided. The device comprises, for example: a pair of star-shaped gear type ribbed rolls engaged with each other for heating the composite sheet to temperatures suitable to fusion-weld the same at the front end of the gear while bending the composite sheet like a pleat having a bent width corresponding to the depth or height of the gear; star-shaped gear type bending roll for further bending the heated composite sheet like a pleat; and a pair of heating plates positioned opposed each other at a distance corresponding to the bent width of the pleat. In this device, the composite sheet is selectively and linearly heated and fusion-welded at the bent portions in contact with the front end of the gear while being bent, and it is further bent by the bending roll and then passed through between the heating plates where the composite sheet is heated and fusion-welded at the bent portions from the outer side thereof.

    摘要翻译： 提供了一种过滤器，其包括弯曲为褶皱并由至少两个单层片材的层压体组成的复合片材，其中弯曲部分被熔焊，以便在一次进行组合和打褶工艺的同时提高过滤性能 处理。 还提供了用于制造过滤器的装置。 该装置例如包括：一对彼此啮合的星形齿轮型罗纹辊，用于将复合片材加热到适合于在齿轮前端熔融焊接的温度，同时弯曲复合片材，如褶皱 具有对应于齿轮的深度或高度的弯曲宽度; 星形齿轮型弯曲辊，用于进一步弯曲加热的复合片材，如褶裥; 以及一对加热板，其相对于褶皱的弯曲宽度相对定位。 在该装置中，复合片材被弯曲地选择性地并线性地加热并熔接在与齿轮的前端接触的弯曲部分处，并且被弯曲辊进一步弯曲，然后通过加热板 其中复合片材在其外侧处在弯曲部分被加热熔融焊接。