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1. 发明授权

US4514955A Feedback controlled stretch wrapping apparatus and process 失效
标题翻译：反馈控制拉伸包装设备和工艺
公开(公告)号：US4514955A
公开(公告)日：1985-05-07
申请号：US250926
申请日：1981-04-06
申请人： Curtis A. Mouser , Mark G. Roberts , Daniel R. Haas , Patrick R. Lancaster, III
发明人： Curtis A. Mouser , Mark G. Roberts , Daniel R. Haas , Patrick R. Lancaster, III
IPC分类号： B65B11/04 , B65B11/02 , B65B57/04
CPC分类号： B65B11/045
摘要： A stretch wrapping system including apparatus and process is disclosed in which rotation of a non-cylindrical or off-centered load draws film web at a continually fluctuating speed from a film roll through a prestretching device to wrap the load. The prestretching device includes an upstream roller coupled to a braking device and a downstream roller coupled to a positive torque device. The speed of the downstream roller is proportional to the take-up speed of the web on the load and the feedback device continually senses the speed of both rollers and adjusts the braking device so that the speed ratio of the rollers produces a constant stretch of the film web above its yield point. The feedback device also continually senses the forces contributed by the braking device and the torque device and continually adjusts the torque device so that the force on the web between the downstream roller and the load is held constant at a level below the yield point of the web. The feedback device may be connected to display systems to display the amount of web stretch, the web force to the load, and the amount of film web consumed in a wrapping operation.
摘要翻译：公开了一种包括装置和方法的拉伸包裹系统，其中非圆柱形或偏心载荷的旋转以连续波动速度从薄膜卷通过预拉伸装置牵引薄膜卷以包裹负载。预拉伸装置包括联接到制动装置的上游辊和联接到正扭矩装置的下游辊。下游辊的速度与卷材在负载上的卷取速度成比例，并且反馈装置连续地感测两个辊的速度并调节制动装置，使得辊的速比产生恒定的拉伸电影网络超过其屈服点。反馈装置还连续地感测由制动装置和扭矩装置贡献的力并连续地调节扭矩装置，使得下游辊和负载之间的幅材上的力保持恒定在低于幅材的屈服点的水平。反馈装置可以连接到显示系统以显示幅材拉伸的量，对负载的纤维网力量以及在卷绕操作中消耗的胶卷的量。

2. 发明授权

US4503658A Feedback controlled stretch wrapping apparatus and process 失效
标题翻译：反馈控制拉伸包装设备和工艺
公开(公告)号：US4503658A
公开(公告)日：1985-03-12
申请号：US479360
申请日：1983-03-28
申请人： Curtis A. Mouser , Mark G. Roberts , Daniel R. Haas , Patrick R. Lancaster, III
发明人： Curtis A. Mouser , Mark G. Roberts , Daniel R. Haas , Patrick R. Lancaster, III
IPC分类号： B65B11/04 , B65B11/02 , B65B57/04
CPC分类号： B29C55/06 , B65B11/045
摘要： A stretch wrapping system including apparatus and process is disclosed in which rotation of a noncylindrical or off-centered load draws film web at a continually fluctuating speed from a film roll through a prestretching device to wrap the load. The prestretching device includes an upstream roller coupled to a braking device and a downstream roller coupled to a positive torque device. The speed of the downstream roller is proportional to the take-up speed of the web on the load and the feedback device continually senses the speed of both rollers and adjusts the braking device so that the speed ratio of the rollers produces a constant stretch of the film web above its yield point. The feedback device also continually senses the forces contributed by the braking device and the torque device and continually adjusts the torque device so that the force on the web between the downstream roller and the load is held constant at a level below the yield point of the web. The feedback device may be connected to display systems to display the amount of web stretch, the web force to the load, and the amount of film web consumed in a wrapping operation.
摘要翻译：公开了一种包括装置和方法的拉伸包裹系统，其中非圆柱形或偏心载荷的旋转以连续波动的速度从胶片卷通过预拉伸装置牵引薄膜卷以包裹载荷。预拉伸装置包括联接到制动装置的上游辊和联接到正扭矩装置的下游辊。下游辊的速度与卷材在负载上的卷取速度成比例，并且反馈装置连续地感测两个辊的速度并调节制动装置，使得辊的速比产生恒定的拉伸电影网络超过其屈服点。反馈装置还连续地感测由制动装置和扭矩装置贡献的力并连续地调节扭矩装置，使得下游辊和负载之间的幅材上的力保持恒定在低于幅材的屈服点的水平。反馈装置可以连接到显示系统以显示幅材拉伸的量，对负载的纤维网力量以及在卷绕操作中消耗的胶卷的量。

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