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公开(公告)号：US4317322A
公开(公告)日：1982-03-02
申请号：US151699
申请日：1980-05-20
CPC分类号： B65B11/008
摘要： The invention comprises a novel apparatus and process for making unitary packages. In the apparatus, a series of loads are fed into a wrapping apparatus onto a wrapping conveying assembly comprised of a plurality of conveyors. The film is wrapped around the load and the conveyor assembly with the load being carried off by the top portion of one conveyor and the wrap being carried off the bottom portion of another conveyor so that the load and wrap are carried off at the same speed onto a take-off conveyor. The stretched film web can be severed by a cutting mechanism positioned adjacent the dispensing means in the banding, full web or spiral modes of operation. In a continuous bundling mode, the wrapped bundle can be transported downstream to a cutting area where the loads are severed into individual packages which are carried off to a stacking or processing station.
摘要翻译： 本发明包括一种用于制造单一包装的新颖的装置和方法。 在该设备中，一系列负载被馈送到由多个输送机组成的包装输送组件上的包装设备中。 薄膜被卷绕在负载和输送机组件上，负载被一个输送机的顶部部分所带走，并且包裹物从另一个输送机的底部被带走，使得负载和包裹物以相同的速度被运送到 起飞输送机 拉伸的薄膜网可以通过以分段，全网或螺旋操作模式定位在分配装置附近的切割机构切断。 在连续捆扎模式中，包裹的捆可以向下游传送到切割区域，在这些切割区域，负载被切割成单独的包装，这些包装被运送到堆叠或加工站。
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公开(公告)号：US4302920A
公开(公告)日：1981-12-01
申请号：US96384
申请日：1979-11-21
CPC分类号： B65B11/006 , B65B11/045
摘要： A process and apparatus for applying stretchable plastic film to loads for containment of the loads using two connected rollers driven by the film web so that the rollers are driven at different speeds to elongate the plastic film beyond its yield point and wrapping the elongated film after it has been stretched past its yield point around a rotating load. A roller can be added to the apparatus to increase the set time for the elongated film after it is stretched by the connected rollers. In addition, a web narrowing device may be placed upstream or downstream from the apparatus to reduce the hazard of edge tear under high elongation forces.
摘要翻译： 一种用于使用由薄膜腹板驱动的两个连接的辊将负载拉伸的负载施加到可承载的载荷上的方法和装置，使得辊以不同的速度被驱动以将塑料薄膜延伸超过其屈服点并且在其之后包裹细长薄膜 已经绕旋转载荷的屈服点伸长。 可以在设备上添加一个辊子，以便在被连接的辊子拉伸之后增加细长膜片的设定时间。 此外，可以将卷材变窄装置放置在装置的上游或下游，以减少在高伸长力下边缘撕裂的危险。
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