Acceleration arrangement for airlay textile web formers
    3.
    发明授权
    Acceleration arrangement for airlay textile web formers 失效
    航空纺织网的加速安排

    公开(公告)号:US5564630A

    公开(公告)日:1996-10-15

    申请号:US259722

    申请日:1994-06-14

    CPC classification number: D04H1/732

    Abstract: This invention relates to an improved air acceleration nozzle for use in airlay web formers which reduce the creation of large scale vortices and turbulence. The nozzle accelerates the air by reducing the cross sectional area of the conduit. The size of the conduit for the air is reduced in both lateral dimensions, and more preferably, both dimensions are reduced with smoothly curving, low angle peripheral walls.

    Abstract translation: 本发明涉及一种改进的空气加速喷嘴,用于减少大尺度涡流和湍流的产生的气流成型机。 喷嘴通过减小管道的横截面积来加速空气。 用于空气的管道的尺寸在两个侧向尺寸上都减小,更优选地,两个尺寸都以平滑的弯曲,低角度的周边壁减小。

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