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    Roll screen
    2.
    发明授权
    Roll screen 有权
    滚屏

    公开(公告)号：US06378594B1

    公开(公告)日：2002-04-30

    申请号：US09199461

    申请日：1998-11-25

    申请人： Hiroomi Yamanaka ,  Ken-ichiro Egami ,  Masayuki Akimoto

    发明人： Hiroomi Yamanaka ,  Ken-ichiro Egami ,  Masayuki Akimoto

    IPC分类号： A47G502

    CPC分类号： G03B21/58 ,  E06B9/80 ,  E06B2009/808

    摘要： A roll screen comprises side plates, a winding pipe rotatably supported on the side plates, a spring mounted in the winding pipe, a screen to be wound on the winding pipe by the accumulated force of the spring, and a brake mounted in the winding pipe for decreasing a winding speed of the screen from a final stage of the winding of the screen. The clutch case is engaged with the brake from a final stage of the winding of the screen, and the brake is operated so that the winding speed of the screen can be decreased.

    摘要翻译： 辊式屏幕包括侧板，可旋转地支撑在侧板上的卷绕管，安装在卷绕管中的弹簧，通过弹簧的累积力缠绕在卷绕管上的筛网，以及安装在卷绕管中的制动器 用于从屏幕的卷绕的最后阶段降低屏幕的卷绕速度。 离合器壳体从丝网卷绕的最后阶段与制动器接合，并且操作制动器，使得可以减小屏幕的卷绕速度。

    Parison thickness control method
    4.
    发明授权
    Parison thickness control method 失效
    PARISON厚度控制方法

    公开(公告)号：US5198161A

    公开(公告)日：1993-03-30

    申请号：US664823

    申请日：1991-03-05

    申请人： Masashi Ogura ,  Yutaka Saito ,  Masayuki Akimoto ,  Minoru Oizumi

    发明人： Masashi Ogura ,  Yutaka Saito ,  Masayuki Akimoto ,  Minoru Oizumi

    IPC分类号： B29C47/92 ,  B29C49/04

    CPC分类号： B29C47/92 ,  B29C2947/92076 ,  B29C2947/92409 ,  B29C2947/92647 ,  B29C2947/92904 ,  B29C47/0023 ,  B29C49/04

    摘要： A parison thickness control system includes an extruder die and a mandrel which are movable relative to each other to change wall thickness of a parison extruded between the extruder die and the mandrel during an extrusion or forming cycle of the parison. A parison control pattern is derived by manually inputting master points each defined in terms of a target parison wall thickness and an elapsed time during the parison extrusion cycle. A further parison control pattern is derived by performing the spline interpolation to interpolate between the master points. A still further parison control pattern is derived by correcting the above-noted further parison control pattern to allow the maximum or minimum value of the master points to indicate a limit value for the target parison wall thickness during the parison extrusion cycle. The parison extrusion cycle is divided into a given number of equal time intervals to define cycle points. The target parison wall thickness is derived for each cycle point based on the above-noted still further parison control pattern. The relative movement between the extruder die and the mandrel is controlled based on the derived target parison wall thickness for each cycle point. At least one of the cycle points may be used for triggering operation of an associated device.

    Parison length control method for blow molding machine
    5.
    发明授权
    Parison length control method for blow molding machine 失效
    吹塑机型号长度控制方法

    公开(公告)号：US5399302A

    公开(公告)日：1995-03-21

    申请号：US995202

    申请日：1992-12-22

    申请人： Tokuji Noguchi ,  Masashi Yano ,  Masayuki Akimoto ,  Mitsuo Yamanoi ,  Minoru Ohizumi

    发明人： Tokuji Noguchi ,  Masashi Yano ,  Masayuki Akimoto ,  Mitsuo Yamanoi ,  Minoru Ohizumi

    IPC分类号： B29C49/04 ,  B29C49/70 ,  B29C49/78 ,  B29C49/80 ,  G05D5/03

    CPC分类号： G05D5/03 ,  B29C49/70 ,  B29C49/78 ,  B29C49/80 ,  B29C49/04

    摘要： A parison length control method for a blow molding machine in which a parison is extruded vertically, the end of the parison is closed, and a blowing gas is blown into the closed parison. The method includes the step of deriving a relationship between parison length and extruder screw rotation speed during a test molding process. Current parison length is then detected during normal molding operation, and the difference between the current parison length and a target parison length is derived. The extruder screw rotation speed is then controlled by calculating a correction amount for the extruder screw rotation speed based on the parison length difference in combination with the relationship between parison length and extruder screw rotation speed. The extruder screw rotation speed is then adjusted by the correction amount so as to attain the target parison length.

    摘要翻译： 一种用于吹塑机的型坯长度控制方法，其中型坯被垂直挤出，型坯的端部被关闭，并且吹送气体被吹入密闭型坯中。 该方法包括在测试成型过程中得出型坯长度与挤出机螺杆旋转速度之间的关系的步骤。 然后在正常模制操作期间检测当前型坯长度，并导出当前型坯长度和目标型坯长度之间的差异。 然后通过根据型坯长度差与型坯长度和挤出机螺杆旋转速度的关系计算挤出机螺杆转速的校正量来控制挤出机螺杆转速。 然后通过校正量调节挤出机螺杆转速，以获得目标型坯长度。