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    • 4. 发明申请
    • SYSTEM FOR PRODUCING INFLATED WEBS
    • 生产膨胀网的系统
    • WO2017132354A1
    • 2017-08-03
    • PCT/US2017/015100
    • 2017-01-26
    • SEALED AIR CORPORATION (US)
    • SPERRY, Laurence, B.MURCH, Brian, A.
    • B29C65/22B29D22/02B31D5/00
    • B29C66/439B29C65/222B29C65/224B29C65/228B29C66/1122B29C66/71B29C66/723B29C66/73921B29C66/8122B29C66/81431B29C66/81433B29C66/83413B29C66/83415B29C66/83417B29C66/872B29C66/9672B29D22/02B31D5/0073B31D2205/0023B31D2205/0088B65H20/02B65H49/32B65H75/245B65H2404/147B65H2701/132B65H2701/1752B65H2801/69B29K2023/06B29K2023/08B29K2023/12B29K2023/0633B29K2023/065B29K2023/083B29K2023/0625B29K2023/0616B29K2023/14B29K2067/00B29K2025/06B29K2077/00B29K2069/00B29K2879/08B29K2905/02B29K2905/00B29K2909/02
    • A system for active alignment of an inflatable web with respect to an inflation nozzle as the web is dispensed from a roll for serial inflation by the inflation nozzle, the inflatable web including top and bottom sheets sealed together by transverse seals to define a series of inflatable chambers having an opening between the terminal ends of the transverse seals and proximate a longitudinal edge of the web for receiving inflation fluid from the nozzle, the system comprising: a spool adapted to support the roll so that the roll rotates about the spool as the inflatable web is withdrawn from the roll; an actuator arranged to adjust the position of the roll along the length of the spool; an inflation nozzle adapted to provide inflation fluid into the openings of the inflatable chambers as the web travels along a path of travel past the inflation nozzle; a tracking sensor comprising: a sensor arm pivotally mounted at a pivot point at a given location relative the inflation nozzle, the sensor arm having a contact portion, the sensor arm adapted to pivot on the pivot point as the terminal ends of the transverse seals of the web contact the contact portion of the sensor arm; and an analogue sensor adapted to detect the movement of the sensor arm and to generate an analogue signal varying in relation to the movement of the sensor arm; and a controller operative to receive the analogue signal and based on the analogue signal to send output to the actuator to adjust the position of the roll on the spool to maintain the transverse position of the web within a predetermined range.
    • 一种用于当卷筒纸从卷筒分配以便由充气喷嘴进行连续充气时相对于充气喷嘴主动对准可充气卷筒的系统,所述可充气卷筒包括由顶部片和底部片密封在一起的 横向密封件以限定一系列可充气腔室,所述一系列可充气腔室在所述横向密封件的终端之间并且在所述腹板的纵向边缘附近具有用于从所述喷嘴接收膨胀流体的开口,所述系统包括:适于支撑所述滚筒的卷轴, 当可充气网状物从卷中抽出时,卷绕卷筒旋转; 致动器,其布置成沿卷轴的长度调整卷的位置; 膨胀喷嘴,其适于当所述幅沿着经过所述膨胀喷嘴的行进路径行进时将膨胀流体提供到所述可膨胀室的所述开口中; 跟踪传感器,其包括:传感器臂,所述传感器臂可枢转地安装在相对于所述充气喷嘴的给定位置处的枢轴点处,所述传感器臂具有接触部分,所述传感器臂适于在所述横向密封件的末端 网接触传感器臂的接触部分; 以及模拟传感器,其适于检测传感器臂的移动并且产生相对于传感器臂的移动而变化的模拟信号; 以及控制器,其操作用于接收模拟信号并且基于模拟信号将输出发送到致动器以调节卷轴在卷轴上的位置以将卷材的横向位置保持在预定范围内。