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    • 9. 发明申请
    • METHOD AND DEVICE FOR PRODUCING TWISTED FLEXIBLE HOSES
    • 方法和设备制造弯管
    • WO98040201A1
    • 1998-09-17
    • PCT/EP1998/001200
    • 1998-03-04
    • B29C61/02B29C67/00A22C13/00
    • B29C67/0014B29C61/025B29L2023/002
    • The invention relates to a device for deforming flexible tubes or sleeves which are used in the packaging of foodstuffs. The inventive device comprises a first pair of squeezing rollers (2, 3) designed to squeeze a flat, straight flexible hose (12). Compressed air is blown into the open end of said hose in the direction of conveyance so as to inflate the hose in the shape of a cylinder. The device also contains a first roller window (5) to hold and guide the inflated hose (12), as well as a deformation unit (10) with a heating element (13), wherein the flexible hose is twisted inside the deformation unit 912) as it moves forward. Also included is a second roller window (6) and a second pair of squeezing rollers (8, 9). The S-shaped or helicoidal flexible hose (13) passes through the gap between the squeezing rollers (8, 9) once it has left the deformation unit and is then pressed flat. The inventive device further comprises a winding roller (11) for the flexible hose. The heating element (16) is fitted with an inner peripheral heating and contact stamp (33). Sections of the flexible hose come into contact therewith, are heated and partially contract in the contact areas so that the flexible hose can acquire an S-shape or spiral form.
    • 用于成形软管或套筒,其用于包装食品产品的方法,包括一第一对挤压的装置(2,3),用于在所述软管的通道方向挤扁直管(12),在其自由端部,将压缩空气在向管吹 圆柱形充气,第一辊子屏幕(5),用于与一加热元件(16),其中,在所述变形单元的软管(10)被它的向前运动过程中转动时,第二辊窗口保持和引导所述膨胀管(12),一成形单元(10) (6),第二对挤压的(8,9),经过的离开成形单元10个S或螺旋形弯曲软管(13)之后的间隙和变平,并且卷带盘(11),用于所述软管(13)。 所述加热元件(16)装备有加热器加热,并用其在接触在其圆周上传递管中的部分接触柱塞(33)的内部循环,加热并在接触点处部分地收缩,使得软管一个S 接受或螺旋形状。